Abstract
Equations are presented for estimating the scores on each of 20 PRF scales and each of 19 CPI scales from the other inventory. Estimates of the cross-validity of these inter-inventory predic tion equations ranged from about .40 to approxi mately .80. Scores on the typical CPI scale are predicted reasonably well by one or two PRF con tent scales, plus the Desirability scale. While scores on most PRF scales can be equally well es timated by a few CPI scales, one PRF scale—Sen— tience—appears to be unpredictable from the CPI.
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