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Speigel, Mona R.; Bryant, N. Dale – Journal of Educational Psychology, 1978
Mean response times and slope of response times were correlated with intelligence and achievement for 94 sixth-graders. Mean response time reliability was greater than that of slope, and correlated significantly with IQ and achievement. Speed of processing information generalized across experimental tasks and reliably indicated intellectual…
Descriptors: Academic Achievement, Cognitive Processes, Cognitive Style, Difficulty Level
Linn, Marcia C.; Pulos, Steven – 1979
This study of Piagetian formal reasoning in seventh grade students reports the relationships between four aspects of the ability to control variables in an experiment and the relationships between those four aspects and other constructs. The four aspects of the ability to control variables identified are: (1) set up a controlled experiment, (2)…
Descriptors: Abstract Reasoning, Cognitive Ability, Cognitive Development, Cognitive Style