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111.
Two studies examined a novel prediction of the causal Bayes net approach to judgments under uncertainty, namely that causal knowledge affects the interpretation of statistical evidence obtained over multiple observations. Participants estimated the conditional probability of an uncertain event (breast cancer) given information about the base rate, hit rate (probability of a positive mammogram given cancer) and false positive rate (probability of a positive mammogram in the absence of cancer). Conditional probability estimates were made after observing one or two positive mammograms. Participants exhibited a causal stability effect: there was a smaller increase in estimates of the probability of cancer over multiple positive mammograms when a causal explanation of false positives was provided. This was the case when the judgments were made by different participants (Experiment 1) or by the same participants (Experiment 2). These results show that identical patterns of observed events can lead to different estimates of event probability depending on beliefs about the generative causes of the observations. 相似文献
112.
Nathaniel Thom Justin Knight Rod Dishman Dean Sabatinelli Douglas C. Johnson Brett Clementz 《Cognitive, affective & behavioral neuroscience》2014,14(2):849-860
Emotional faces and scenes carry a wealth of overlapping and distinct perceptual information. Despite widespread use in the investigation of emotional perception, expressive face and evocative scene stimuli are rarely assessed in the same experiment. Here, we evaluated self-reports of arousal and pleasantness, as well as early and late event-related potentials (e.g., N170, early posterior negativity [EPN], late positive potential [LPP]) as subjects viewed neutral and emotional faces and scenes, including contents representing anger, fear, and joy. Results demonstrate that emotional scenes were rated as more evocative than emotional faces, as only scenes produced elevated self-reports of arousal. In addition, viewing scenes resulted in more extreme ratings of pleasantness (and unpleasantness) than did faces. EEG results indicate that both expressive faces and emotional scenes evoke enhanced negativity in the N170 component, while the EPN and LPP components show significantly enhanced modulation only by scene, relative to face stimuli. These data suggest that viewing emotional scenes results in a more pronounced emotional experience that is associated with reliable modulation of visual event-related potentials that are implicated in emotional circuits in the brain. 相似文献
113.
Kimberly R. Zlomke Dustin Lamport Sarah Bauman Beth Garland Brett Talbot 《Journal of child and family studies》2014,23(8):1484-1490
The Alabama Parenting Questionnaire (APQ) is a well studied assessment of parenting practices for school-age children, especially in relation to child externalizing behaviors. Given the developmental changes between school-age children and adolescents and subsequent changes to parenting approaches during that time, the utility of a public-accessed measure to span across a broad age range is of high clinical and empirical importance. This study investigated the psychometric properties of the APQ in a community sample of 376 parents of adolescents. In an Exploratory Factor Analysis the data suggested a 4-factor solution similar in composition to the original 5-factor model. Proposed factors for the APQ when given to parents of adolescents included Positive and Involved Parenting, Parental Monitoring, Discipline Practices, and Discipline Process. 相似文献
114.
Music is strongly intertwined with memories—for example, hearing a song from the past can transport you back in time, triggering the sights, sounds, and feelings of a specific event. This association between music and vivid autobiographical memory is intuitively apparent, but the idea that music is intimately tied with memories, seemingly more so than other potent memory cues (e.g., familiar faces), has not been empirically tested. Here, we compared memories evoked by music to those evoked by famous faces, predicting that music-evoked autobiographical memories (MEAMs) would be more vivid. Participants listened to 30 songs, viewed 30 faces, and reported on memories that were evoked. Memories were transcribed and coded for vividness as in Levine, B., Svoboda, E., Hay, J. F., Winocur, G., & Moscovitch, M. [2002. Aging and autobiographical memory: Dissociating episodic from semantic retrieval. Psychology and Aging, 17, 677–689]. In support of our hypothesis, MEAMs were more vivid than autobiographical memories evoked by faces. MEAMs contained a greater proportion of internal details and a greater number of perceptual details, while face-evoked memories contained a greater number of external details. Additionally, we identified sex differences in memory vividness: for both stimulus categories, women retrieved more vivid memories than men. The results show that music not only effectively evokes autobiographical memories, but that these memories are more vivid than those evoked by famous faces. 相似文献
115.
Brett W. Gelino Madison E. Graham Justin C. Strickland Hannah W. Glatter Steven R. Hursh Derek D. Reed 《Journal of applied behavior analysis》2024,57(1):117-130
Many universities sponsor student-oriented transit services that could reduce alcohol-induced risks but only if services adequately anticipate and adapt to student needs. Human choice data offer an optimal foundation for planning and executing late-night transit services. In this simulated choice experiment, respondents opted to either (a) wait an escalating delay for a free university-sponsored “safe” option, (b) pay an escalating fee for an on-demand rideshare service, or (c) pick a free, immediately available “unsafe” option (e.g., ride with an alcohol-impaired driver). Behavioral-economic nonlinear models of averaged-choice data describe preference across arrangements. Best-fit metrics indicate adequate sensitivity to contextual factors (i.e., wait time, preceding late-night activity). At short delays, students preferred the free transit option. As delays extend beyond 30 min, most students preferred competing alternatives. These data depict a policy-relevant delay threshold to better safeguard undergraduate student safety. 相似文献
116.
117.
The effect of exposure to the contextual features of the /pt/ cluster was investigated in native-English and native-Polish listeners using behavioral and event-related potential (ERP) methodology. Both groups experience the /pt/ cluster in their languages, but only the Polish group experiences the cluster in the context of word onset examined in the current experiment. The /st/ cluster was used as an experimental control. ERPs were recorded while participants identified the number of syllables in the second word of nonsense word pairs. The results found that only Polish listeners accurately perceived the /pt/ cluster and perception was reflected within a late positive component of the ERP waveform. Furthermore, evidence of discrimination of /pt/ and /p?t/ onsets in the neural signal was found even for non-native listeners who could not perceive the difference. These findings suggest that exposure to phoneme sequences in highly specific contexts may be necessary for accurate perception. 相似文献
118.
Shannon M. Bennett Jill Ehrenreich-May Brett T. Litz Christina L. Boisseau David H. Barlow 《Cognitive and behavioral practice》2012,19(1):161-173
Perinatal loss, typically defined as fetal death beyond 20 weeks gestation through infant death 1-month postpartum, is a potentially traumatizing experience for parents occurring in approximately 1% of births in the United States. Although many women recover, 15% to 25% have enduring grief-related symptomatology and functional impairment. Perinatal grief is a unique bereavement experience, but clinical resources for detecting and treating severe perinatal grief are rare and interventions are largely without empirical support. We developed and pilot tested a cognitive-behavioral intervention targeting the psychological and behavioral sequelae of perinatal bereavement. To initially evaluate the feasibility and efficacy of the intervention, 5 women who suffered a perinatal loss were randomized to a 2-week, 4-week, or 6-week baseline period in a multiple-baseline single-case experimental design. In most cases, after the respective baseline periods, there was a steady decline in reported grief symptoms. These gains were largely maintained at a 6-week follow-up assessment. This study provides initial evidence in support of future research and clinical efforts tailoring cognitive behavioral interventions to meet the specific needs of women who experience perinatal loss. 相似文献
119.
According to the instrumental approach to emotion regulation, people may want to experience even unpleasant emotions to attain instrumental benefits. Building on value-expectancy models of self-regulation, we tested whether people want to feel bad in certain contexts specifically because they expect such feelings to be useful to them. In two studies, participants were more likely to try to increase their anger before a negotiation when motivated to confront (vs. collaborate with) a negotiation partner. Participants motivated to confront (vs. collaborate with) their partner expected anger to be more useful to them, and this expectation in turn, led them to try to increase their anger before negotiating. The subsequent experience of anger, following random assignment to emotion inductions (Study 1) or engagement in self-selected emotion regulation activities (Study 2), led participants to be more successful at getting others to concede to their demands, demonstrating that emotional preferences have important pragmatic implications. 相似文献
120.
Women almost always comprise a minority in engineering programs and a smaller percentage of women pursue engineering than other science and technology majors. The culture of engineering departments and negative stereotypes of women’s engineering and mathematical ability have been identified as factors that inhibit women’s entry into engineering and cause them to leave the major. Even for women who stay, stereotype threat or the anxiety of confirming a negative stereotype can decrease academic performance. To more fully understand this dynamic, we examined four factors associated with stereotype threat (engineering identification, gender identification, gender stereotype endorsement, and engineering ability perceptions) to determine how they impacted women’s achievement and persistence in engineering at the end of their first year of an engineering program. Participants included 363 first-year general engineering students from a large public university. Students completed a questionnaire near the end of their first year. Results indicated that there were differences between men and women for gender stereotype endorsement and engineering ability perceptions, with men more likely to hold negative stereotypes of women’s engineering abilities and women more likely to report higher perceptions of their engineering abilities. Engineering identification was a significant predictor of persistence in engineering, and engineering ability perceptions were significant predictors of achievement; the relationships were stronger for women than men. The fact that neither gender identification nor gender stereotype endorsement were related to achievement or persistence in engineering indicated that they were less important factors for first-year women engineering students than engineering identification and engineering ability perceptions. 相似文献