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Johansson, Bo S. – British Journal of Psychology, 1977
This research studied the relation between mastery of the words "and" and "or" and performance on the conjunctive and disjunctive tasks. A definition test was used to measure level of mastery of the linguistic terms and a traditional logical test to measure logical task performance. Results are related with ability to solve logical tasks.…
Descriptors: Charts, Cognitive Development, Correlation, Educational Testing
Mahan, Aline M.; Mahan, Thomas W. – 1969
The Hartford Project Concern attempted to discover if the educational deficits so persistent among minority group inner city children can be prevented or corrected by placement in a suburban school. Two hundred and sixty six were randomly selected by classroom units from those schools with 85 percent or more non-white population and were…
Descriptors: Black Students, Cognitive Development, Cognitive Processes, Educational Environment