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To determine the effect of listener's comprehension on speakers' height and weight judgments, a total of 40 speakers, 20 Americans (10 females and 10 males) and 20 non-Americans representing various nationalities (10 females and 10 males), recorded a standard prose passage. A total of three master tapes were constructed to represent the three experimental conditions: (1) American speakers' readings in English, (2) foreign speakers' reading in their native languages, and (3) foreign speakers' readings in English. A total of 30 judges, 15 females and 15 males, participated in three sessions, one for each of the three master tapes, and were asked to provide direct estimations of the height and weight of each speaker from the tapes. Listeners' comprehension does not appear to play a major role in height and weight judgmental tasks.

The purpose of this investigation was to determine the effect of speakers' attempts to disguise their voices on listeners' accuracy in judgments of height and weight. A total of six sentences were recorded by 26 speakers, 13 females and 13 males, under five conditions: in a normal manner (control condition) and in a manner in which they attempted to sound much taller and much shorter, as well as much heavier and much lighter than they actually were. Five master tapes were constructed, a control tape and four disguise tapes. Each tape contained a total of 156 sentences arranged in random order. A total of 40 judges, 20 in the height-estimation experiment and 20 in the weight-estimation experiment, participated in three sessions, one for each of the three master tapes (one control and two disguise tapes) in each experiment. They were asked to judge the height and weight of the speaker of each sentence and, using a seven-point confidence rating scale, to indicate the over-all confidence in their judgments at the end of each session. Although a majority of speakers yielded height and weight estimates consistent with the intended disguise conditions, the differences in listeners' estimates among all conditions were relatively small. Moreover, differences between speakers' actual heights and weights and listeners' height and weight estimates in the normal (control) condition were also relatively small. Implications of these findings and suggestions for future research are discussed.

Correlation coefficients on height, weight, and temporal features were computed separately for 15 female and 15 male speakers. With only one exception, speakers' heights and weights were not significantly correlated with their temporal characteristics. Implications of these findings and suggestions for future research are discussed.

The purpose of this investigation was to determine the relationship among speakers' heights, weights, body surface areas, and speaking fundamental frequencies. The recordings of 30 speakers' readings of a standard prose passage were analyzed by means of the Fundamental Frequency Indicator (FFI) to obtain their speaking fundamental frequency characteristics. The speakers' heights and weights were obtained by means of standard measurement procuedures, and their body surface areas were calculated. Pearson product-moment correlation coefficients, computed separately for men and women, indicated that speakers' heights, weights, and body surface areas were not significantly correlated with their speaking fundamental frequencies; female speakers showed a slight negative correlation while male speakers showed a low, positive trend. Implications of these findings and suggestions for future research are discussed.