Purpose -The purpose of this paper is to investigate the factors that stimulated the sharing of tacit and explicit knowledge and their effects on performance among research-mode graduate students. The findings of this study provided a better understanding of the knowledge-sharing activities among graduate students who were engaged in project-based or individual learning activities. Design/methodology/approach -The survey method was employed to gather data and the resulting data were analyzed using structural equation modeling. A total of 245 valid responses were collected from students enrolled in various graduate programmes at the main and branch campuses of Universiti Sains Malaysia. Findings -The students reported a positive and constructive approach toward knowledge sharing with the exogenous variables, namely, trust, social networks, and information and communications technology (ICT) reporting significant positive direct effects on the mediating variables, namely, tacit and explicit knowledge. Only tacit knowledge had a significant direct effect on performance, the endogenous variable. In addition, the knowledge-sharing activities were localized to the respective campuses.Research limitations/implications -The investigation involved samples from one university. A large sample size that involves other universities is needed in order to generalize the findings. Practical implications -The paper offers a snapshot of the intensity and pattern of knowledge-sharing behaviours that can be used to improve learning and performance among students engaged in individual learning. Originality/value -To the authors' knowledge, no previous studies have investigated knowledge-sharing activities among research-mode students at the Master and Doctoral levels.

This study investigated the impacts of the immersive multimedia learning strategy with peer support on production skills in reading and speaking. Moreover, the effects of it on performance were investigated by student achievement. The quasiexperimental design with post-test was employed for the study. 80 first-year university students enrolled in English as a foreign language course were selected for this study. Data were analysed using one-way ANOVA. The findings showed that the immersive multimedia learning with peer support group reported significantly better performance in all measures of oral production for reading and speaking. Analyses obtained by achievement showed that the high achievement students in the immersive multimedia learning with peer support group reported significantly better performance in all measures of oral production only for speaking while the low achievement students in the immersive multimedia learning with peer supported group reported significantly better performance in all measures of oral production for reading and speaking. These findings showed that the immersive multimedia technique with peer support reduced the use of codeswitching strategies among the students and enabled them to develop oral production skills in English approaching the patterns of native speakers especially among low achievement students.

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This research is based on the students� problems in writing argumentative essay, especially in developing and organizing ideas, using good grammar and diction, and applying correct writing mechanics, such as the use of capital letter, spelling, and punctuation. The purpose of this research is to solve the students� problems in writing argumentative essay through collaborative writing strategy. The design employed in this research was classroom action research. The participants involved in this research were 23 students of English Education Department, Faculty of Teacher Training and Education, University of Lancang Kuning Pekanbaru, Indonesia. The instruments used in this research were writing test, field note, observation checklist, and interview. Based on the result of the test, the students� score had reached the criteria of success set, and it was significantly improved from the result before the research conducted. The mean score of the mid-term test was 54.9, and the mean score of the cycle test was 74.3. In addition, based on the data gained from the field note, observation checklist, and interview, it was found that the students were active, creative, and enjoy the learning process. In conclusion, the use of collaborative writing strategy can solve the students� problems in writing argumentative essay as well.Keywords: writing skill; writing aspects; argumentative essay; collaborative writing strategy; �classroom action research.

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