Correction for range restriction: Lessons from 20 research scenarios.

Data are often available only for recruits, a range-restricted sample. This creates the potential for mistaken inferences and poor decisions. This is because inferences and decisions are about the population, not the sample.

Compilation of Cognitive and Personality Norms for Military Aviators.

Introduction: The assessment of individuals on abilities or other characteristics is based on comparison to a representative sample. General population norms provide an appropriate reference group when the distribution of scores in the sample can be expected to be similar to those for the general population (e.g.