The present study examines the effects of pre-task explicit instruction on second language (L2) oral self-repair behaviour while controlling for the effects of working memory. The participants were 121 Iranian learners of English at incipient levels of language proficiency. Their working memory was measured using an operation span task and then…

Students with mild intellectual disabilities need explicit vocabulary instruction with multiple exposures in different contexts and extra practice in associating meanings to unfamiliar words to build their word knowledge. The purpose of this study was to examine the effect of multimedia-based computer assisted instruction on learning the meanings…

The purpose of this study was to test the best mix of reciprocal peer tutoring with direct teaching methods to improve students' achievement in secondary school physics teaching in content-focused and high-stake examination-oriented curriculum. Data was gathered from three equivalent grade-9 sections and assigned to three different intervention…

I advance a theoretically and empirically-grounded case for designing for and learning from failure, and instantiate it in a learning design called Productive Failure (PF). I describe the key mechanisms and the design principles of PF. The PF learning design comprises a generation and exploration phase followed by a consolidation and knowledge…