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1.
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.  相似文献   
2.
Public goods theories highlight an incentive system that rewards ‘free riding’ on the contributions of early contributors toward collective actions. However, because such theories focus on creation of the good, they may underestimate returns that accrue to early contributors subsequent to the good's realization. The concept of formative investment is introduced here to describe the extent to which organizations help to create public goods such as interorganizational linkages like participatory federations. Data from the CEOs of 48 organizations involved in a participatory federation were used to assess how an organization's level of formative investment is related to later patterns of dependency and interaction among federation members. Findings suggest that from a long‐term perspective, and for goods that involve communication and interaction, the incentive structure may not be so favorable for free riders. To the extent that organizations with high formative investment have the capability to envision the future and communicate that vision to potential federation partners, they may be able to both reduce free riding and secure for themselves advantageous positions in the subsequent network of relations.  相似文献   
3.
Molecular sequence data, made available in the last 15 years or so, have led to the classification of living cells into three phylogenetic domains: Bacteria, Archaea, and Eucarya. All the organisms that have been tested belonging to either domain were capable of mounting a stress response with essentially the same characteristics, regardless of the stressor. The protagonists in the cell's stress response are the stress genes and their protein products. Some of the latter are molecular chaperones. Under physiological conditions, these chaperones aid other cellular proteins to fold properly and achieve a native -functional- configuration, and to translocate from the place of synthesis to the cell's locale in which they will operate. In a stressed cell, the stress proteins that are chaperones protect other molecules from denaturation and help those partially damaged to regain a functional configuration. Thus, cell death is avoided and recovery is enhanced. The study of stress genes and proteins has progressed considerably in organisms belonging to the domains Bacteria and Eucarya. Less is known about the archaeal stress genes. Here, research with an organism from the Archaea is discussed, focusing on the stress genes of the hsp70 (dnaK) locus. Future perspectives for basic and applied research within the health sciences and biotechnology industries are presented.  相似文献   
4.
In order to determine what variables contribute to or detract from the inter- personal attraction of a successful career woman, 80 male and 80 female introductory psychology students at a large western state university viewed one of eight different videotapes of a female stimulus person discussing aspects of her career and homelife. Two levels of occupation (traditional vs. nontraditional), two levels of competcnce (high vs. low), and two levels of role overload (high vs. low) were factorially varied for each videotape. The Attitudes toward Women Scale (AWS) was used as a covariate, thereby equalizing attitudes between the sexes. A multivariate analysis of covariance was performed on the data. Results indicated that all main effects-competence, role overload, occupation, and sex of subjects-were significant. Also significant was a sex of subject by occupation interaction and two three-way interactions. These results were discussed in the context of how they increase our understanding of college students' perceptions of successful career women.  相似文献   
5.
Two parallel experiments used pigeons in a transfer of control design to determine the basis of the transfer of the use of the “advance strategy” across successive discriminations (W. K. Honig & H. Lindsay, Learning and Motivation, 1975, 6, 157–178). Pigeons were first trained under instrumental contingencies to use an “advance” response to maximize their exposure to SD and minimize their exposure to SΔ. Then orthogonal stimuli (key lights in Experiment 1 and diffuse illuminations in Experiment 2) were independently established through separate discriminative Pavlovian procedures as CS+ and CS? or as CSo's. Later in special tests, it was demonstrated that the associative values of the Pavlovian CS's were a major factor governing the use of the advance strategy: only pigeons exposed to CS+CS? used the advance response to regulate their exposure to either CS. Although these experiments showed that the necessary and sufficient conditions for utilization of the advance strategy are the Pavlovian associative values of the discriminative stimuli, opportunity for differential “operant” responding during the discriminative stimuli seems to be a contributor to the optimal use of the advance response across successive discriminations.  相似文献   
6.
This study surveyed a randomly selected group of Approved Supervisors of the American Association for Marriage and Family Therapy (n = 280) and their supervisees (n = 266) on their perceptions of the primary supervisor interpersonal skill used in supervisory incidents that had a positive effect on supervisee development. Supervisor directiveness was the most identified skill by both supervisors and supervisees.This study was funded in part by grants from the Research Committee of the American Association for Marriage and Family Therapy; the Agricultural Experiment Station, Purdue University; and the School of Liberal Arts and Sciences, Purdue University Calumet.  相似文献   
7.
REDUCING THE EXPRESSION OF RACIAL PREJUDICE   总被引:2,自引:0,他引:2  
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8.
The purpose of the present study was to evaluate the effectiveness of an intervention program designed to train preschool children in interpersonal problem solving skills. Forty preschool age children were randomly assigned to an experimental or control group. Experimental subjects were trained in interpersonal problem solving skills for ten weeks, four days per week, for a total of 10–13 hours. Problem-solving skills were assessed at pretest, posttest, and three months after training was completed. Seventy-eight percent of the children who participated in pretest and posttest were tested at follow-up. Results indicated that the experimental group, compared to the control group, showed a significant increase in both cognitive—verbal and behavioral interpersonal problem-solving skills from pretest to posttest and that these changes were maintained at follow-up testing. Discussion focuses on suggestions for future research and implications for applied settings.  相似文献   
9.
A system is described that digitizes rodent vocalizations after the signals have passed through a spectrum analyzer. The system’s capacity to record simultaneously from all frequencies in a range selected by the experimenter is demonstrated. In the graphic display, both single and simultaneous multiple vocalizations of rats ranging freely in large experimental rooms are presented. The capacity of this system to record simultaneous vocalizations in a form that permits rapid analysis of many of the parameters of the signals is especially useful in the analysis of rodent social behavior.  相似文献   
10.
Induced abortion is one of the most controversial moral issues in American culture, but counselor value struggles regarding abortion are seldom addressed in counseling literature. This article considers the conflictual nature of the the ethical principles of autonomy, fidelity, justice, beneficence, and nonmaleficence as they can occur within the context of the counseling relationship, particularly with clients considering abortion. In addition, the authors present strategies for counselor self-evaluation, offer recommendations, and provide questions to facilitate ethical decision making.  相似文献   
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