Record froms from test materials for Progressive Matrices (1947) and the associated Crichton Vocabulary Scale, by J.C. Raven, published by H.K. Lewis and George Harrap, 1947-1950 Test material record forms
Test materials for Progressive Matrices (1947) and the associated Crichton Vocabulary Scale, by J.C. Raven, published by H.K. Lewis and George Harrap, 1947-1950 Test materials
