Selection(cont.） Validity degree to which there is a proven relationship between the selection device and some relevant criterion law prohibits the use of selection devices unless there is evidence that,once on the job,individuals with high test scores outperform those with low test scores organization has burden to provide evidence of validity Reliability -degree to which a selection device provides consistent measures no selection device can be effective if it has low reliability ©Prentice Hall,2002 12-19Selection (cont.) Validity – degree to which there is a proven relationship between the selection device and some relevant criterion – law prohibits the use of selection devices unless there is evidence that, once on the job, individuals with high test scores outperform those with low test scores – organization has burden to provide evidence of validity Reliability – degree to which a selection device provides consistent measures – no selection device can be effective if it has low reliability © Prentice Hall, 2002 12-19