Chapter 2. Validity of Selection Methods

How do you know it Works?

  1. Mark Cook

Published Online: 30 JUN 2010

DOI: 10.1002/9780470742723.ch2

Personnel Selection: Adding Value Through People, Fifth Edition

Personnel Selection: Adding Value Through People, Fifth Edition

How to Cite

Cook, M. (2008) Validity of Selection Methods, in Personnel Selection: Adding Value Through People, Fifth Edition, Wiley-Blackwell, Oxford, UK. doi: 10.1002/9780470742723.ch2

Publication History

  1. Published Online: 30 JUN 2010
  2. Published Print: 22 OCT 2008

ISBN Information

Print ISBN: 9780470986455

Online ISBN: 9780470742723



  • validity of selection methods - reliable and valid;
  • assessment methods against six main criteria;
  • reliability meaning consistency and test's error of measurement;
  • core and marginal types of validity in selection research;
  • criterion validity - predictive and concurrent;
  • content validation - test items, samples of things employees need to know;
  • convergent/divergent validity - assessing people for problem-solving ability, influence and empathy;
  • marginal types of validity;
  • validity generalization analysis (VGA) - development of meta-analysis by Schmidt and Hunter;
  • VGA correcting for restriction of range - using formula for direct restriction of range (DRR)


This chapter contains sections titled:

  • Introduction

  • Reliability

  • Validity

  • Criterion validity

  • Content validity

  • Construct validity

  • Convergent/divergent validity

  • Cross - validation

  • Incremental validity

  • Marginal types of validity

  • Meta analysis

  • Problems with meta - analysis

  • Validity generalization analysis

  • Second problem – variation in validity

  • Criticisms of validity generalization

  • Latest development in VGA

  • Key points

  • Key references