37 results on '"Towers, Wayne"'
Search Results
2. Relief Pitching and the San Diego Padres: A Half-Century of Excellence
- Author
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Towers, Wayne M.
- Subjects
Professional baseball ,Pitchers (Baseball) ,Museums -- Achievements and awards ,History ,Sports and fitness ,San Diego Padres - Abstract
While the San Diego Padres experienced only two World Series in the half-century after their 1969 founding, they did have a long and storied history of relief pitching: three Hall [...]
- Published
- 2019
3. Attitudes Vs. Cognitions: Explaining Long-Term Watergate Effects.
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Becker, Lee B. and Towers, Wayne M.
- Abstract
The political scandals known as Watergate provided an unusual opportunity to study the importance of attitudinal and cognitive variables in media research. In order to assess the impact of Watergate during the months preceding the 1974 Congressional elections, 339 personal interviews were conducted during October with a probability sample of registered voters living in Syracuse, New York. Interviews focused on attitudinal reactions to Watergate, level of information about the scandal, and the voting behaviors and decisions regarding the state gubernatorial, U.S. Senatorial, and local Congressional elections. The long-term effects of Watergate were assessed in terms of changes in party affiliation, voter choice, changes in political interest, changes in political activity, and turnout. Results show interesting patterns of media effects on the two types of variables, with attitudinal variables affecting political decisions and activity. For cognitive variables, the evidence of continual impact is less convincing. Tables of findings are included. (JM)
- Published
- 1976
4. Common Variants and Haplotypes in the TF, TNF-α, and TMPRSS6 Genes Are Associated with Iron Status in a Female Black South African Population1-3
- Author
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Gichohi-Wainaina, Wanjiku N, Melse-Boonstra, Alida, Swinkels, Dorine W, Zimmermann, Michael B, Feskens, Edith J, and Towers, Wayne G
- Published
- 2015
- Full Text
- View/download PDF
5. An optimistic vision for biosciences in South Africa: reply to Thaldar et al. (2019)
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12686417 - Towers, Gordon Wayne, Pepper, Michael S., Towers, Wayne, Dandara, Collet, De Vries, Jantina, Dhai, Amaboo, 12686417 - Towers, Gordon Wayne, Pepper, Michael S., Towers, Wayne, Dandara, Collet, De Vries, Jantina, and Dhai, Amaboo
- Abstract
Our reply to Thaldar et al.’s1 response to the ASSAf report2 on human genetics and genomics focuses on two elements of the Report which they highlight, namely ubuntu and sovereignty. The lack of engagement with other issues raised by Thaldar et al. does not acknowledge agreement with those views
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- 2019
6. An optimistic vision for biosciences in South Africa: Reply to Thaldar et al. (2019)
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Pepper, Michael S., primary, Dandara, Collet, additional, De Vries, Jantina, additional, Dhai, Amaboo, additional, Labuschaigne, Melodie, additional, Mnyongani, Freddy, additional, Moodley, Keymanthri, additional, Olckers, Antonel, additional, Pope, Anne, additional, Ramesar, Raj, additional, Ramsay, Michèle, additional, and Towers, Wayne, additional
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- 2019
- Full Text
- View/download PDF
7. Explaining Magazine Readership with Uses-and-Gratifications Research.
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Towers, Wayne M. and Hartung, Barbara W.
- Abstract
Approximately 500 people participated in a study that examined the relationship between generalized uses-and-gratifications statements and specific magazine reading behaviors. The subjects responded to a telephone survey that elicited information concerning demographics, media usage, and reactions to 14 uses-and-gratifications statements that had received widespread use in the print media studies prior to 1981. The statements were organized into three broad categories concerned with surveillance of, diversion from, and interaction with the surrounding environment. Results showed that the statements distinguished between people who had read a magazine during the previous month and those who had not, with the former using magazines to help them interact with the larger social environment and the latter producing unspecific explanations of their behavior. The statements also proved useful in distinguishing among subscribers, readers, and nonreaders of general consumer magazines and newsmagazines. In terms of overall magazine readership, interaction with the larger environment was the strongest predictor, even though it emerged as secondary to surveillance for newsmagazine readers and to diversion for general consumer magazine readers. (FL)
- Published
- 1983
8. U.S. Government Programs for Training African Broadcasters, 1961-1971.
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Towers, Wayne M.
- Abstract
This paper describes and discusses U.S. Government programs for training African broadcasters from 1961 to 1971. The three approaches involved in the system of broadcaster exchange are examined. The first approach involved the federal government. Through the Department of State and the Agency for International Development, the United States government provided large portions of the funds available for the exchange of persons between the United States and Africa. The second approach of the exchange system involved private foundations like the Governmental Affairs Institute and the African-American Institute, which received governmental allocations under contract to develop appropriate programs for broadcaster exchanges. These groups were organized and operated independently of the government. The third approach was the activities of the privately-financed organizations in the area of personal exchange. These organizations ranged from the nonprofit Ford Foundation and the commercial National Broadcasting Corporation (International) to religious organizations operating local training programs. These three approaches provided the basic structure through which many African broadcasters received either initial or developmental training. (TS)
- Published
- 1976
9. 'Gee Whiz!' and 'Aw Nuts!': Radio and Newspaper Coverage of Baseball in the 1920's.
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Towers, Wayne M.
- Abstract
During the 1920s professional baseball emerged as both a mass sport and a mass media-reported sport. This emergence was accompanied by evolution and change in both radio broadcasting and newspaper sports writing. Live coverage of sporting events, particularly baseball's World Series, provided a part of radio's growth process that affected the fledgling medium's development. Essentially, radio, when confronted with the decision of imitating the reporting styles of newspapers, opted for an entertainment rather than a newsreporting point-of-view. One of the first baseball announcers was Graham McNamee, whose background was in entertainment. Radio provided an immediate description of the game, while newspapers provided a delayed but more concise summary. Sports were a popular feature of newspapers in the 1920s also, and newspaper circulation and advertising revenues increased during this period. Sports writers tended to write lengthy commentaries with literary allusions. They are represented by Grantland Rice who wrote in the early part of the decade using a "Gee Whiz" or praise approach and W.O. McGeehan who wrote later in the decade using a more realistic and objective approach, termed "Aw Nuts." (MKM)
- Published
- 1979
10. Measuring Issue Agendas in Agenda-Setting Research.
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Towers, Wayne M.
- Abstract
Using a sample from a homogeneous population, a study was conducted to examine the distinction between intrapersonal and interpersonal issue agendas, and the use of open-ended questions, paried comparisons, and semantic differentials to measure respondent agendas. The study found measurable differences between intrapersonal and interpersonal issue agendas on both the individual and aggregate levels. The three measurement techniques were found to produce consistent interpersonal agendas, but a lack of consistency across the three measures for intrapersonal agendas indicated that choice of technique could affect the measurement of issue agendas. (Author)
- Published
- 1979
11. Newspaper Research and Some Uses-and-Gratifications.
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Towers, Wayne M.
- Abstract
A study collected data from 763 door-to-door interviews to test hypotheses about the uses and gratifications associated with newspaper readerships. In the interviews, respondents were identified demographically, asked about their newspaper reading behaviors, and asked to reply to a series of uses and gratifications statements on why they read newspapers: (1) to keep up on the latest events (information/intrapersonal), (2) to be entertained (entertainment/intrapersonal), (3) to give me something to talk about with other people (information/interpersonal), and (4) to show or read items to other people so that they can enjoy them (entertainment/interpersonal). Overall, results showed that everyday readership was related to an information orientation, particularly information for self-use, and this orientation was weakest in the 18-29 age group. Further, regardless of age, the readership pattern of more than one newspaper per day was strongly related toward an entertainment orientation, particularly entertainment for self, while reading only a suburban newspaper was oriented away from self-entertainment. The results indicated that the informational orientation of newspapers would help maintain readership, but that declining orientation toward using newspapers for entertainment could be a source of erosion for newspaper readership. (RL)
- Published
- 1982
12. Empirical Support for Some Major Supreme Court Decisions on Free Press/Fair Trial Conflicts.
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Towers, Wayne M.
- Abstract
The free press/fair trial controversy hinges on two distinctions: "decorum" (the general manner in which a trial is comported) vs. "substance" (the actual content of information relating to a trial, including both evidentiary and nonevidentiary information), and behavior within vs. behavior outside of the courtroom. Four major Supreme Court decisions provide evidence of that court's interpretations of those distinguishable terms, and preface a discussion of the court's "Nebraska Press Association et al., v. Stuart" decision. The resulting discussion reaffirms the paradox of maintaining the status quo; news media cannot be given full access to the courtroom because they are disruptive, but news media cannot be denied access because they are indispensable. (RL)
- Published
- 1977
13. Magazine Readership and Some Uses and Gratifications: A Replicated Approach.
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Towers, Wayne M. and Hartung, Barbara W.
- Abstract
Since the concepts of surveillance (international information and keeping up with the job that the government is doing), diversion (being entertained and killing time), and interaction (people learning more about themselves) have been developed for newspaper and television but not necessarily for magazines, a study applied 14 uses-and-gratifications statements concerning these concepts in an initial telephone sample of 543 adults in a western urban area and a replicated telephone sample of 557 adults from the same area. Overall, the findings revealed that magazine readership in general was related to the diversion idea of improving the reader's lifestyle and the interaction concept of getting information to pass on to other people. Reading consumer magazines was specifically related to improving lifestyles, while reading newsmagazines put more emphasis on the interaction of understanding what is going on. Finally, magazine nonreaders were more likely to be oriented toward local information, an area rarely, if ever, covered by the magazine medium. (HOD)
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- 1985
14. Weekday and Sunday Newspaper Readership and Some Uses-And-Gratifications.
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Towers, Wayne M.
- Abstract
Prompted by the lack of use and gratification studies that have concerned themselves with an examination of newspaper-related behaviors such as subscribing versus not subscribing, buying single copies versus not reading at all, and weekday versus Sunday newspaper readership, a study conducted a telephone survey of 543 persons to determine whether the concepts of surveillance, diversion, and interaction could prove useful in explaining such newspaper readership behaviors. Questions were asked concerning demographics, media usage, and reactions to a selection of use and gratification statements. In addition, three idiosyncratic statements were added to permit the emergence of other statement groupings. The data analysis revealed that subscribers who read both weekday and Sunday newspapers tended to have a strong generalized orientation toward surveillance of the environment, while nonreaders tended to view the newspaper as a diversion to pass time. Single copy readers used weekday newspapers as an interaction tool for finding materials to talk about, while Sunday newspaper single copy readers were more oriented toward the surveillance notion of understanding what is going on. The differences in the orientations of single copy readers helped to account for differences between weekday and Sunday circulation for local newspapers. (HOD)
- Published
- 1984
15. A Replication and Reduction Approach to Weekday and Sunday Newspaper Readership and Some Uses and Gratifications.
- Author
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Towers, Wayne M.
- Abstract
In direct replication of a previous study investigating newspaper readership and uses-and-gratifications statements, this study interviewed a parallel random sample from the same market as the initial study using the same questions. A telephone survey of 557 adults was conducted by trained undergraduates enrolled in an advanced research methods class, and each completed interview was verified through a second telephone call from different students in another course. Results suggested that newspaper subscribers were concerned with getting immediate knowledge of big news events from both weekday and Sunday papers, and that nonreaders of Sunday papers tended to regard newspapers as a way to pass time that was occasionally useful if a particular occurrence was of interest to them. Statistical analysis of the original study revealed that three expected explanations of newspapers readers could be reduced to two groups of variables: (1) informational variables that combined surveillance of and participation in the surrounding world, and (2) a grouping that stressed diversion away from that world. Uses-and-gratifications research is not the single perspective that explains newspaper readership. However, the study highlighted the importance of classical replications as a way of evaluating and refining research insights. (Tables include questions asked in interviews and statistical data.) (DF)
- Published
- 1985
16. Some Uses-and-Gratifications of Television News Audiences.
- Author
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Towers, Wayne M.
- Abstract
Fourteen statements relating to the surveillance, diversion, and social interaction uses of media were drawn from a review of uses and gratification research and applied to the viewing of local and national early evening news and nighttime local news television programs. A telephone survey of 543 adults elicited information concerning demographics and media usage, as well as reactions to the uses and gratifications statements. Overall, the results showed that the three types of newscasts served different purposes and that some of these differences were detectable through the uses and gratifications research perspective. Specifically, the findings showed that watching both local and national early evening news programs was related to surveillance of the environment while watching television in general was related to diversion from that environment. Watching local early evening news was also found to be related to diversion and acquiring materials for personal discussions, while watching early evening national news was more related to interaction with the larger social environment. Late night news was used primarily by viewers as a means of gathering information for social interaction or as a substitute for human companionship. (FL)
- Published
- 1984
17. Replicating 'Perceived Helpfulness of Radio News and Some Uses and Gratifications.'
- Author
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Towers, Wayne M.
- Abstract
A followup study investigated radio listenership as ritualistic behavior, based on an initial study using the same set of questions. The hypothesis tested was that gratifications statements related to radio usage would produce similar and stable patterns, reflecting highly ritualistic orientations toward the medium. Subjects, 557 adults in a large urban area of the Western United States, were randomly surveyed by telephone and asked about demographics, media usage, and reactions to a selection of 14 uses and gratifications statements about radio. Replies were coded on a five-point scale, and results were compared with those of the initial study. Data analysis revealed many consistencies between the two sets of findings. Perceived helpfulness of radio news was most consistent, followed by number of hours of listening in the morning and afternoon. The greatest number of discrepancies involved the amount of attention paid to radio. Based on the second set of findings, radio audiences stressed entertainment in the morning, whereas local news was accented during the afternoon. Positive orientations toward radio news were based on its immediacy. In terms of radio as ritual, it could be acknowledged that listening regularity is symptomatic of ritual but not necessarily ritualistic. (References and tables of data are included.) (NKA)
- Published
- 1987
18. Adult Readership of Magazines and Why They Read.
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Towers, Wayne M.
- Abstract
A study tested the applicability of gratifications research to magazines. Telephone surveys with 543 adults in a large western urban area ascertained their media usages and their agreement with 14 gratifications statements drawn from morphostatic research into the surveillance-diversion-personal identity triad in relation to newspaper and radio. Analyses determined if the expected three dimensions were present for magazines, and if expectancies regarding magazines could be related to magazine readership. Diversion was found to be a common response across media, while surveillance and interaction depended upon the medium under consideration. To evaluate these insights and to test magazines' potential for morphogenetic approaches, magazine readership behaviors were examined. Results indicated that magazines, even newsmagazines, were measurably different from newspapers in terms of media gratifications. The pattern for general circulation magazines was also different from that of newspapers and newsmagazines. Findings indicated that all three gratifications research perspectives had been partly correct. Morphostatic research, cross-media comparisons, and morphogenetic approaches were all supported. (HTH)
- Published
- 1987
19. ASSAf consensus study on the ethical, legal and social implications of genetics and genomics in South Africa
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Pepper, Michael S., primary, Dandara, Collet, additional, De Vries, Jantina, additional, Dhai, Amaboo, additional, Labuschaigne, Melodie, additional, Mnyongani, Freddy, additional, Moodley, Keymanthri, additional, Olckers, Antonel, additional, Pope, Anne, additional, Ramesar, Raj, additional, Ramsay, Michele, additional, Soodyall, Himla, additional, and Towers, Wayne, additional
- Published
- 2018
- Full Text
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20. TELEVISION DOCUDRAMA AND POLITICAL CYNICISM: A STUDY OF WASHINGTON: BEHIND CLOSED DOORS
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KAID, Lynda Lee, TOWERS, Wayne M., and MYERS, Sandra L.
- Published
- 1981
21. Associations between common variants in iron-related genes with haematological traits in populations of African ancestry
- Author
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Gichohi-Wainaina, W.N., Tanaka, T., Towers, Wayne, Verhoef, J.C.M., Veenemans, J., Talsma, E.F., Harryvan, J.L., Boekschoten, M.V., Feskens, E.J.M., Melse-Boonstra, A., Gichohi-Wainaina, W.N., Tanaka, T., Towers, Wayne, Verhoef, J.C.M., Veenemans, J., Talsma, E.F., Harryvan, J.L., Boekschoten, M.V., Feskens, E.J.M., and Melse-Boonstra, A.
- Abstract
BackgroundLarge genome-wide association (GWA) studies of European ancestry individuals have identified multiple genetic variants influencing iron status. Studies on the generalizability of these associations to African ancestry populations have been limited. These studies are important given interethnic differences in iron status and the disproportionate burden of iron deficiency among African ancestry populations.MethodsWe tested the associations of 20 previously identified iron status-associated single nucleotide polymorphisms (SNPs) in 628 Kenyans, 609 Tanzanians, 608 South Africans and 228 African Americans. In each study, we examined the associations present between 20 SNPs with ferritin and haemoglobin, adjusting for age, sex and CRP levels.ResultsIn the meta analysis including all 4 African ancestry cohorts, we replicated previously reported associations with lowered haemoglobin concentrations for rs2413450 (β = -0.19, P = 0.02) and rs4820268 (β = -0.16, P = 0.04) in TMPRSS6. An association with increased ferritin concentrations was also confirmed for rs1867504 in TF (β = 1.04, P = <0.0001) in the meta analysis including the African cohorts only.ConclusionsIn all meta analyses, we only replicated 4 of the 20 single nucleotide polymorphisms reported to be associated with iron status in large GWA studies of European ancestry individuals. While there is now evidence for the associations of a number of genetic variants with iron status in both European and African ancestry populations, the considerable lack of concordance highlights the importance of continued ancestry-specific studies to elucidate the genetic underpinnings of iron status in ethnically diverse populations.
- Published
- 2016
22. EMPIRICAL RESEARCH AND SOME MAJOR SUPREME COURT DECISIONS ON FREE PRESS/FAIR TRIAL CONFLICTS.
- Author
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Towers, Wayne N.
- Subjects
EMPIRICAL research ,PRE-trial procedure ,FREE press & fair trial ,PRESS associations ,PREJUDICES - Abstract
The article discusses an empirical research and major decisions made by the U.S. Supreme Court on four cases concerning free press and fair trial conflicts. The case between Nebraska Press Association and Stuart demonstrated empirical support on the possibility of dangers caused by pretrial publicity. The case between Dickinson and the U.S. concerns the prejudice of the U.S. First Amendment freedoms. Moreover, the research found, based form the cases, that trial experience reduce pretrial prejudice.
- Published
- 1978
23. Media Advertising Credibility.
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Becker, Lee B., Martino, Raymond A., and Towers, Wayne M.
- Subjects
ADVERTISING ,TELEVISION viewers ,MASS media ,MASS media criticism ,MARKET penetration ,AUDIENCES - Abstract
Focuses on the analysis of data on media advertising credibility. Consideration of television as the most believed source of all levels of education; Audiences' perceptions of the believability of various media as advertising conduits; Role of education in understanding media credibility.
- Published
- 1976
- Full Text
- View/download PDF
24. LAZARSFELD AND ADORNO IN THE UNITED STATES: A CASE STUDY IN THEORETICAL ORIENTATIONS.
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TOWERS, WAYNE M.
- Subjects
THEORY of knowledge ,QUANTITATIVE research - Abstract
During the years 1938 to 1941, two European scholars of differing viewpoints--Paul Lazarsfeld and Theodor Adorno--worked for the Office of Radio Research in the United States of America. The inability of these two scholars to reconcile their fundamental theoretical differences precluded their ability to work together. Lazarsfeld's essentially quantitative orientation toward theory-building and Adorno's essentially philosophical (critical) orientation toward theory-building, and details concerning the nature of these fundamental theoretical differences, are examined. The paper recapitulates Lazarsfeld's often reproduced statements on quantitative theory-building and, taking advantage of translations only recently available to U.S. scholars, provides a summary of much of Adorno's thought on the philosophical (critical) orientation toward theory-building. The disagreement between Lazarsfeld and Adorno is seen not as a scholarly squabble, but as a fundamental theoretical dispute about the nature of the world. [ABSTRACT FROM AUTHOR]
- Published
- 1977
25. RADIO LISTENERSHIP AND USES AND GRATIFICATIONS: A REPLICATION.
- Author
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Towers, Wayne M.
- Subjects
RADIO audiences ,RADIO broadcasting -- Social aspects ,INTERPERSONAL communication ,INTERPERSONAL relations ,COMMUNICATIONS research ,COMMUNICATION ,SOCIOLOGY - Abstract
To examine radio listenership as ritualistic behavior, a parallel random sample from the same area as an initial study was interviewed using the same questions. Statistical re-examination of the original study's results using the second sample affirmed that gratifications could be reduced to two stable dimensions of information and entertainment. Re-analysis also found that radio still relied on entertainment and immediate news, but that localness of that news also was important. This stability argued that radio listenership was likely to be highly ritualistic in nature. [ABSTRACT FROM AUTHOR]
- Published
- 1987
- Full Text
- View/download PDF
26. PERCEIVED HELPFULNESS OF RADIO NEWS AND SOME USES-AND-GRATTFICATIONS.
- Author
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Towers, Wayne
- Subjects
RADIO journalism ,RADIO stations ,RADIO broadcasting ,SELF-control ,CITIES & towns ,MASS media ,MASS media & society ,MASS media audiences - Abstract
In a telephone sample of 543 adults in a Western urban area, fourteen uses-and-gratifications statements found two underlying dimensions in terms of radio: a combination of surveillance and interaction with the environment, and a separate dimension of diversion from the environment. When the statements were applied to specific listening behaviors, radio emerged as a medium distinct from print and television, emphasizing entertainment but drawing its strength from the immediacy of its news. [ABSTRACT FROM AUTHOR]
- Published
- 1985
- Full Text
- View/download PDF
27. Uses and Gratifications of Magazine Readers: A Cross-Media Comparison.
- Author
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Towers, Wayne M.
- Subjects
REWARD (Psychology) ,IDENTITY (Psychology) ,READERSHIP ,MASS media influence ,EROTICA ,READING interests - Abstract
The article presents findings of the research on the cross-media comparison on themes on media gratification. It mentions that the structural research of the study fits within three broad groupings which include personal identity, while the dynamic approach stresses on individual-media interaction through discrepancies between gratifications sought (GS). It is inferred that refinements of magazine topics such as erotica would contribute to one's understanding of gratifications related to media.
- Published
- 1986
28. The Fans Speak Out.
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Stark, Lenny, Bilek, Greg, Kelly, Colin, White, L. E., Munster, Nick, Miller, Kevin, Cirillo, Robert J., Brick, Richard, Rexford, Charles M., Maclay, Jean Donnelly, Cotrone, Dave, McLeod, James G., Davis, Jim, Summa, Kellee, Liddil, Corey, Soderman, James, Beirne, Gerald, Quinn, James, Anderson, Larry, and Towers, Wayne
- Subjects
BASEBALL ,BASEBALL playoffs - Abstract
The article presents questions and answers related to baseball in the U.S., including why Red Sox second baseman Dustin Pedroia did not play the last game in the 2008 season, is there any major league game that a baseman did not have putouts, and information concerning Philadelphia Athletics player Tilly Walker.
- Published
- 2009
29. The Fans Speak Out.
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Towers, Wayne, Sanders, Dave, Williams, Ralph, Adams, Robert, Pudge, Al, Savoy, Raymond, Roegner, David, Kuhn, T. J., Corradi, Lou, Finkbeiner, Chuck, Heckman, Sylvester A., Quinn, James, Lulis, Al, Funicello, Paul, Shenk, Max, Galus, Andy, Wright, Betsy, Smyle, Bernard A., Harrison, Bill, and Hills, Brian
- Subjects
LETTERS to the editor ,BASEBALL teams ,BASEBALL players ,BASEBALL tournaments - Abstract
Several letters to the editor are presented in response to articles in previous issues including the article on baseball player Richard Gossage in the March/April 2008 issue, Roger Kahn's book "The Boys of Summer," and the year Cal Ripken of baseball team Baltimore Orioles ended his consecutive-game playing streak.
- Published
- 2008
30. Media Advertising Credibility
- Author
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Becker, Lee, Martino, Raymond, and Towers, Wayne
- Abstract
Analysis of data from 15 community newspaper studies finds newspaper is the most credible advertising medium.
- Published
- 1976
- Full Text
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31. Replication of a Study on Uses and Gratifications for Weekday and Sunday Readers
- Author
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Towers, Wayne M.
- Abstract
To replicate a study of a newpaper readership and uses and gratifications statements, a parallel random sample from the same market was interviewed using the same questions. Statistical analysis of the original study's insights indicated that the expected three descriptive explanations could be reduced to two groupings: informational variables including surveillance and interaction, and entertainment variables that emphasized diversion. In terms of readership, the study affirmed the importance of subcriber opinions that newspapers give them sufficiently immediate knowledge of big news events.
- Published
- 1986
- Full Text
- View/download PDF
32. Weekday and Sunday Readership Seen through Uses and Gratifications
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Towers, Wayne M.
- Published
- 1985
- Full Text
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33. Lazarsfeld and Adorno in the United States: A Case Study in Theoretical Orientations
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Towers, Wayne M., primary
- Published
- 1977
- Full Text
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34. Professional: Journalist (Book).
- Author
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Towers, Wayne M.
- Subjects
INTERNATIONAL communication - Abstract
Reviews the book "Professional: Journalist," by G. Bohere.
- Published
- 1985
35. Mitochondrial DNA consensus sequence for the Tswana population of South Africa
- Author
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Babst, Scheán, Olckers, Antonel, Towers, Wayne, and 12686417 - Towers, Gordon Wayne (Supervisor)
- Abstract
Thesis (PhD (Biochemistry))--North-West University, Potchefstroom Campus, 2013 Evolutionary studies are critical in eliciting the fundamental phylogeny within and among populations of living organisms. Genetic diversity is displayed in human mitochondrial DNA (mtDNA) as haplogroups that consist of shared mutations, which are carried to the following generation through the maternal lineage. The current haplogroup hierarchies commonly used to describe and compare the genetic diversity of global human populations are based on the available mtDNA sequence variation datasets of numerous continent-specific populations. The description of mtDNA variation in human populations is furthermore of importance, as it allows the identification of population-specific genetic variation that has an effect on gene function, as well as on adaptation and susceptibility to disease. Owing to the limited amount of available mtDNA variation data from the numerous African populations currently residing in Africa, a lack of genetic diversity data exists for the determination of a sufficient baseline standard sequence representing the genetic variation present in African populations and thus also for a representative African haplogroup hierarchy. In this study, the mtDNA variation of 50 Tswana-speaking individuals from South Africa was determined and a novel Tswana consensus sequence was constructed to contribute to the urgent need for information of the mtDNA variation present in African populations. The consensus mtDNA sequence variation data obtained through this analysis should be regarded as a baseline for the observed sequence variance and genetic diversity of the maternal ancestral genetic pool of a Bantu-speaking population of South Africa. This study therefore contributes novel information regarding the mitochondrial genetic diversity of a South African Tswana-speaking population to the current body of literature. The results of this study provide strong evidence to support the ancient nature of African haplogroups and also provide evidence in support of the presence of Khoi-San maternal ancestry in the origins of the current Bantu-speaking populations of southern Africa. In addition, the observed sequence variation contributes to the current haplogroup hierarchy of African lineages and provides information in support of the previously reported distinct phylogenetic relationship between individuals of African and non-African origin, thereby explaining the high level of genetic diversity among and between African populations. Doctoral
- Published
- 2012
36. Evaluation of specific genotypes in the context of the type 2 diabetes risk phenotype in the black South African population
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Kotzé, Hester Johanna, Olckers, Antonel, Towers, Wayne, and 12686417 - Towers, Gordon Wayne (Supervisor)
- Subjects
endocrine system diseases ,nutritional and metabolic diseases - Abstract
Thesis (Ph.D. (Biochemistry))--North-West University, Potchefstroom Campus, 2010. Type 2 diabetes (T2D) is a complex disease that affects 4% of the general population and is expected to increase to 5.4% by the year 2025. A clear understanding of the aetiology of T2D susceptibility and pathogenesis will thus have a noticeable impact on global health. The black South African population is currently under increased risk for developing T2D due to the impact of urbanisation. Since the mechanisms of disease risk in this population differ to that of the so-called developed countries, it is necessary that the exact pathogenesis of this disease be elucidated in order to define suitable screening and therapeutic strategies for the black South African population. The purpose of this study was to initiate this process. Four genotypes were investigated, including alterations in the IRS-1, IRS-2, PPAR?2 and calpain 10 genes. This study was therefore the first to evaluate these specific genotypes in the context of the T2D risk phenotype in the black South African population, aiming towards a novel and population specific contribution towards current T2D research. The results of this study indicated that none of the screened genotypes were significant predictors of impaired glucose in the black South African population. A biphasic glucose curve shape (GCS) was associated with female gender, whereas a monophasic GCS, a high BMI, female gender as well as a high HbA1c level were linked to glucose intolerance. A high HbA1c level proved to be a significant predictor for glucose intolerance, although the four screened loci were not good predictors of the HbA1c level. The study also illustrated that it is not possible to simply adopt T2D screening strategies from those developed in other ethnic groups and that different genetic and environmental risk factors that play a role in the pathophysiology of T2D should be taken into account. The need for optimised and population specific T2D screening strategies is therefore emphasised. By further elucidating the complexities of T2D, a step towards providing more accurate screening strategies to the immediate population will be achieved. This will directly result in a significant decrease in the national burden of care, morbidity and mortality, paving the way to optimal health care strategies for this developing country. Doctoral
- Published
- 2010
37. International benchmarking of quality management in forensic science drug laboratories
- Author
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Venter, Casper Henderik, Olckers, Antonel, Towers, Wayne, and 12686417 - Towers, Gordon Wayne (Supervisor)
- Abstract
Thesis (M.Sc. (Biochemistry))--North-West University, Potchefstroom Campus, 2010. Since the early 1980s, laboratory managers in the field of forensic science were introduced to the first international standards for testing and calibration laboratories. Now almost three decades later every laboratory should have some level of quality management system implemented to assure the quality of results. With all the quality standards and requirements in the global arena, proper assessment is necessary to ensure that quality standards are harmonised across laboratories. The aim of this study was first to establish the extent of quality standards and recommendations within the forensic drug environment and secondly, the level to which they were implemented in forensic drug laboratories globally. A questionnaire was developed to measure quality variables according to five categories in forensic drug laboratories, namely equipment, personnel, quality assurance and quality control, customer relationship as well as productivity. A total of seventy international drug laboratories participated in the study which consisted of laboratories from the United States of America, Canada, Australia, New Zealand, Belgium, Finland, Netherlands, Switzerland, Taiwan and Israel. To make statistical inferences on the greater population of forensic drug laboratories, all data was converted to proportions. These proportions were compared to international quality standards such as ISO 17025 and ASCLO/LAB. International forensic drug laboratories use similar analytical methodology when analysing drug samples. These techniques comply with ISO standards and can be accepted within any jurisdiction, if operated and maintained correctly. Laboratory managers should however pay more attention to maintenance and procurement plans. All the laboratories appoint qualified scientists and have internal training programs to ensure that technical staff are qualified and competent when performing specialised tasks. More attention should however, be given to mentorship programs to assess and coach new technical staff. The majority of laboratories complied with the technical and managerial ISO requirements on quality control and quality assurance, in spite of a non-standardised sampling scheme. Although laboratories have a good relationship with their customers, staff shortages will lead to extended turn around times which will influence customer satisfaction over time. Furthermore, small drug laboratories, translating to a small staff quotient, were determined to be more productive than larger laboratories. This study ultimately, underscores the fact that an established quality system and an effective laboratory information management system will contribute to higher productivity in a forensic laboratory environment. Masters
- Published
- 2010
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