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151.
How do people solve the "weather prediction" task?: individual variability in strategies for probabilistic category learning
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Probabilistic category learning is often assumed to be an incrementally learned cognitive skill, dependent on nondeclarative memory systems. One paradigm in particular, the weather prediction task, has been used in over half a dozen neuropsychological and neuroimaging studies to date. Because of the growing interest in using this task and others like it as behavioral tools for studying the cognitive neuroscience of cognitive skill learning, it becomes especially important to understand how subjects solve this kind of task and whether all subjects learn it in the same way. We present here new experimental and theoretical analyses of the weather prediction task that indicate that there are at least three different strategies that describe how subjects learn this task. (1) An optimal multi-cue strategy, in which they respond to each pattern on the basis of associations of all four cues with each outcome; (2) a one-cue strategy, in which they respond on the basis of presence or absence of a single cue, disregarding all other cues; or (3) a singleton strategy, in which they learn only about the four patterns that have only one cue present and all others absent. This variability in how subjects approach this task may have important implications for interpreting how different brain regions are involved in probabilistic category learning. 相似文献
152.
Hwang WC Chun CA Takeuchi DT Myers HF Siddarth P 《Cultural diversity & ethnic minority psychology》2005,11(1):16-27
Using data from the Chinese American Epidemiological Study, risk for experiencing an initial episode of major depression across the life course was examined. Data were collected on 1,747 U.S.-born and foreign-born Chinese Americans (ages 18-65 years). Results suggest that Chinese American women did not evidence higher risk than Chinese American men for experiencing a 1st major depressive episode. Risk for experiencing a 1st depressive episode decreased as length of residence in the United States increased. Although those who immigrated at younger ages evidenced greater overall risk, those who came at later ages were more likely to become depressed at or soon after arrival. Competing theories of acculturation-related risk are discussed and directions for future research are proposed. 相似文献
153.
Two lexical decision experiments investigated priming for a critical item (CI, sleep) and its related yoked associate (YA, blanket) when one had been studied in a related Deese/Roediger-McDermott (DRM) list (Experiments 1 & 2) or a list of totally unrelated words (Experiment 2) and the other had been nonstudied. Semantic priming from the related DRM list occurred for nonstudied CIs (but not YAs) regardless of whether the CI received within-test priming from its studied related YA during the lexical decision task, though the effect in the absence of within-test priming averaged across experiments was only significant by a one-tailed test. Also averaged across experiments, repetition priming occurred for both studied CIs and YAs when they had been studied in related DRM lists whether or not there was also within-test priming from a nonstudied related yoked pairmate, though individual effects within the two experiments were sometimes not significant. Repetition priming boosted semantic priming from related DRM lists less for CIs than for YAs, similar to the finding that memory discriminability is poorer for CIs than for YAs in episodic recognition. This smaller repetition priming boost for CIs than for YAs occurred to the same degree when the CIs or YAs were studied in an unrelated list. When nonstudied CIs and YAs were totally unrelated to all previously studied items and separated by 3-7 items in the lexical decision task, aYA produced a small 16 msec priming effect for its CI, averaged across both experiments. The implications of these results for the activation account of the DRM false-memory effect and for single-prime versus multiple-prime long-term semantic priming effects are discussed. The online addendum may be downloaded from www.psychonomic.org/archive. 相似文献
154.
We examined the relationships between three dimensions of familism: importance of family, family support, and family conflict
with acculturation, assessed orthogonally (Mexican and American cultural contributions assessed independently), and the relative
contribution these factors make to psychological adjustment among 248 (124 women, 124 men) adults of Mexican origin. After
controlling for sociodemographic characteristics, positive associations were found between importance of family and the biculturalism
of Mexican and American cultural identity; family support and Mexican cultural identity; but no associations between family
conflict and level of acculturation. Psychological well-being was positively associated with Mexican cultural identity and
family support, whereas psychological distress was associated with greater family conflict and lower family support. The greater
relative contribution of Mexican cultural identity to familism and well-being, and the importance of assessing acculturation
orthogonally are discussed.
This research was supported in part by a Minority Supplement to National Institute of Mental Health Grant MH47193 to the Research
Center on the Psychobiology of Ethnicity, Harbor-UCLA Medical Center and by a research award from Pitzer College to Norma
Rodriguez. 相似文献
155.
Francis Neely 《Political psychology》2007,28(6):667-688
While testing an affective measure of party identification Burden and Klofstad (2005 ) found that using the phrase, "feel that you are," in place of, "think of yourself as," significantly shifted PID in a Republican direction. I adopt the theoretical framework of Affective Intelligence ( Marcus, Neuman, & MacKuen, 2000 ) to specify how the timing of their question-wording experiment may have influenced the results. I suggest that the outcome was a function of (a) anxiety present during the survey, which ran just after 9/11 of 2001, coupled with (b) a political environment that favored Republicans. In a 2005 survey I replicate the experiment and collect new measures with which to test expectations. I find no significant shift in PID, and provisional support for the Affective Intelligence explanation. The results validate Burden and Klofstad's measure, qualify their findings, and test the application of the theory of Affective Intelligence to party dispositions. Alternative explanations and directions for further research are discussed. 相似文献
156.
Sociocultural pressures,thin-ideal internalization,self-objectification,and body dissatisfaction: Could feminist beliefs be a moderating factor? 总被引:1,自引:1,他引:0
Theory and research suggest that sociocultural pressures, thin-ideal internalization, and self-objectification are associated with body dissatisfaction, while feminist beliefs may serve a protective function. This research examined thin-ideal internalization and self-objectification as mediators and feminist beliefs as a moderator in the relationship between sociocultural pressures to meet the thin-ideal and body dissatisfaction. Female undergraduate volunteers (N = 195) completed self-report measures assessing sociocultural influences, feminist beliefs, thin-ideal internalization, self-objectification, and body dissatisfaction. Multisample structural equation modeling showed that feminist beliefs moderate the relationship between media awareness and thin-ideal internalization, but not the relationship between social influence and thin-ideal internalization. Research and clinical implications of these findings are discussed. 相似文献
157.
158.
Richard Rogers Allyson J. Sharf Bryan Myers Eric Y. Drogin Margot M. Williams 《Behavioral sciences & the law》2020,38(1):12-31
The Sixth Amendment right to an “impartial jury” should guarantee fundamental fairness that in capital cases may literally be a matter of life and death. For ecological validity, the current study focuses on capital jury questionnaires (CJQs) employed in actual death-penalty cases. Study I examined 248 undergraduates and their responses to death-penalty relevant questions. As an MTurk investigation, Study II consisted of 259 community members potentially eligible for capital trial jury trials. Misrepresentations were operationalized as either denials (concealing their true views) or outright deceptions (dissembling the opposite viewpoint). Both studies found that CJQ items were very susceptible to both types of misrepresentation, irrespective of support-life or support-death views. Nearly 30% of undergraduates openly acknowledged that they would misrepresent close to half their CJQ responses. Overall, community members were much more willing to engage in denials and outright deceptions. The discussion focuses on how CJQs could be improved to promote candor about death-penalty views. 相似文献
159.
Jessica K. Ljungberg Fabrice B.R. Parmentier Dylan M. Jones Erik Marsja Gregory Neely 《Acta psychologica》2014
Research of the distractor value of hearing the own name has shown that this self-referring stimulus captures attention in an involuntary fashion and create distraction. The behavioral studies are few and the outcomes are not always clear cut. In this study the distraction by own name compared to a control name was investigated by using a cross-modal oddball task in two experiments. In the first experiment, thirty-nine participants were conducting a computerized categorization task while exposed to, to-be ignored own and matched control names (controlling for familiarity, gender and number of syllables) as unexpected auditory deviant stimulus (12.5% trials for each name category) and a sine wave tone as a standard stimulus (75% of the trials). In the second experiment, another group of thirty-nine participants completed the same task but with the additional deviant stimulus of an irrelevant word added (10% trials for each deviant type and 70% trials with the standard stimulus). Results showed deviant distraction by exposure to both the irrelevant word, own and the control name compared to the standard tone but no differences were found showing that the own name captured attention and distracted the participants more than an irrelevant word or a control name. The results elucidate the role of the own name as a potent auditory distractor and possible limitations with its theoretical significance for general theories of attention are discussed. 相似文献
160.
Yanerys Leon David A. Wilder Lina Majdalany Kristin Myers Valdeep Saini 《Journal of Behavioral Education》2014,23(1):19-33
We conducted two experiments to evaluate the effects of errors of omission and commission during alternative reinforcement of compliance in young children. In Experiment 1, we evaluated errors of omission by examining two levels of integrity during alternative reinforcement (20 and 60 %) for child compliance following no treatment (baseline) versus treatment at full (i.e., 100 %) integrity. Results indicated that compliance varied according to the level of integrity in place. In addition, compliance in the 60 % integrity condition was high and stable when it followed baseline, but was substantially lower for one participant and slightly lower for a second participant when it followed the full integrity condition. In Experiment 2, we evaluated errors of commission. For three participants, we compared treatment at full integrity to a condition in which errors of commission were made on every trial (i.e., 0 % integrity). For one of these three participants, we also compared treatment at full integrity to baseline and to a condition in which errors of commission were made on 50 % of trials. Results of all four evaluations again indicate that compliance varied according to the level of integrity in place: compliance was low in both the 0 and 50 % integrity conditions, regardless of the preceding condition. These results suggest that during alternative reinforcement of compliance, the effect of occasional errors of omission may depend on the immediately preceding context but that errors of commission are more detrimental. 相似文献