Question: Your HR team developed three new selection methods and collected data to validate each tool. You are looking at the data (presented below) and trying

Your HR team developed three new selection methods and collected data to validate each tool. You are looking at the data (presented below) and trying to decide which tool(s) to use: Which selection method(s) would you choose to include in your selection system and why?

New interview tool:

  • Internal consistency, Cronbachs alpha of .35
  • Inter-rater agreement at 78%
  • Correlation with job performance is -.40

New personality test

  • Internal consistency, Cronbachs alpha of .87
  • Correlation with job performance is +.15

New numerical ability test

  • Internal consistency, Cronbachs alpha of .50
  • Test re-test consistency is r=.45
  • Correlation with job performance is +.35

Impact ratios by race:

EEO GroupInterviewPersonality testNumerical ability testWhite Black or African-American81%66%83%Latino82%79%84%

EEO Groups labelled as per the Bureau of Labor Statistics

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