This study sought to clarify the relationships between modes of presentation (verbal vs spatial), explicitness of presentation (little or much), and student aptitudes (verbal vs spatial). Findings are discussed and several areas for future aptitude-treatment-interaction research are suggested. (Author/JEG)

This review of research on the achievement/enjoyment relationship cites evidence from aptitude treatment interaction (ATI) studies suggesting that students tend to like the instructional method from which they learn the least. High ability students prefer more structured and directive methods, but learn best from more open and permissive…

Instructional research is reviewed where teaching failures have produced students who seem to be less able to use learning skills or had less access to knowledge in some domain than before they were taught. Three general types of "mathemathantic" (i.e. where instruction "kills" learning) effects are hypothesized, theoretical…