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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.
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.  相似文献   
3.
Periodic evaluations of genetic counseling services are useful for determining the effectiveness of counseling in meetings its psycho-educational aims, as well as identifying where improvements to the service may be made. This study aimed to evaluate the genetic counseling services provided by Genetic Services of Western Australia (GSWA) to determine the impact of counseling on client expectations, satisfaction with the service, and psychological adjustment, defined as wellbeing and perceived personal control (PPC). A total of 122 clients participated in a self-administered survey conducted pre- and post-counseling. Client expectations of the service as a means of providing information were met, and opportunities for counselors to meet client’s expectations of psychological support were identified. Furthermore, counseling was found to maintain and enhance psychological wellbeing of clients. The role of counseling in facilitating the development of PPC was a key contributor to a high sense of satisfaction in clients.  相似文献   
4.
We introduce the equational notion of a monadic bounded algebra (MBA), intended to capture algebraic properties of bounded quantification. The variety of all MBA’s is shown to be generated by certain algebras of two-valued propositional functions that correspond to models of monadic free logic with an existence predicate. Every MBA is a subdirect product of such functional algebras, a fact that can be seen as an algebraic counterpart to semantic completeness for monadic free logic. The analysis involves the representation of MBA’s as powerset algebras of certain directed graphs with a set of “marked” points.  相似文献   
5.
Masochism is a complex and intriguing phenomenon. Self-attack may serve many purposes. Some patients suffer through harsh self-criticism, bodily harm, or even tormenting thoughts of death, without actually killing themselves. Some of these patients ultimately may go on to die by suicide, but for many, the self-torturing aspect may exist independently in acute or chronic forms. This paper addresses the complex relationship between masochism and suicide as two separate yet interconnected phenomena.  相似文献   
6.
Although organizations are increasingly using interactive voice response (IVR) systems to help screen and select job applicants, few if any published studies have investigated the effectiveness of such systems. The current study responded to this need by evaluating a biodata inventory administered via IVR technology. A predictive validity study revealed that both a 42-item biodata measure and a more parsimonious 6-item composite correlated with supervisor ratings of performance and did not result in adverse impact or differential prediction. In addition, a utility analysis indicated that both IVR biodata measures would likely result in considerable financial gains to the hiring organization. The implications of these results for selection research and practice are discussed.  相似文献   
7.
Reflexivity is qualitative researchers’ thoughtful and self-aware examination of the intersubjective dynamics between themselves and study participants, evoking insightful understanding of others. Novice qualitative researchers need to acquire reflexive skills for their professional development. In this article, we examine reflexivity among Israeli students on a qualitative research course. We conducted thematic content analysis of the data gathered from the students’ written reflexive journals. Reflexivity was demonstrated by three dimensions in each stage of the students’ experience of learning qualitative research: (1) ‘I as a person’, relating to students’ critical personal perspective; (2) ‘I as a researcher’, referring to the students’ insights about their evolving competencies as researchers; and (3) ‘I as an individual in a sociocultural context’, stressing students’ awareness of their values, beliefs and norms. These findings are discussed, highlighting four key concepts in qualitative research: Taken-for-Granted Expectations; Experience of Discovery; Resonance, and Meaning Making and Insights.  相似文献   
8.
Some psychotic patients fall into acute persecutory panic, a subjective experience of helpless terror in the face of anticipated imminent annihilation or dismemberment. These states occur in a wide range of psychotic illnesses and are often associated with command hallucinations and fear of homosexual assault. In a desperate attempt to escape from imaginary enemies, such patients often attack themselves and imagine suicide is survivable. This article addresses the dread of homosexual assault, previously referred to as homosexual panic, and its relationship to patients who attack themselves in a state of desperate psychotic persecution.  相似文献   
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10.
Goal orientation is a multidimensional construct widely examined by social, organizational, educational, and sports psychology researchers. However, despite theoretical perspectives indicating that individuals can adopt or manifest more than one goal orientation simultaneously, researchers traditionally examine relationships between the goal orientation dimensions and outcome variables of interest independently. In contrast, this study was designed to examine whether individuals can be sorted into meaningful goal orientation profiles based on their scores on measures of learning, performance–approach, and performance–avoidance goal orientation, and the relationships between the resulting profiles and various dispositional and motivational variables. Our results indicated that a 4-profile solution best fit our data and that the 4 profiles differed uniquely across our dependent variables.  相似文献   
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