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Goldhammer, Frank; Rauch, Wolfgang A.; Schweizer, Karl; Moosbrugger, Helfried – Intelligence, 2010
The study investigates the effects of intelligence, perceptual speed and age on intraindividual growth in attentional speed and attentional accuracy over the course of a 6-minute testing session. A sample of 193 subjects completed the Advanced Progressive Matrices and the Vienna Matrices Test representing intelligence, the tests Alertness and…
Descriptors: Intelligence, Performance Tests, Age Differences, Perception
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Royer, Fred L. – Intelligence, 1978
Various experiments demonstrated that the difficulty level of several performance-type intelligence test tasks is determined directly by stimulus and task variables that vary the information to be processed. The implications of these findings for intelligence and the problems of an experimental approach to the measurement of intelligence are…
Descriptors: Adults, Cognitive Processes, Difficulty Level, Intelligence Tests
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Rie, Ellen D.; Rie, Herbert E. – Intelligence, 1979
Reading deficits among elementary-aged learning disabled children with suspected neurocognitive dysfunctions were calculated. The children were grouped according to IQ profiles. Results indicated that the pattern of high verbal-low performance IQs was associated with the least deficiency in reading ; this association was evident as early as second…
Descriptors: Ability Grouping, Cognitive Processes, Correlation, Elementary Education