This experiment investigates the relation between differences in strategy and performance in a variety of interaction situations. Accommodative and exploitative behavior tended to be alike in males and females. Situational variables studied included intragroup vs. integroup negotiation, three different games, and three sets of contrasting…

Ethnic relations in Israel between European and non-European Jews and between Jews and non-Jews (predominantly Arabs) is examined using surveys conducted during the period 1966-1968. While the outlook for full integration among Jewish ethnic groups seems favorable, Jewish-Arab relations are developing in an unfavorable direction. (Author/MB)

Reviews past research on the informal communication system in an organization, known as the 'grapevine', and discusses the author's research results which lend support to prior research conclusions. (MH)

Problems in the analysis of sequential behavior are discussed in relation to observation-coding procedures. A set of heuristic constructs are presented toward the development of a solution strategy for the analysis of chains of interactive behaviors. A proposed analytic computer program is briefly outlined and discussed. (Author)

Videotaped group work lessons of an elementary school third grade class provide material for study of the non-verbal aspect of group behavior. A system of activity categories is developed and a typology of pupils' working methods in group study distinguishes types and characteristic forms of activity. The following activity categories are used in…