Internet use in the contemporary media environment

Although a significant amount of research has focused on traditional media choice and use, and even on some ‘new’ media, these studies have either neglected the Internet and World Wide Web or were conducted prior to their recent popularity. This study offers a novel exploration of individuals' use of three Internet functions (information retrieval, information giving, and conversation capabilities) in the context of the use of other communication media. Data from 684 individuals demonstrate that the Internet is a multidimensional technology used in a manner similar to other, more traditional media. Specifically, conversation features of the Internet align with mediated interpersonal technologies (the telephone and electronic mail), whereas the Internet's information‐retrieval and information‐giving features are used in ways similar to mass media channels (newspapers, television, and books and magazines). In addition, needs fulfilled by these channels cluster in ways consistent with past research, regardless of the technologies employed to meet them.     

Responsibility-Inducing interventions with Older Clients

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In Vivo Hippocampal Acetylcholine Release During Exposure to Acute Stress

Hippocampal extracellular acetylcholine (ACh) and choline levels were evaluated using in vivo microdialysis in male Fischer 344 rats before, during, and following an 80-min exposure to two different stress conditions. Measurements were taken in rats restrained and immersed in a water bath containing either 37 degreesC (normothermic-restraint) or 20 degreesC (cold-restraint) water. Results were compared to normothermic-freely-moving rats. Cold-restrained rats displayed decreased ACh levels during cold exposure relative to both normothermic-restrained and normothermic-freely-moving rats. By the end of the cold exposure period and following removal from cold, ACh levels had returned to near-baseline values. Normothermic-restrained rats had levels similar to those of normothermic-freely-moving rats, except for a marked increase in ACh following removal from restraint. Cold-restrained rats displayed a gradual elevation in choline levels during cold stress, followed by a gradual decline after stress termination, whereas both normothermic-restrained and normothermic-freely-moving rats displayed gradual decreases during the microdialysis session. These findings demonstrate that central cholinergic neurotransmission can be altered by the application of, and removal from, acute stressors. In addition, the results suggest a possible relationship between the magnitudes of both the stressor and its cholinergic consequences.     

INTUITIVE-THEORETICAL SCALES OF CONTENT AND CONTEXT SATISFACTION

Evidence has suggested the usefulness of viewing job satisfaction as composed of content and context aspects. Armstrong attempted to develop intuitive-theoretical scales measuring content and context satisfaction but the scales lacked discriminant validity. The present study attempted the development of content and context scales based on Schletzer's overall job satisfaction instrument. After the criteria of internal consistency and discriminant validity were applied in refining scales, it was found that the inter-correlation between content and context scales after correction for attenuation was 0.06 and 0.05 for two separate samples of professional workers. It was concluded that the data provided some support for the content-context dichotomy. Application of the new scales and the general method for developing scales in industrial and organizational psychology are considered.     

LEADER INFLUENCE IN THE ASSESSMENT OF PERFORMANCE

The role requirements of leaders in an assessment group context were manipulated in a laboratory simulation. Discussion leaders (chairholders) either did or did not have first hand contact with an individual who was being assessed. Furthermore, chairholders were either allowed a formal say in the group's decision or were not. As predicted, different configurations of role requirements had an impact on the influence wielded by the chair, as indexed by measures of group process, group decision, accuracy and group member attitudes. Both prior contact and voting rights had direct and interactive effects and served to increase chair influence. Particular role requirement combinations also produced a type of group disruption as reflected in group member ratings of the quality of the session. The results of the study are discussed in forms of implications for the standardization of procedures in assessment center programs.     

Self-Psychology,Shame, and Adolescent Suicide: Theoretical and Practical Considerations

Using the psychoanalytic self-psychology of Heinz Kohut as the theoretical foundation of this article, the authors discuss the role of shame in adolescent suicidal behaviors. Shame is described as a central component of suicidal behavior within the context of adolescence, a fundamental stage in the development of the healthy self. Normal and pathological self-development are described and important issues pertaining to the development of the self during adolescence are explored. A theoretical explanation of adolescent suicidal behavior from a self-psychology perspective is offered. Finally, suggestions for treatment of the suicidal adolescent and an illustrative clinical vignette are presented.     

TASK-RELEVANT CONTROL IN ORGANIZATIONS1

Studies of organizational power using questionnaire measures of perceived control have usually asked respondents, “How much influence do (various groups in the hierarchy) have on what goes on in your organization?” The present study measured such general control, plus control over specific task-relevant responsibilities. Data were obtained from 526 individuals at four hierarchical levels in 20 regional offices of an insurance company. Predicted relationships between total general control and task-relevant control and an independent measure of effectiveness were only partially supported. The general manager's control was more important than expected. However, measuring task-relevant control could be a useful management tool, and could help future research explicate relationships between control and effectiveness.