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Peer reviewed Peer reviewed
Shubber, K. E.; Al-Mudaifa, H. S. – Research in Science and Technological Education, 1991
Six types of remedial projection slide programs were tested on male students (n=120) who showed difficulty in visualizing rotation from molecular diagrams. There were no significant differences in improvement of understanding which were dependent on the number of remedial diagrams. However, when slides contained multicolored diagrams, which were…
Descriptors: Audiovisual Aids, Cognitive Ability, Concept Formation, Foreign Countries
Peer reviewed Peer reviewed
Shubbar, K. E. – Research in Science and Technological Education, 1990
The purpose of this investigation was to evaluate the effectiveness of six instructional programs with the aim of alleviating the problems encountered by students in visualizing rotation in molecular diagrams. Models were filmed rotating around the three different axes with different speeds with and without shadows. (KR)
Descriptors: Audiovisual Instruction, Chemical Bonding, Chemistry, Developing Nations