## The Estimation of Pupil Ability by Three Factorial Solutions |

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### Contents

Distribution of Subjects by Grade Placement | 166 |

Comparative Factor Loadings of Similar Tests in Three Independ ent Analyses | 168 |

Reliabilities of the Tests | 177 |

23 other sections not shown

### Common terms and phrases

age range B0 and P2 battery of tests bifactor solution card count centroid chronological age coefficients common factors composite tests correct item Directions.—(Testing Faces and Names factor abilities factor analysis factor estimates factor scores factorial methods factors B0 four grade placement group factors Harman 15 Holzinger and Harman hyperplanes intercorrelations Inverted Drawing L. L. Thurstone matrix Memory for Digits Memory for Directions Memory for Objects Memory for Sentences memory tests mental age Multiple correlation multiple orthogonal Multiple-factor scores Notes on scoring.—One oblique solution Oblique-factor scores obtained Oral Pattern Analogies Picture Sequence Possible score power factor presented primary-oblique solution punched cards pupils ratings of ability Regression Equations relationship sample school achievement school marks scoring.—One point Sentence Completion spatial factor standard deviation standard errors syllables syllogisms table 13 test 11 test battery test number three solutions tion Unrelated Words variables verbal factor visual Xi Xi