Data were obtained on the Portable Rod-and-Frame Test for a sample of 31 college women. For a test-retest interval of approximately 9 mo. a stability coefficient of .84 was obtained. There was no difference between test and retest means of 2.15 (SD = 1.93) and 2.50 (SD = 2.12), respectively (tno = 1.65). These findings provide evidence for the intraindividual stability of scores on the portable task.
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