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31.
Through social network sites such as Facebook, people gain information about acquaintances that they would not gain from everyday life. This information typically highlights the most positive aspects of people’s personalities and lives. The goal of this investigation was to determine whether looking at another user’s Facebook profile influences perceptions of that individual’s socially desirable characteristics (e.g., intelligence, attractiveness). One group of participants viewed an acquaintance’s Facebook profile before providing evaluations, and the other evaluated the person without viewing Facebook. Results revealed that participants who viewed another person’s Facebook profile evaluated that person more favorably than those who completed a control task (Study 1) or wrote about the person from memory (Study 2). Theoretical and practical implications are discussed. 相似文献
32.
Pseudocontingencies in Consumer Choice: Preference for Prevalent Product Categories Decreases with Decreasing Set Quality
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Building on theorizing about contingency inferences, the present research deals with the impact of product category prevalence on consumer choice. We argue that a category's prevalence in the choice set can signal high quality, but the validity depends on the aggregate quality of the choice set. With ever more low‐quality products in the set, high prevalence should increasingly signal poor rather than high quality. When choosing from a poor‐quality set, choices should thus favor products from the rare category. In four experiments, we show that poor‐quality sets increase the proportion of consumers choosing products from a rare category. Furthermore, we show that these effects increase when base rates of a category and quality become more extreme. Finally, Experiment 4 shows that contingency inferences partly mediate the effect of set quality on choice. The results extend previous research on contingency inferences, indicating the adaptive use of base‐rate information in consumer decision making. Copyright © 2017 John Wiley & Sons, Ltd. 相似文献
33.
Cheri?A.?Levinson Thomas?L.?RodebaughEmail author Tiffany?Frye 《Journal of psychopathology and behavioral assessment》2011,33(1):87-100
The Behavioral Inhibition System and Behavioral Activation System Scales (BIS/BAS scales) are the most widely used measures
designed to assess Gray’s Reinforcement Sensitivity Theory. However, questions remain regarding its factor, convergent, and
discriminant validity. We assessed these properties in two samples of undergraduates (N = 723, N = 103). In Study 1, confirmatory factor analysis supported previous findings that suggested removal of several items, resulting
in acceptable fit for a four-factor model. Convergent and discriminant validity were assessed for the original and revised
scales. In Study 2, a public speaking task was used to assess validity of the scales in reference to positive/negative affect.
Convergent and discriminant validity for the revised scales were not substantially different from the original scales. We
suggest that future researchers should consider the use of the revised measure we describe. We also suggest that the creation
of a revised BIS/BAS scale using new items may be warranted. 相似文献
34.
One of the major obstacles to seeking psychological help is the stigma associated with counseling and therapy. Self-stigma, the fear of losing self-respect or self-esteem as a result of seeking help, is an important factor in the help-seeking process. In the present study, college students meeting a clinical cutoff for psychological symptoms participated in 1 session of group counseling that either contained therapist self-disclosure or did not. In general, participants reported significantly less self-stigma following the session. Working alliance-bond and session depth significantly predicted the change in self-stigma. Furthermore, self-stigma (as well as bond, depth, psychological symptoms, and being female) predicted the intention to seek help following the session. Self-stigma and session depth also predicted interest in continuing with counseling. The therapist self-disclosure condition, however, had no effect on the change in self-stigma, intentions to seek help, or interest in continuing with group counseling. 相似文献
35.
It has been shown that we have a highly capacity-limited representational space with which to store objects in visual working memory. However, most objects are composed of multiple feature attributes, and it is unknown whether observers can voluntarily store a single attribute of an object without necessarily storing all of its remaining features. In this study, we used a masking paradigm to measure the efficiency of encoding, and neurophysiological recordings to directly measure visual working memory maintenance while subjects viewed multifeature objects and were required to remember only a single feature or all of the features of the objects. We found that measures of both encoding and maintenance varied systematically as a function of which object features were task relevant. These experiments show that individuals can control which features of an object are selectively stored in working memory. 相似文献
36.
Michael W. Beets Randy Vogel Stanley Chapman Kenneth H. Pitetti Bradley J. Cardinal 《Sex roles》2007,56(1-2):125-131
In this study we examined the relationships among parental social supportive behaviors for children’s weekday and weekend
outdoor physical activity (OPA). Thirty-nine girls and 29 boys 8 to 11 years wore pedometers for 7 days. Sixty-five mothers
and 50 fathers responded to a social support questionnaire about OPA that was comprised of four dimensions: encouragement,
playing with, use of activity as family recreation, and watch. After controlling for age and sport participation, regression
analyses indicated that mothers’ use of activity as recreation was positively associated with girls’ weekday OPA. On the weekend,
fathers’ play with son was positively related to OPA. The effectiveness of family-based activity interventions depends on
when parents have opportunities to be present for their child’s activity and gender differences in the support provided. 相似文献
37.
Ordinality is – beyond numerical magnitude (i.e., quantity) – an important characteristic of the number system. There is converging empirical evidence that (intra)parietal brain regions mediate number magnitude processing. Furthermore, recent findings suggest that the human intraparietal sulcus (IPS) supports magnitude and ordinality in a domain-general way. However, the latter findings are derived from adult studies and with respect to children (i.e., developing brain systems) both the neural correlates of ordinality processing and the precise role of the IPS (domain-general vs. domain-specific) in ordinality processing are thus far unknown. The present study aims at filling this gap by employing functional magnetic resonance imaging (fMRI) to investigate numerical and non-numerical ordinality knowledge in children with and without developmental dyscalculia. In children (without DD) processing of numerical and non-numerical ordinality alike is supported by (intra)parietal cortex, thus extending the notion of a domain-general (intra)parietal cortex to developing brain systems. Moreover, activation extents in response to numerical ordinality processing differ significantly between children with and without dyscalculia in inferior parietal regions (supramarginal gyrus and IPS). 相似文献
38.
Lynnda M Dahlquist Jennifer Shroff Pendley Donna S Landthrip Cheri L Jones C Philip Steuber 《Health psychology》2002,21(1):94-99
This study evaluated a distraction intervention designed to reduce the distress of preschool children undergoing repeated chemotherapy injections. Twenty-nine children aged 2-5 years were randomly assigned either to distraction by a developmentally appropriate electronic toy or to a wait-list control. Children who received the distraction intervention demonstrated lower overt behavioral distress and were rated by parents and nurses as less anxious than children in the control condition. The improvements were maintained over the 8-week intervention. The results suggest that a developmentally appropriate, multisensory, variable-distracting activity that requires active cognitive processing and active motor responses may be a viable cost-effective alternative to more time-intensive parent-training programs for preschool-age children. 相似文献
39.
This research investigated cognitive processes affecting the accuracy of performance evaluation. One hundred and twenty-five nurses from three hospitals completed questionnaires measuring their cognitive categorization processes and then rated a videotaped nurse's performance. Results focusing on the match between raters' cognitive categories and rating scales indicated that: a) rating accuracy was related to the match between raters' cognitive category dimensions and rating scale dimensions, but b) not related to the match between rating scales and raters' general tendency to describe ratees in terms of behavioral or trait characteristics. Raters' ability to differentiate clearly between rating dimensions was related to accuracy and to halo in ratings. Finally, work experience was related to raters' cognitive systems while prior rating experience was important for accuracy. Limitations of the study and implications for future research are discussed. 相似文献
40.
Christiane H. May Helen C. Sing Richard Cephus Siegfried Vogel Elias K. Shaya Henry N. Wagner 《Behavior research methods》1996,28(1):23-26
Movement activity of a normal baboon and of a baboon with induced Parkinsonism by unilateral administration of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) was recorded by the Walter Reed Activity Monitor (or actigraph). Mean activity in the lesioned baboon was 41% less than that of the nonlesioned baboon measured over a 14-day period. In addition, the daily maximum activity value was significantly less in the MPTP-treated baboon. Moreover, resting and sleeping periods were 30% greater in the lesioned animal. The akinesia and resting and sleeping periods were displayed by the lesioned baboon throughout the day, whereas the control baboon showed them only at night. The data representing summarized movement activity are in accordance with observations of bradykinesia, hypokinesia, and akinesia of the MPTP-treated baboon. The actigraph was well tolerated by the animal because its small size and weight made it largely unobtrusive. We suggest that the actigraph is an appropriate device for measuring motor activity in nonhuman primates. 相似文献