Reports on the verbal output of 20 pairs of high-school boys who communicated through four modes: voice, handwriting, typewriting, and face-to-face with an option to use other modes. (KS)

The effect of feedback on group cohesiveness (measured in terms of group and task attractiveness) for a person who is performing a simple, highly repetitive task was studied. One hundred business administration students, randomly assigned to five member groups, completed a series of trials having the goal of determining the number commonly held by…

This report describes the effects of 48 hours of sustained operations on the performance of tank crews in communication, driving, surveillance, gunnery, and maintenance tasks. It is a continuation of research to determine the endurance of troops using combat equipment with 48-hour capability. Proficienty tests were constructed for each type of…

The purpose of this book is to report and interpret a group of research studies relating to social-cognitive development in early childhood through adolescence. Adults interpret the covert psychological properties of other people, their abilities, knowledge, motives, attitudes, perceptions, and intentions relevant to concrete situations. An infant…