Studies the effects of evidence in persuasive communication and suggests that the nature of the communication topic may be significantly related to evidence effectiveness and the attitude change process. (MH)

In order to examine the conditions that determine when intergroup cooperation will result in increased intergroup attraction, a group of 494 male and female undergraduate students was divided into task groups consisting of eight to twelve individuals. In the first phase of the study, groups were led to believe that they were either competing,…

Discusses a study based on the assumption that change of meaning is, under certain circumstances, of fundamental importance to the information integration process. (MH)

Lends support to the idea that the nature of the communication topic may be significantly related to evidence effectiveness and perhaps to the process of attitude change employed by the receivers. (MH)

Studies the ways in which information disclosed early in a relationship is used to form predictions about probable attitudes of the other person, and subsequent communication behavior as the relationship progresses. (MH)

Suggests that usurpation of control by a leader causes low-status group members to become dissatisfied with participation, but perceived lack of support causes dissatisfaction with the level of goal attainment. Tables and bibliography. (RW)

Seeking to understand where students are at in reference to their preconceived attitudes and knowledge concerning environmental issues was the purpose for undertaking this research study. An analysis of environmental information sources, both the schools and the media, appeared necessary. Only in this manner can environmental education programs be…