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Psychological testing a judicious sampling of human behavior
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ability academic accordingly activity actual Alfred Binet amount analysis apparatus aptitude testing Army Alpha average behavior Binet cent character traits chirognomy column combined computation considerable corre correlation coefficients criterion score determiners differential psychology distribution error example experimental fact forecasting efficiency formula given graphologists group factors group tests hand important indicate intelligence quotient intelligence tests investigation involved judges large number less marks means measure mechanical ment mental age method miniature test nature negative number of tests observed obtained occupation omnibus test pencil-and-paper tests performance person phrenology point of inflection possible practical prediction probably prognostic psychograph psychological tests psychologists ranks reliability coefficient represented sample scale scholastic secured Showing shown in Table significance speed square standard deviation success tendency test batteries test scores test units tion trade tests trait differences trial group true variable vocational weight yield zero