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| Abstract Reasoning | 1 |
| Cognitive Processes | 1 |
| Concept Formation | 1 |
| Marihuana | 1 |
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| Pearl, Joseph H. | 1 |
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Download full textPearl, Joseph H. – 1970
Investigating the effects of marijuana on human psychological functioning, this study differs from previous research in two ways: 1) it is concerned with relatively complex cognitive processes; 2) it has a theoretical rationale. The general hypothesis of the study states that marijuana will impair its user's ability to form and use abstract…
Descriptors: Abstract Reasoning, Cognitive Processes, Concept Formation, Marihuana
