Descriptor
| Adolescents | 1 |
| Behavior | 1 |
| Individual Development | 1 |
| Individual Psychology | 1 |
| Measurement Techniques | 1 |
| Psychological Testing | 1 |
| Test Reliability | 1 |
| Test Results | 1 |
| Test Validity | 1 |
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| Adolescence | 1 |
Author
| Nixon, Robert E. | 1 |
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Peer reviewedNixon, Robert E. – Adolescence, 1972
The Psychological Growth Index, a true-false questionnaire of 140 items, has been administered to 7,500 individuals in the 14 to 22 age group to distinguish psychologically mature adolescents from less-fully mature peers. Author claims after careful statistical scrutiny instrument remains clinically valid. (DS)
Descriptors: Adolescents, Behavior, Individual Development, Individual Psychology
