The purpose of the study is to examine the effect of appropriately designed multimedia software for both conversational and formal styles with respect to various variables. The model of nonequivalent control group was used in the study. While the group studying with the multimedia material in formal style included 22 students, the other group…

The purpose of this study was to examine the effects of visual representations and time-compressed instruction on learning and learners' perceptions of cognitive load. Time-compressed instruction refers to instruction that has been increased in speed without sacrificing quality. It was anticipated that learners would be able to gain a conceptual…

Evidence from the research literature suggests that a variety of cognitive factors are responsible for chemistry achievement. This investigation examined the role that four cognitive factors, namely, prior knowledge, formal reasoning ability, memory capacity and field independence/dependence, play on achievement in chemistry as measured by tests…