Search

This study was conducted to investigate the profile and socio-economy of the Orang Asli Community in Hulu Behrang, Tanjung Malim. A total of 11 Orang Asli villages in Hulu Behrang were involved in this study. The villagers were divided into three categories, the first is near to the main road, medium to develop and the last is outside of the main road or development. The study was conducted using a set of questionnaires and respondents were selected at simple random sampling. The analysis uses percentages and is described descriptively. An amount of 369 questionnaires were answered by the respondents. The findings show that the overall location of Orang Asli villages is complete with basic facilities as they are exposed to the mainstream communities. Only in the aspect of monthly income is still low, more than 70 percent are in the hardcore poverty category with income below RM500 a month.

The study aimed at developing and evaluating a simple green electrochemistry experimental kit named Lectrofun 2.0. Lectrofun 2.0 is an educational kit equipped with a module built with the criteria of user-friendly, costeffective, and laboratory free. The basic concept of electrochemistry was introduced through a guided learning approach via the module. The objectives of this research were to (1) develop Lectrofun 2.0 module using green chemicals, recyclable and easily accessible materials and (2) evaluate the module effectiveness in terms of student achievement/understanding of the Electrochemistry topic. This is a Design and Development Research (DDR) using the ADDIE model as an instructional design model. The development phase involves the first objective of the study, while the evaluation phase involves the second objective. Total of 46 respondents of pre-post tests were involved in evaluating effectiveness of Lectrofun 2.0 in terms of student achievement/understanding of the topic. The findings showed that 73.9% of students from the treatment group showed 4-grade increment (from grade E to grade A). This study showed that Lectrofun 2.0 has a significant impact on enhancing learner comprehension of Electrochemistry topic, enjoyment in learning, and learning to care for the environment.

The results of the needs analysis and previous studies indicate that the implementation of the Massive Open Online Course (MOOC) has not yet achieved the target set by the Ministry of Education Malaysia. Therefore, this study aimed to develop the e-assessment module for Chemistry MOOC and investigate the perception of 129 respondents among Bachelor of Chemistry Education students. This is a design and development research using ADDIE model. The instruments involved are the module content validity evaluation form, the module reliability questionnaire and the perception questionnaire. The results showed that the S-CVI/Ave value obtained for the 389 items in the evaluation of module content validity was 1.00. Furthermore, the Cronbach’s alpha value obtained for the module reliability was 0.97. The mean and standard deviation of students' perceptions of the e-assessment module were 3.44 and 0.58, respectively. In conclusion, validity index, Cronbach's alpha reliability coefficient and mean value for students' perceptions of the e-assessment module are good. The implication is that the use of this e-assessment module for Chemistry MOOC can help students conduct self-assessments online, strengthen their understanding of chemistry concepts while helping lecturers diversify their assessment methods.

The pH effect on arrangement of a liquid crystal (LC) system was studied in short and rigid molecule (BDMT-Hg). 1,4-benzenedimethanethiol (BDMT) doped 4-cyano-4′-pentylbiphenyl (5CB) was spontaneou...

Magnobolt is a teaching aid built on hands-on activity and exercises. This study examined a framework that could integrate both theoretical and practical of learning science in Malaysia. ADDIE model was used for Magnobolt module development. The perception of 300 science teachers across the Perak on Magnobolt studied via questionnaire includes two parts; Pedagogical Approach to Teaching and Learning and training suitability. The reliability for Magnobolt was tested on a total of 30 teachers which were not involved in the actual study. An analysis of the Cronbach’s Alpha exhibits 0.945 showed very good reliability. Three content domain experts were involved to evaluate the validity of the Magnobolt. A real case study on 300 science teachers agreed that the Magnobolt was developed for a pedagogical approach to teaching and learning and suitable for training with the total mean score of 4.34 and 4.25 respectively. This science module also injects the element of creativity and innovation to build fun in learning science and creative capacity of teachers.

The involvement of Au adatoms in the interfacial structure of monothiols on Au(111) is now established, but the same issue is virtually unexplored in the case of dithiols. To gain more insight into the latter, we have studied by scanning tunneling microscopy the self-assembly of two prototypic symmetric dithiols (1,6-hexanedithiol and biphenyl-4,4′-dimethanethiol) from dilute aqueous solutions and correlated their growth with the deconstruction of the Au(111) herringbone pattern known to produce adatoms. For both molecules, we determine an initial low-density monolayer where the molecules are lying down and paired by 0.45 A tall protrusions, assigned to Au adatoms. The other terminal group is imaged differently, revealing a strong asymmetry in the dithiol bonding. The formation of vacancy islands and, thus, the extraction of additional adatoms from terraces are detected only after substantial molecular rearrangement and loss of bonding asymmetry.