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511.
Derrick G. Watson Jason J. Braithwaite Glyn W. Humphreys 《Attention, perception & psychophysics》2008,70(8):1526-1539
Visual search can benefit when one set of distractors is presented as a preview, prior to the appearance the second set of distractors plus the target (Watson & Humphreys, 1997). It has been shown that changing the shape of the old, previewed stimuli when the new items appear causes the old stimuli to recompete for selection with the new ones. In contrast, changing the luminance or color of the old stimuli has no detrimental effects. Here, we present five experiments that reassessed the effect of luminance changes in preview search. We show (1) that preview search is remarkably resistant to large changes in the absolute luminance of the old stimuli, even when those changes would ordinarily be sufficient to signal the appearance of a new object and draw attention (Experiments 1 and 2), and (2) that resistance to luminance changes can be bolstered by feature-based inhibitory processes (Experiments 3–5). These findings are discussed in terms of the possible ecological properties of time-based visual selection and possible mechanisms underlying the preview benefit. 相似文献
512.
Two experiments pitted the default-interventionist account of belief bias against a parallel-processing model. According to the former, belief bias occurs because a fast, belief-based evaluation of the conclusion pre-empts a working-memory demanding logical analysis. In contrast, according to the latter both belief-based and logic-based responding occur in parallel. Participants were given deductive reasoning problems of variable complexity and instructed to decide whether the conclusion was valid on half the trials or to decide whether the conclusion was believable on the other half. When belief and logic conflict, the default-interventionist view predicts that it should take less time to respond on the basis of belief than logic, and that the believability of a conclusion should interfere with judgments of validity, but not the reverse. The parallel-processing view predicts that beliefs should interfere with logic judgments only if the processing required to evaluate the logical structure exceeds that required to evaluate the knowledge necessary to make a belief-based judgment, and vice versa otherwise. Consistent with this latter view, for the simplest reasoning problems (modus ponens), judgments of belief resulted in lower accuracy than judgments of validity, and believability interfered more with judgments of validity than the converse. For problems of moderate complexity (modus tollens and single-model syllogisms), the interference was symmetrical, in that validity interfered with belief judgments to the same degree that believability interfered with validity judgments. For the most complex (three-term multiple-model syllogisms), conclusion believability interfered more with judgments of validity than vice versa, in spite of the significant interference from conclusion validity on judgments of belief. 相似文献
513.
Allison Carter Saara Greene Deborah Money Margarite Sanchez Kath Webster Valerie Nicholson Jessica Whitbread Kate Salters Sophie Patterson Mona Loutfy Neora Pick Lori A. Brotto Catherine Hankins Angela Kaida 《Sex roles》2017,77(11-12):779-800
In the context of HIV, women’s sexual rights and sexual autonomy are important but frequently overlooked and violated. Guided by community voices, feminist theories, and qualitative empirical research, we reviewed two decades of global quantitative research on sexuality among women living with HIV. In the 32 studies we found, conducted in 25 countries and composed mostly of cis-gender heterosexual women, sexuality was narrowly constructed as sexual behaviours involving risk (namely, penetration) and physiological dysfunctions relating to HIV illness, with far less attention given to the fullness of sexual lives in context, including more positive and rewarding experiences such as satisfaction and pleasure. Findings suggest that women experience declines in sexual activity, function, satisfaction, and pleasure following HIV diagnosis, at least for some period. The extent of such declines, however, is varied, with numerous contextual forces shaping women’s sexual well-being. Clinical markers of HIV (e.g., viral load, CD4 cell count) poorly predicted sexual outcomes, interrupting widely held assumptions about sexuality for women with HIV. Instead, the effects of HIV-related stigma intersecting with inequities related to trauma, violence, intimate relations, substance use, poverty, aging, and other social and cultural conditions primarily influenced the ways in which women experienced and enacted their sexuality. However, studies framed through a medical lens tended to pathologize outcomes as individual “problems,” whereas others driven by a public health agenda remained primarily preoccupied with protecting the public from HIV. In light of these findings, we present a new feminist approach for research, policy, and practice toward understanding and enhancing women’s sexual lives—one that affirms sexual diversity; engages deeply with society, politics, and history; and is grounded in women’s sexual rights. 相似文献
514.
A Multilevel Examination of the Relationship Between Leader–Member Exchange and Work–Family Outcomes
Valerie J. Morganson Debra A. Major Michael L. Litano 《Journal of business and psychology》2017,32(4):379-393
Purpose
Recent work–family literature has identified leadership as an area for practical research inquiry. The purpose of the present study was to conduct a multilevel analysis that applies leader–member exchange (LMX) and conservation of resources theories as frameworks for optimizing subordinates’ work–family experiences.Design/Methodology/Approach
Effects of the interaction between individual-level and workgroup-level LMX on work–family outcomes were examined using web-based survey data from 765 information technology workers in 79 workgroups.Findings
High LMX was linked to reduced work interference with family, perceptions of managerial support, perceived career consequences, and organizational time demands. However, the benefits of high LMX were attenuated in the presence of low workgroup LMX for all outcomes except managerial support.Implications
Findings suggest that an individual’s work–family experiences are influenced by both self and others’ supervisory relationships and provide further support for the efficacy of multilevel examinations of LMX. Results support LMX theory as a framework for enhancing work–family outcomes. Through individual and group-level LMX, supervisors may foster perceptions that shape work–family micro-climates within the same organization.Originality/Value
This study focuses on a practical avenue for intervention (i.e., leadership) using a theoretically grounded approach. It uncovers a possible mechanism—high individual and group LMX—through which work–family outcomes can be improved. Additionally, this study answers calls in the work–family literature for research with implications for intervention and employs multilevel modeling.515.
Delay of gratification captures elements of temptation and self‐denial that characterize real‐life problems with money and other problem behaviors such as unhealthy risk taking. According to fuzzy‐trace theory, decision makers mentally represent social values such as delay of gratification in a coarse but meaningful form of memory called “gist.” Applying this theory, we developed a gist measure of delay of gratification that does not involve quantitative trade‐offs (as delay discounting does) and hypothesize that this construct explains unique variance beyond sensation seeking and inhibition in accounting for problem behaviors. Across four studies, we examine this Delay‐of‐gratification Gist Scale by using principal components analyses and evaluating convergent and divergent validity with other potentially related scales such as Future Orientation, Propensity to Plan, Time Perspectives Inventory, Spendthrift‐Tightwad, Sensation Seeking, Cognitive Reflection, Barratt Impulsiveness, and the Monetary Choice Questionnaire (delay discounting). The new 12‐item measure captured a single dimension of delay of gratification, correlated as predicted with other scales, but accounted for unique variance in predicting such outcomes as overdrawing bank accounts, substance abuse, and overall subjective well‐being. Results support a theoretical distinction between reward‐related approach motivation, including sensation seeking, and inhibitory faculties, including cognitive reflection. However, individuals' agreement with the qualitative gist of delay of gratification, as expressed in many cultural traditions, could not be reduced to such dualist distinctions nor to quantitative conceptions of delay discounting, shedding light on mechanisms of self‐control and risk taking. Copyright © 2016 John Wiley & Sons, Ltd. 相似文献
516.
Priscila G. Brust-Renck Valerie F. Reyna Evan A. Wilhelms Christopher R. Wolfe Colin L. Widmer Elizabeth M. Cedillos-Whynott A. Kate Morant 《Behavior research methods》2017,49(4):1386-1398
We used Sharable Knowledge Objects (SKOs) to create an Intelligent Tutoring System (ITS) grounded in Fuzzy-Trace Theory to teach women about obesity prevention: GistFit, getting the gist of healthy eating and exercise. The theory predicts that reliance on gist mental representations (as opposed to verbatim) is more effective in reducing health risks and improving decision making. Technical information was translated into decision-relevant gist representations and gist principles (i.e., healthy values). The SKO was hypothesized to facilitate extracting these gist representations and principles by engaging women in dialogue, “understanding” their responses, and replying appropriately to prompt additional engagement. Participants were randomly assigned to either the obesity prevention tutorial (GistFit) or a control tutorial containing different content using the same technology. Participants were administered assessments of knowledge about nutrition and exercise, gist comprehension, gist principles, behavioral intentions and self-reported behavior. An analysis of engagement in tutorial dialogues and responses to multiple-choice questions to check understanding throughout the tutorial revealed significant correlations between these conversations and scores on subsequent knowledge tests and gist comprehension. Knowledge and comprehension measures correlated with healthier behavior and greater intentions to perform healthy behavior. Differences between GistFit and control tutorials were greater for participants who engaged more fully. Thus, results are consistent with the hypothesis that active engagement with a new gist-based ITS, rather than a passive memorization of verbatim details, was associated with an array of known psychosocial mediators of preventive health decisions, such as knowledge acquisition, and gist comprehension. 相似文献
517.
Following pretraining with everyday objects, 1- to 4-year-old children received listener training with three pairs of arbitrary stimuli of differing shapes. For each pair, 9 children were trained to select one stimulus in response to the spoken word /zog/ and the other to the spoken word /vek/. Next, in the look-at-sample category match-to-sample test, none categorized the six stimuli correctly when asked to look at the sample before selecting from five comparisons. Seven of these children failed a subsequent test of corresponding speaker behavior (tact test); following tact training, 5 of them passed either a repeat of the look-at-sample category test (2 subjects) or an alternative category test (3 subjects) in which they were required to tact the sample before selecting comparisons. The remaining 2 failed both category tests. Of the 2 who passed the tact test, 1 passed the tact-sample category test; the other failed to complete category testing. Two children were next given a second stimulus set. One passed the look-at-sample category test and the tact test; the other failed both tests but passed the tact-sample category test after tact training. The results show that 1- to 4-year-old children may learn listener behavior without corresponding speaker behavior. The results also show that common listener behavior is not sufficient to establish arbitrary stimulus classes, and they are consistent with the proposition that naming may be necessary for categorization of such stimuli. 相似文献
518.
Previous research has shown that interpretation biases can be experimentally induced and endure for 24 hours. In two experiments, we show that induced biases not only persist but survive changes in environmental context, including transferring to different rooms with different experimenters. In one experiment, training and testing materials were also presented in different sensory modalities without significantly reducing the magnitude of the induced bias. Furthermore, we found evidence of changes in emotional vulnerability, congruent with the direction of induced bias, which also persisted for 24 hours. Together with earlier results, these findings show that induced biases generalize over contexts and have persisting emotional consequences, suggesting that appropriately adapted training methods may contribute to developing therapeutic techniques within clinical settings. 相似文献
519.
In two experiments, we investigated the relationship between confidence and accuracy in syllogistic reasoning. Participants judged the validity of conclusions and provided confidence ratings twice for each problem: once quickly and again after further deliberation. Correlations between confidence and accuracy were small or nonexistent. In addition, confidence and accuracy were mediated by different variables. Confidence judgments appeared to reflect external cues, so that confidence was greater when the participants were allowed additional time to think about the problem, as well as when the conclusion was either believable or unbelievable, rather than neutral. In contrast, accuracy changed little as a function of the amount of time available and did not differ for believable and neutral problems. These data support a model in which initial decisions are made quickly, on the basis of heuristic cues, and analytic processes are used to justify or rationalize the earlier decision. 相似文献
520.
Generating some types of accounts-justifications, excuses, or apologies--for an organization's harm-doing increases condoning of a transgression compared with generating denials or not having to explain a transgression. In Experiment 1. students (N = 324) were required either to explain a corporation's use of child labor to manufacture its products or merely to read about it. Explaining decreased condemnation of the offense compared with when no explanation was required. In Experiment 2, students (N = 101) either justified the corporation's harm-doing or denied that the corporation had harmed employees, with justifications increasing condoning more than denials. In Experiment 3, students (N = 113) either wrote an apology or wrote a denial, with apologizers condoning harm-doing more than deniers. Differences appear to be due to some accounts eliciting cognitive elaboration on the misdeed. 相似文献