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31.
A field experiment was conducted in an educational setting to investigate affective reactions occurring at different phases of the delivery of a service. An eight-minute delay caused more negative affective reactions when it occurred either before the service started (preprocess) or after the service had terminated (postprocess) than when it occurred in the middle of the service encounter (in-process). No differences were observed for positive affect. Field theory is proposed as a theoretical framework to account for the results, and practical applications for addressing the social problem of structuring waiting environments are discussed.  相似文献   
32.
The purpose of this research was to examine care giving to the elderly from a gender role perspective. Data were collected from a randomized sample of Québec care givers (n=294) who provide various levels of care giving to people with different kinds of impairments. The results indicate that although women provide more care than men, both experience an equivalent burden. Familial obligations (Presence of a Spouse × Presence of Children) affect men and women care givers differently. An intersex generation effect is evident with regard to professional burden: husband care givers report a greater burden than wives, whereas daughters and sons report the same level. The findings suggest that men have more difficulty assuming responsibilities associated with multiple roles, whereas women have adopted new roles in addition to the traditionally ascribed care-giving role.The research reported in this paper is part of a study funded by the Conseil québécois de la recherche sociale, the Social Sciences and Humanities Research Council of Canada, and the Ministère de la Santé et des Services sociaux. The authors wish to thank Jocelyne Boivin for her helpful work with the documentation and Lottie White for her help with the English version of this paper, as well as the anonymous reviewers of whose judicious comments were greatly appreciated.  相似文献   
33.
The three experiments reported show that judgments of elapsed time between events depend on perceived causal relations between the events. Participants judged pairs of causally related events to occur closer together in time than pairs of causally unrelated events that were separated by the same actual time interval. The causality-time relationship was first demonstrated for time judgments about historical events. Causally related events were judged to be significantly closer together in time than causally unrelated events. In two subsequent experiments, perceived causality was manipulated by providing expert information and by asking the participants themselves to imagine causal relationships between the to-be-judged events. Again, substantial and reliable effects of perceived causality were obtained. Our results suggest that people use strength of perceived causality as a cue to infer temporal distance.  相似文献   
34.
Opioid overdose and opioid use disorder continue to be significant public health challenges despite the availability of effective medications and significant efforts at all levels of society. The emergence of highly potent and efficacious opioids such as fentanyl and its derivatives over the last decade has only exacerbated what was already a substantial problem. Behavioral pharmacology research has proven invaluable for understanding the effects of drugs as well as developing and evaluating pharmacotherapies for disorders involving the central nervous system, including substance abuse disorders. This paper describes a program of research characterizing a potent, selective, and long-lasting mu opioid receptor antagonist, methocinnamox, and evaluating its potential for treating opioid overdose and opioid use disorder. Studies in rodents and nonhuman primates demonstrate that methocinnamox prevents and reverses opioid-induced ventilatory depression and selectively blocks opioid self-administration. This work, taken together with rigorous in vitro and ex vivo studies investigating methocinnamox neuropharmacology, lays a solid foundation for the therapeutic utility of this potentially life-saving medication. Moreover, these studies demonstrate how rigorous behavioral pharmacological studies can be integrated in a broader drug discovery and development research program.  相似文献   
35.
Exteroceptive suppression (ES) of temporalis muscle activity has received recent attention as a method of investigating central mechanisms in the pathogenesis of chronic headache disorders. Unfortunately, the resolution of conflicting findings has been hampered by the use of different assessment and scoring methodologies across laboratories, which has limited the direct comparison of findings across studies. A computer program was developed with the goal of providing an automated and reliable method of scoring ES responses. Processing an ES response with this software provides both visual and quantitative information relating to various response parameters. Multiple levels of smoothing the raw waveform data are available, and the software offers scoring on the basis of multiple depth-of-suppression criteria. The program also generates values for a variety of ES parameters: latency, duration, area, maximum level of suppression with its corresponding time (msec), and baseline level of muscle activity. It is likely that a reliable and standardized scoring protocol would enhance comparability of ES data generated across different settings.  相似文献   
36.
The study of the hierarchical organization of psychological distress dimensions is plagued by numerous theoretical and methodological problems. The researcher must take into account the respective value of unidimensional and multidimensional conceptualizations and the complex debates between factor analysis experts. The main purpose of the present study is to demonstrate the construct validity of a hierarchical model of psychological distress. The sample consisted of 150 outpatients of the University of Montreal Psychology Clinic which completed the Psychiatric Symptoms Inventory. The results of first-order and second-order confirmatory factor analyses show the value of a hierarchical conceptualization of psychological distress. However, an examination of normalized residuals, total direct effects and modification indexes reveals the inadequacy of some items from the anxiety and cognitive problems subscales. The theoretical implications of these results are discussed.  相似文献   
37.
Habituation of the orienting response is a pivotal part of selective attention, and previous research has related working memory capacity (WMC) to attention control. Against this background, the purpose of this study was to investigate whether individual differences in WMC contribute to habituation rate. The participants categorized visual targets across six blocks of trials. Each target was preceded either by a standard sound or, on rare trials, by a deviant. The magnitude of the deviation effect (i.e., prolonged response time when the deviant was presented) was relatively large in the beginning but attenuated toward the end. There was no relationship between WMC and the deviation effect at the beginning, but there was at the end, and greater WMC was associated with greater habituation. These results indicate that high memory ability increases habituation rate, and they support theories proposing a role for cognitive control in habituation and in some forms of auditory distraction.  相似文献   
38.
The aim of this longitudinal study was to assess the stability and determinants of the intention to adopt HRT over a one-year period using the Theory of Planned Behaviour. At baseline, a total of 644 middle-aged premenopausal women who had never used HRT, were recruited. At follow-up, 417 women completed an interview to assess any change in their reproductive status and in their behavioural intention. Among women who stayed premenopausal (n = 172) and among those who became perimenopausal (n = 209), the intention to adopt HRT was quite stable over the one-year period. However, being perimenopausal had a significant effect on the intention to adopt HRT at follow-up, as did subjective norm, perceived behavioural control and moral norm measured at baseline. Attitude towards HRT did not have a significant effect on the intention to adopt HRT one year later. Therefore, interventions to support women's decision-making about HRT should be tailored to their menopausal status and take into account their perception of social pressure to perform, control over this behaviour and moral obligation.  相似文献   
39.
Abstract

The impact of the Shaughnessy Hospital closure on a sample of full-time health care employees (n = 59) is examined within the context of the restructuring of the British Columbia health care system. Employee concerns focused on lack of consultation, concern for patients, and their own well being. Results from a repeated measures ANOVA (pre- and post-closure) revealed that the negative emotions (e.g., anxious, distressed, angry, nervous) associated with the closure did not dissipate until a full year after the announcement of the hospital closure. A pooled time series analysis (n = 177) found that both social support and positive coping activities were associated with greater coping effectiveness, perceptions of justice, and fewer sick days. The study findings suggest that health care organizations going through closure or restructuring activities should explore interventions which improve communication, develop supervisory support, provide employee assistance or counseling, and offer training interventions which help employees to maintain a positive mental outlook.  相似文献   
40.
In this study, we explored the predictive role of family interactions and family representations in mothers and fathers during pregnancy for postnatal mother–father–infant interactions during the first 2 years after birth. Families (N = 42) were seen at the fifth month of pregnancy and at 3 and 18 months after birth. During pregnancy, parents were asked to play with their baby at the first meeting by using a doll in accordance with the procedure of the prenatal Lausanne Trilogue Play (LTP; A. Corboz‐Warnery & E. Fivaz‐Depeursinge, 2001; E. Fivaz‐Depeursinge, F. Frascarolo‐Moutinot, & A. Corboz‐Warnery, 2010). Family representations were assessed by administering the Family System Test (T. Gehring, 1998). Marital satisfaction and the history of the couple were assessed through self‐reported questionnaires. At 3 and 18 months, family interactions were assessed in the postnatal LTP. Infant temperament was assessed through parent reports. Results show that (a) prenatal interactions and child temperament are the most important predictors of family interactions and (b) paternal representations are predictive of family interactions at 3 months. These results show that observational assessment of “nascent” family interactions is possible during pregnancy, which would allow early screening of family maladjustment. The findings also highlight the necessity of taking into account paternal representations as a significant variable in the development of family interactions.  相似文献   
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