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Nicholson, John R.; Seddon, G. Malcolm – Journal of Cross-Cultural Psychology, 1977
The first aim of this study was to assess the proportion of students at different levels in a Nigerian secondary school who interpret selected diagrams in 3 or 2 dimensional terms and to see if there are differences between these interpretations and those of English students. (Author/AM)
Descriptors: Cross Cultural Studies, Perception Tests, Pictorial Stimuli, Secondary Education

Nicholson, John R.; And Others – Journal of Cross-Cultural Psychology, 1977
Two experiments were conducted to compare the effectiveness of different ways of producing the frames in a remedial self-instructional program intended to improve the ability of Nigerian secondary school students to understand spatial relationships in pictures. (Author/AM)
Descriptors: Cross Cultural Studies, Instructional Programs, Perception Tests, Pictorial Stimuli
Nicholson, J. R.; And Others – Programmed Learning and Educational Technology, 1978
Discussion of stereoscopic and planoscopic diagrams as they relate to the level of understanding in depth relationships. Findings indicate a significantly lower understanding in stereoscopic diagrams when compared to a real three-dimensional situation. (JEG)
Descriptors: Analysis of Variance, Depth Perception, Diagrams, Educational Research