To investigate the effects of different techniques of vocabulary portfolio including word map, word wizard, concept wheel, visual thesaurus, and word rose on L2 vocabulary comprehension and production, a sample of 75 female EFL learners of Kish Day Language Institute in Karaj, Iran were selected. They were in five groups and each group received…

This mixed method study mainly explored how the extent of pre-service chemistry teachers' understanding of the particle nature of matter (PNM) affects their understanding of solution chemistry in the context of multirepresentational (MR) instruction. The ultimate goal was to describe the levels of understanding of specific solution chemistry…

The purpose of this study is to investigate the effects of the conceptual change text based instruction on ninth grade students' understanding of ecological concepts, and attitudes toward biology and environment. Participants were 82 ninth grade students in a public high school in the Northwestern Turkey. A treatment was employed over a five-week…

The purpose of this dissertation was to investigate the effects of prompting students to monitor their use of learning strategies and comprehension while completing self-paced, work-related training in a computer-based learning environment. Study participants included 94 enlisted military volunteers, randomly assigned to one of three groups in the…

This study addressed a need for comprehensive quantitative empirical studies to determine the effectiveness of using popular culture media as a teaching technique. A quasi-experimental design was implemented to examine whether a group of community college students taking a first-semester introduction to business course who were exposed to a…