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61.
Dealing with Big Numbers: Representation and Understanding of Magnitudes Outside of Human Experience
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Being able to estimate quantity is important in everyday life and for success in the STEM disciplines. However, people have difficulty reasoning about magnitudes outside of human perception (e.g., nanoseconds, geologic time). This study examines patterns of estimation errors across temporal and spatial magnitudes at large scales. We evaluated the effectiveness of hierarchical alignment in improving estimations, and transfer across dimensions. The activity was successful in increasing accuracy for temporal and spatial magnitudes, and learning transferred to the estimation of numeric magnitudes associated with events and objects. However, there were also a number of informative differences in performance on temporal, spatial, and numeric magnitude measures, suggesting that participants possess different categorical information for these scales. Educational implications are discussed. 相似文献
62.
Bogart LM Wagner GJ Galvan FH Landrine H Klein DJ Sticklor LA 《Cultural diversity & ethnic minority psychology》2011,17(3):295-302
People living with HIV (PLWH) exhibit more severe mental health symptoms, including depression and posttraumatic stress disorder (PTSD) symptoms, than do members of the general public. We examined whether perceived discrimination, which has been associated with poor mental health in prior research, contributes to greater depression and PTSD symptoms among HIV-positive Black men who have sex with men (MSM), who are at high risk for discrimination from multiple stigmatized characteristics (HIV-serostatus, race/ethnicity, sexual orientation). A total of 181 Black MSM living with HIV completed audio computer-assisted self-interviews (ACASI) that included measures of mental health symptoms (depression, PTSD) and scales assessing perceived discrimination due to HIV-serostatus, race/ethnicity, and sexual orientation. In bivariate tests, all three perceived discrimination scales were significantly associated with greater symptoms of depression and PTSD (i.e., reexperiencing, avoidance, and arousal subscales; all p values < .05). The multivariate model for depression yielded a three-way interaction among all three discrimination types (p < .01), indicating that perceived racial discrimination was negatively associated with depression symptoms when considered in isolation from other forms of discrimination, but positively associated when all three types of discrimination were present. In multivariate tests, only perceived HIV-related discrimination was associated with PTSD symptoms (p < .05). Findings suggest that some types of perceived discrimination contribute to poor mental health among PLWH. Researchers need to take into account intersecting stigmata when developing interventions to improve mental health among PLWH. 相似文献
63.
Shorey RC Brasfield H Febres J Stuart GL 《Journal of aggression, maltreatment & trauma》2011,20(8):870-885
The perpetration of aggression in dating relationships is a prevalent problem among college students. Research that examines factors related to perpetrating dating violence is needed, as this could help guide prevention programming. This study examined how emotion regulation is related to dating violence perpetration among male and female college students (N = 440). Findings showed that the association between broad difficulties with emotion regulation, as well as more specific emotion regulation problems, were associated with dating violence perpetration and could differentiate individuals who had perpetrated and not perpetrated aggression. These findings varied slightly depending on the gender of the perpetrator and the type of aggression examined. Implications of these findings for prevention programs and future research are discussed. 相似文献
64.
Guided by the American Psychological Association's principles of evidence-based practice, this article reviews a single-case treatment outcome study whereby a client characteristic, sexual identity, was integrated into the assessment and treatment of social anxiety symptoms. The case involved a young adult European-American male who presented to a training clinic with a primary diagnosis of social anxiety disorder as well as secondary symptoms of excessive worry and concerns of sexual identity confusion. Recent evidence suggests that gay men report more symptoms of social anxiety when compared to heterosexual men, and those who make more efforts to conceal their sexual identity experience increased anxiety and have greater difficulty committing to a personal identity. Further, it has been hypothesized that fear of rejection from heterosexual individuals underlies this anxiety. The client attended 50 sessions over the course of 18 months. Treatment progress was assessed via self-report questionnaires assessing social anxiety and worry. Consistent with principles of evidence-based practice, a cognitive behavioral treatment protocol was employed at the outset of therapy and resulted in a decline in the client's social anxiety scores. However, once the case conceptualization and treatment focus shifted to focus on sexual identity, his scores continued to decline at an even steeper rate. He ultimately came to identify himself as having a same-sex sexual orientation, began living his life in a manner consistent with that identification, and reported a number of positive outcomes at termination of therapy. Implications for treatment of social anxiety in sexual minorities are discussed. 相似文献
65.
Judith A. Hall Susan A. Andrzejewski Nora A. Murphy Marianne Schmid Mast Brian A. Feinstein 《Journal of research in personality》2008
Tests of accuracy in interpersonal perception take many forms. Often, such tests use designs and scoring methods that produce overall accuracy levels that cannot be directly compared across tests. Therefore, progress in understanding accuracy levels has been hampered. The present article employed several techniques for achieving score equivalency. Mean accuracy was converted to a common metric, pi [Rosenthal, R., & Rubin, D. B. (1989). Effect size estimation for one-sample multiple-choice-type data: Design, analysis, and meta-analysis. Psychological Bulletin, 106, 332–337] in a database of 109 published results representing tests that varied in terms of scoring method (proportion accuracy versus correlation), content (e.g., personality versus affect), number of response options, item preselection, cue channel (e.g., face versus voice), stimulus duration, and dynamism. Overall, accuracy was midway between guessing level and a perfect score, with accuracy being higher for tests based on preselected than unselected stimuli. When item preselection was held constant, accuracy was equivalent for judging affect and judging personality. However, comparisons must be made with caution due to methodological variations between studies and gaps in the literature. 相似文献
66.
M. Joseph Sirgy Nora P. Reilly Jiyun Wu David Efraty 《Applied research in quality of life》2008,3(3):181-202
QWL is conceptualized in terms of the interface between employee role identities and work resources. QWL programs serve to
enhance QOL by (1) providing appropriate work resources to meet the expectations of employee role identities, (2) reducing
role conflict in work and non-work life, (3) enhancing multiple role identities, (4) reducing role demands, (5) reducing stress
related to work and non-work role identities, and (6) increasing the value of the role identity. We describe a variety of
QWL programs related to work life (decentralized organization structures, teamwork, parallel structures, ethical corporate
mission and culture, the organization work schedule, etc.) and non-work life (work at home, flextime, compressed work week,
part-time work arrangements, job sharing, etc.) and show how they serve to enhance QOL using the language of work-life identity.
Doing so helps develop a research agenda based on the work-life identify model. 相似文献
67.
Exposure-based therapies are efficacious treatments for social anxiety disorder (i.e., Gould et al., 1997). Much of the theory behind these treatments is derived from Foa and colleagues' (Foa, Huppert, & Cahill, 2005; Foa & Kozak, 1986) work on emotional processing. However, there has been little research examining individual differences in emotional processing patterns within and between treatment sessions among clients with social anxiety disorder. This study utilized longitudinal data analytic methods to examine changes in subjective anxiety during the first 3 exposure sessions in group and individual cognitive-behavioral therapy for social anxiety disorder. The results of this study provide preliminary evidence that, although anxiety generally decreases across exposures, some individuals experience considerable fluctuations in anxiety during a single exposure. Although anxiety during the first exposure was not significantly related to outcome, the relationship between anxiety during exposure and outcome became stronger during subsequent exposures. Overall, this study highlights the need to conduct more fine-grained analyses to better understand the mechanisms underlying exposure-based therapies for social anxiety disorder. 相似文献
68.
Being able to reorient to the spatial environment after disorientation is a basic adaptive challenge. There is clear evidence that reorientation uses geometric information about the shape of the surrounding space. However, there has been controversy concerning whether use of geometry is a modular function, and whether use of features is dependent on human language. A key argument for the role of language comes from shadowing findings where adults engaged in a linguistic task during reorientation ignored a colored wall feature and only used geometric information to reorient [Hermer-Vazquez, L., Spelke, E., & Katsnelson, A. (1999). Sources of flexibility in human cognition: Dual task studies of space and language. Cognitive Psychology, 39, 3-36]. We report three studies showing: (a) that the results of Hermer-Vazques et al. [Hermer-Vazquez, L., Spelke, E., & Katsnelson, A. (1999). Sources of flexibility in human cognition: Dual task studies of space and language. Cognitive Psychology, 39, 3-36] are obtained in incidental learning but not with explicit instructions, (b) that a spatial task impedes use of features at least as much as a verbal shadowing task, and (c) that neither secondary task impedes use of features in a room larger than that used by Hermer-Vazquez et al. These results suggest that language is not necessary for successful use of features in reorientation. In fact, whether or not there is an encapsulated geometric module is currently unsettled. The current findings support an alternative to modularity; the adaptive combination view hypothesizes that geometric and featural information are utilized in varying degrees, dependent upon the certainty and variance with which the two kinds of information are encoded, along with their salience and perceived usefulness. 相似文献
69.
Nora Madjar 《Journal of Occupational & Organizational Psychology》2008,81(1):83-100
This study examined relations between employee creativity and emotional and informational support provided by three sources: individuals in the primary work unit, other work‐related individuals and non‐work‐related individuals. I also examined whether openness to experience moderated these relations. Results showed significant relations between creativity and emotional support from primary unit and other work‐related individuals, and informational support from primary unit and non‐work‐related individuals. Emotional support from non‐work‐related individuals had a stronger relation to creativity for employees low on openness to experience than for those high on openness. Implications of these results for organizational research and practice are discussed. 相似文献
70.
When mobile organisms are spatially disoriented, for instance by rapid repetitive movement, they must re-establish orientation. Past research has shown that the geometry of enclosing spaces is consistently used for reorientation by a wide variety of species, but that non-geometric features are not always used. Based on these findings, some investigators have postulated a species-universal 'geometric module' that is transcended by the acquisition of spatial language at 6 years. This conclusion has been challenged, however, by findings that children as young as 18 months actually do use features to reorient in larger enclosures than those used in the original experiments. The reason for the room size effect is explored here in five experiments. Collectively, the data on age at which features are first used point to the importance of both restriction of movement in the small space and the fact that features are closer in the small space. In addition, success is seen at younger ages when the target object is adjacent to the feature. These results favor an adaptive combination model of spatial reorientation over a 'module-plus-language' view. 相似文献