Appendix B. The Naylor-Shine Table for Determining the Increase in Mean Criterion Score Obtained by Using a Selection Device

Using the Table

The following definitions are used in the table:

rxy

=

Validity coefficient

Zxi

=

Cutoff point (score) on the predictor in standard-score units

φI

=

Selection ratio

Using the Tableyi

=

mean criterion score (in standard-score units) of all cases above cutoff

λI

=

Ordinate of normal distribution at Zxi

And the table is based upon the following equation:

Using the Table

Note: The use of the table may differ slightly in the case where rxy is really a multiple regression ...

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