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Klopfer, Dale S. – 1983
The processing of mental structures in perception appears to be serial, in that viewers can fill in missing parts from an impoverished stimulus following a top down process. To investigate the effects of unfamiliarity, complexity, and legibility on object and layout perception of unfamiliar stimuli, ten subjects were shown one of four ribbon…
Descriptors: Cognitive Processes, Eye Fixations, Pattern Recognition, Perception

Erickson, Donna Bird – School Science and Mathematics, 1991
The ability of students to sort cards based on surface features and deep patterns is investigated. The effect of the presence of variables and what makes a pattern difficult or easy for students to recognize are discussed. Study revealed that students are unsuccessful at making connections between expressions, sentences, and sequences which share…
Descriptors: Algebra, Arithmetic, Attention, Fractions