Main Article Content
21st century learning focuses on information and communication technology literacy to produce competitive human resources in the job market, in addition to meeting the needs of the 4.0 industrial revolution in the production of technology-savvy consumers. Therefore, this study aims to identify the level of motivation and usability of WhatsApp applications among secondary school teachers who attended the Postgraduate Diploma Program of Education (KDC PDPP) at Institute of Teacher Education (IPG). This study uses quantitative approach through survey questionnaires. Respondents involved in this study were 316 interim teachers teaching in schools throughout Sarawak. This study focuses on the motivation of interim teachers to participate in interaction session via WhatsApp and WhatsApp usability in teaching and learning in online interaction sessions. Data analyzed by using descriptive analysis, mean and standard deviation to identify interim teachers’ motivation level using WhatsApp and WhatsApp usability in online interaction. The findings show the mean value of the two levels, the motivation of interim teachers with the mean score of 4.08 and the usability of WhatsApp with a mean value of 4.09 in online interaction conducted by Institute of Teacher Education. The implication of the study regarding the usage of WhatsApp aplication as e-learning met by the 21st century learning. Thus, the e-learning method implemented at the Institute of Teacher Education can be reinforced and strengthened so that teaching and learning methods remain relevant to the demands of the 21st century education.