Ali Morshedi Tonekaboni - Young Researchers and Elite Club, Tonekabon Branch, Islamic Azad University, Tonekabon, Iran

The aim of this study is to determine the effects of Jigsaw based on cooperative learning on Iranian EFL learners’ acquisition of inflectional morphemes. The purpose of the present study was to investigate the effect of jigsaw task as a cooperative learning technique on acquisition of inflectional morphemes among Iranian EFL learners. To accomplish the purpose of the study, three intact groups were randomly selected as experimental groups and a control group of the study. Reading comprehension test was administered as the pretest of the study. After that, the experimental groups received a special treatment of task-based instruction including jigsaw the task and cooperative learning in the next experimental group while the control group received traditional morphems instructions. The treatment lasted 18 sessions or about three months. A parallel test of inflectional morphemes was administered as the posttest of the study. The results of the pretest and posttest in data analysis through statistical procedure of one way ANCOVA which confirmed the superiority of the experimental groups to the control group. A conclusion was drown that jigsaw task hasn’t any significant effect on improving learners’ acquisition of inflectional morpemes, but also create a supportive learning environment.

jigsaw task based , cooperative learning , EFL learners, acquisition of inflectional morphemes