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This study aims to explore user behaviors in instructional environments combining multimodal presentation of information. Cognitive load theory and dual coding theory were taken as the theoretical perspectives for the analyses. For this purpose, user behaviors were analyzed by recording participants' eye movements while they were using an instructional material with synchronized video and PowerPoint slides. 15 participants' eye fixation counts and durations for specific parts of the material were collected. Findings of the study revealed that the participants used the slide and video presentations in a complementary way. [ABSTRACT FROM AUTHOR]

Purpose of the study is to investigate how adults solve tangram based geometry problems on computer screen.Two problems with different difficulty levels were presented to 20 participants. The participants tried to solve problems by placing seven geometric objects into correct locations. In order to analyze the process, the participants and their eye movements were recorded by an Tobii Eye Tracking device while solving the problems. The results showed that the participants employed different strategies while solving problems with different difficulty levels. [ABSTRACT FROM AUTHOR]