The relation between maternal presence and infant's vocalization depended upon the infant's state: when the infant was in the active awake state, he vocalized less in the presence of the mother than when alone, thus indicating that the majority of early vocalizations are associated with a non-social situation. (Authors/RY)

There is an urgent need for more research in predictive measures to test the ability of applicants for training in occupational therapy. (CK)

Based on Huntington's Ph.D. dissertation, Stanford University. Adapted from paper presented at Convention of American Speech and Hearing Association (36, Los Angeles, Calif., Nov., 1960).

To examine relationship between strength of book reviews in "Choice" and subsequent circulation of titles reviewed, authors drew sample of reviews from "Choice," ranked reviews according to reviewer's opinion of book, determined frequency of circulation in Purdue General Library, and correlated frequency with strength of…

Nine indices for assessing the accuracy of an individual's test score were evaluated using simulated item responses to a commercial and a classroom test. The indices appear capable of identifying relatively high proportions of examinees with spurious total scores. (Author/PN)

In examining considerations in determining sample sizes for factor analyses, attention was given to the effects of outliers; the standard error of correlations, and their effect on factor structure; sample heterogeneity; and the misuse of rules of thumb for sample sizes. (Author)

The respondents' (628 children in grades 5 through 10) scores on the Personal Attribute Inventory for Children (PAIC) correlated significantly with scores on the State-Trait Anxiety Inventory for Children and the Behavior Rating Profile--Student Scales, indicating the validity of the PAIC as an educational, clinical, and/or research instrument.…