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| Farrell, Margaret A. | 1 |
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Farrell, Margaret A.; And Others – 1980
Two paper and pencil group tests were assessed for their ability to classify subjects as concrete or formal operational. The two group tests, Sheehan's (1970) version of Longeot's three subtests and set of three puzzles, were administered to 607 students from ninth- and tenth-grade science and mathematics classes. A subsample of 69 students was…
Descriptors: Age Differences, Cognitive Measurement, Educational Diagnosis, Grade 10
