AbstractThe purpose of the study was to investigate the effects of task-based language learning (TBLL) on
the grammatical and lexical achievements among student teachers. A series of TBLL lessons were used
as the treatment while a series of presentation-practice- production (PPP) lessons were used as the
control. The TBLL lessons were conducted using two different types of collaborative tasks namely,
the dictogloss task and jigsaw task. The research employs a quasi-experimental with a three-group
pre-test post-test design. The samples of the study consist of 63 student teachers from one of the
Malaysian teacher education institutes or Institut Pendidikan Guru Malaysia (IPGM). They comprise
of two treatment groups and one controlled groups. The instruments of the study consist of
pre-test, post-test, questionnaires and interview questions. The data were analysed using
descriptive statistics and a one-way ANOVA test in the statistical software for social sciences
.....