Long-term validity of a personal history item scoring procedure

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The proposed “Uniform Guidelines on Employee Selection Procedures” suggest the need to evaluate the life span of selection instrument scoring procedures under changing labor market and job situations. The present study investigated the long-term validity of a personal history item scoring key developed on a 1933 sample of 10,111 life insurance agents and reevaluated on a 1939 sample of 857 agents and a 1969–1971 sample of 14,738 agents. Results, presented in expectancy table format, indicate that over the 6-yr and 38-yr cross-validation periods, little, if any, validity was lost. This was true despite drastic labor market and economic changes as well as dramatic changes in the job itself. The apparent conflict of these results with those reported in other long-term validity studies is attributed to the impact of scoring key confidentiality, test maintenance, and adequate developmental sample size. (14 ref) (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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