Recent attempts to reduce internal invalidity in
studies employing pretest/posttest self-report indices
of improvement have included the refinement
of methodologies employing retrospective reports of
pre-treatment states. The present study investigated
the operation of social desirability and impression
management response bias on such retrospective
measures. The results do not support the hypothesis
of greater bias on retrospective measurement and,
in fact, are in a direction that might suggest an interpretation
of reduced bias on such measures. The
results also continue to support superior validity of
retrospective over traditional pretest/posttest indices
of improvement following treatment.
Howard, George S, Millham, Jim, Slaten, Stephen & O'Donnell, Louise. (1981). Influence of subject response style effects on retrospective measures. Applied Psychological Measurement, 5, 89-100. doi:10.1177/014662168100500113
Howard, George S.; Millham, Jim; Slaten, Stephen; O'Donnell, Louise.
Influence of subject response style effects on retrospective measures.
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