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51.
Memory phenomena associated with obsessive-compulsive disorder (OCD) have received increased attention in the recent literature. Some debate remains about whether OCD is characterized by deficits in memory per se, or by poor memory confidence. Following from a recent study that demonstrated memory distrust results from repeated checking of a virtual computerized stove, we asked 50 undergraduate students to repeatedly turn on, turn off and check either a real kitchen stove (relevant checking) or a real kitchen faucet (irrelevant checking) in a standardized, ritualized manner. All participants completed a final check of the stove following these 19 checking trials. Results indicated that following repeated relevant checking, participants reported significantly reduced memory confidence, vividness and detail. Repeated irrelevant checking did not produce these decreases. Results are discussed in terms of cognitive-behavioural formulations of OCD and in terms of the effects of repetition on memory and metamemory. 相似文献
52.
There is no consensus as to what information guides search for a singleton target. Does the most salient display element capture attention, regardless of the observer's attentional set? Do observers adopt a default salience-based search mode? Does knowledge of the target's defining featural property (when available) affect search? Finally, can intertrial contingencies account for the disparate results in the literature? We investigated search for a shape singleton when (1) the target and nontarget shapes switched unpredictably from trial to trial, (2) the target feature remained fixed, and (3) the target was a singleton on only one third of the trials. We examined overall reaction times, search slopes, errors, and the magnitude of the slowing caused by a cross-dimensional singleton distractor. Our results argue against the idea that search is guided solely by stimulus-driven factors or that subjects adopt a singleton detection mode that is blind to feature information. They show also that intertrial contingencies, although potent, cannot account for the variety of results in the literature. 相似文献
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Bar-Haim Y Lamy D Pergamin L Bakermans-Kranenburg MJ van IJzendoorn MH 《Psychological bulletin》2007,133(1):1-24
This meta-analysis of 172 studies (N = 2,263 anxious,N = 1,768 nonanxious) examined the boundary conditions of threat-related attentional biases in anxiety. Overall, the results show that the bias is reliably demonstrated with different experimental paradigms and under a variety of experimental conditions, but that it is only an effect size of d = 0.45. Although processes requiring conscious perception of threat contribute to the bias, a significant bias is also observed with stimuli outside awareness. The bias is of comparable magnitude across different types of anxious populations (individuals with different clinical disorders, high-anxious nonclinical individuals, anxious children and adults) and is not observed in nonanxious individuals. Empirical and clinical implications as well as future directions for research are discussed. 相似文献
55.
This article contends that the presence of a coactor leads to a focusing effect whenever this presence represents a threat or a potential threat to self-evaluation. Experiment 1 showed that attentional focusing appears in the presence of an actual (in the case of upward comparison) or potential (in the case of mere coaction) threat to self-evaluation but not in its absence (in the case of downward comparison). Experiments 2 and 3 confirmed that the presence of a coactor affects focusing because the coactor represents a potential threat and showed that introducing a threat in downward comparison can produce a focusing effect. Experiment 4 showed that removing the threat in upward comparison decreases the focusing effect. Experiment 5 confirmed that the effects observed in upward comparison are due to attentional focusing and not to an increase in effort. Contributions to social facilitation, social comparison, and attention research are discussed. 相似文献
56.
Testing model fit for latent structure models (latent trait models and latent class models) is difficult because of the lack of goodness-of-fit statistics with a known distribution. This paper describes the application of the pi* goodness-of-fit statistic to latent structure models. The statistic pi* is based on the concept of latent classes and has a natural interpretation when applied to these models. This statistic assumes that the population is made up of several classes that follow a parametric model, and a residual class outside the model. The value of pi* is the population proportion in the residual class. This paper describes the estimation algorithms of pi* for latent trait and latent class models and an empirical example with a scale of study habits. There are two latent classes in these data: bad and regular students, which are related to the student s responsibility. 相似文献
57.
Fabian Alexander Ryffel Dominique Stefanie Wirz Rinaldo Kühne Werner Wirth 《Media Psychology》2014,17(4):397-419
This study examined the influence of an emotionally arousing writing style on attitude formation and change. It has been proposed that different writing styles induce attitudes based on either affect or cognition and with either high or low certainty. Previous work indicates that the interplay of these attitude characteristics determines the persuasiveness of emotional and rational media appeals. To test the hypotheses, participants in an experimental study read articles from a magazine about a fictitious attitude object. In the first step, 4 different types of attitudes varying in base and level of certainty were induced through a respectively manipulated article. In the second step, these attitudes were challenged by an additional article, which presented either an emotional or rational persuasive appeal. The results supported hypotheses on attitude induction through media stimuli and 3 of 4 hypotheses regarding the persuasiveness of emotionally and rationally written articles. 相似文献
58.
Words that are produced aloud—and especially self-produced ones—are remembered better than words that are not, a phenomenon labeled the production effect in the field of memory research. Two experiments were conducted to determine whether this effect can be generalized to dialogue, and how it might affect dialogue management. Triads (Exp. 1) or dyads (Exp. 2) of participants interacted to perform a collaborative task. Analyzing reference reuse during the interaction revealed that the participants were more likely to reuse the references that they had presented themselves, on the one hand, and those that had been accepted through verbatim repetition, on the other. Analyzing reference recall suggested that the greater accessibility of self-presented references was only transient. Moreover, among partner-presented references, those discussed while the participant had actively taken part in the conversation were more likely to be recalled than those discussed while the participant had been inactive. These results contribute to a better understanding of how individual memory processes might contribute to collaborative dialogue. 相似文献
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Laurent Bègue Jean‐Léon Beauvois Didier Courbet Dominique Oberlé Johan Lepage Aaron A. Duke 《Journal of personality》2015,83(3):299-306
This study investigates how obedience in a Milgram‐like experiment is predicted by interindividual differences. Participants were 35 males and 31 females aged 26–54 from the general population who were contacted by phone 8 months after their participation in a study transposing Milgram's obedience paradigm to the context of a fake television game show. Interviews were presented as opinion polls with no stated ties to the earlier experiment. Personality was assessed by the Big Five Mini‐Markers questionnaire (Saucier, 1994). Political orientation and social activism were also measured. Results confirmed hypotheses that Conscientiousness and Agreeableness would be associated with willingness to administer higher‐intensity electric shocks to a victim. Political orientation and social activism were also related to obedience. Our results provide empirical evidence suggesting that individual differences in personality and political variables matter in the explanation of obedience to authority. 相似文献