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111.
Rhodes MG Jacoby LL 《Journal of experimental psychology. Learning, memory, and cognition》2007,33(2):305-320
The authors examined whether participants can shift their criterion for recognition decisions in response to the probability that an item was previously studied. Participants in 3 experiments were given recognition tests in which the probability that an item was studied was correlated with its location during the test. Results from all 3 experiments indicated that participants' response criteria were sensitive to the probability that an item was previously studied and that shifts in criterion were robust. In addition, awareness of the bases for criterion shifts and feedback on performance were key factors contributing to the observed shifts in decision criteria. These data suggest that decision processes can operate in a dynamic fashion, shifting from item to item. 相似文献
112.
Deconstructing executive deficits among persons with autism: implications for cognitive neuroscience
Individuals with autism demonstrate impairments on measures of executive function (EF) relative to typically developing comparison participants. EF is comprised of several processes including inhibition, working memory and set shifting that develop throughout the lifespan. Impairments in EF may appear early in development and persist, or may represent a more transient delay which resolves with time. Given the unevenness of the cognitive profile of persons with autism, understanding the development of EF poses methodological challenges. These issues include those related to matching measures and the choice of comparison participants to which the performance of persons with autism will be compared. In the current review, we attempt to break down the processes of inhibition, working memory and set shifting among persons with autism. We propose to do this within a developmental perspective that highlights how matching measures and comparison participants can affect the interpretation of research findings. 相似文献
113.
Models of numerical processing vary on whether they assume common or separate processing pathways for problems represented in different surface forms. The present study employed a priming procedure, with target naming task, in an investigation of surface form effects in simple addition and multiplication operations. Participants were presented with Arabic digit and number word problems in one of three prime-target relationships, including congruent (e.g., '2+3' and '5'), incongruent (e.g., '9+7' and '5') and neutral (e.g., 'X+Y' and '5') conditions. The results revealed significant facilitatory effects in response to congruent digit stimuli at SOAs of 300 and 1000ms, in both operations. In contrast, inhibitory effects were observed in response to incongruent word stimuli in both the addition and multiplication operations at 300ms, and in the addition operation at 1000ms. The overall priming effects observed in the digit condition were significantly greater than in the word condition at 1000ms in the multiplication operation and at 300ms in the addition operation. The results provide support to separate pathway accounts of simple arithmetic processing for problems represented in different surface forms. An explanation for variation in processing due to differences in access to visual and phonological representations is provided. 相似文献
114.
The psychosocial impact of Hurricane Katrina: contextual differences in psychological symptoms, social support, and discrimination 总被引:2,自引:0,他引:2
Weems CF Watts SE Marsee MA Taylor LK Costa NM Cannon MF Carrion VG Pina AA 《Behaviour research and therapy》2007,45(10):2295-2306
This study tested a contextual model of disaster reaction by examining regional differences in the psychosocial impact of Hurricane Katrina. A total of 386 individuals participated in this study. All were recruited in the primary areas affected by Hurricane Katrina and included residents of metropolitan New Orleans (Orleans Parish, Louisiana), Greater New Orleans (i.e., Metairie, Kenner, Gretna), and the Mississippi Gulf Coast (i.e., cities along the coast from Waveland to Ocean Springs, Mississippi). Participants were assessed for posttraumatic stress disorder (PTSD) symptoms, other psychological symptoms, perceptions of discrimination, perceptions of social support, evacuation distance, and the extent to which they experienced hurricane-related stressful events. Results were consistent with previous research on the impact of disasters on mental health symptoms. Findings extended research on individual differences in the response to trauma and indicated that regional context predicted unique variance in the experience of discrimination, social support, and emotional symptoms consistent with the theoretical model presented. 相似文献
115.
Religiousness, Health, and Health Behavior in Public-Use Data of the National Center for Health Statistics 总被引:1,自引:0,他引:1
Studies of religiousness and health-related variables in large, population-based cross-sectional or, preferably, longitudinal
studies, which are often prohibitively expensive, are important to complement findings from the more commonly performed studies.
Inadequately known among social science researchers, the national health surveys of the Centers for Disease Control and Prevention’s
National Center for Health Statistics (NCHS) offer large, high-quality data sets to the public at no or nominal cost and hence
offer important opportunities for research in the area of religion and health, religion and reproductive behavior, sociology
of religion and psychology of religion. This report provides an overview of the data sets and a bibliography of prior research
using these data, which is intended to suggest how the data of NCHS may be further exploited by researchers of religiousness
and health.
相似文献
R. F. GillumEmail: |
116.
Jason D. Brown Jennifer Sintzel David St. Arnault Natalie George 《Journal of child and family studies》2009,18(6):633-642
It is important to understand how cultural values, beliefs and traditions of foster parents are related to placement success because a substantial proportion of children in care come from culturally diverse backgrounds. In the present study participants were asked about resources they saw as necessary to improve their confidence fostering children from culturally diverse backgrounds. Sixty-one foster parents from a central Canadian province participated in a telephone interview that included the question: “what would help you feel more confident about fostering children with different values, beliefs and traditions?” A total of 35 unique responses were obtained and grouped together by 13 foster parents. Multidimensional scaling and cluster analysis were used to analyze the grouping data. Foster parents described six themes: understanding different cultures, training, self awareness, agency support, open discussion and community services. There were several similarities and differences between the perspectives of foster parents interviewed and the literature. Implications for future research are discussed. 相似文献
117.
118.
J. Richard Eiser Natalie J. Shook Russell H. Fazio 《European journal of social psychology》2007,37(5):1046-1056
Processes of attitude learning were investigated through a game requiring discrimination between good and bad objects, where feedback about object valence (involving gain or loss) is contingent on approach. Previous research demonstrates a preponderance of false‐negative errors, with some good objects (‘learning asymmetry’) and most novel objects (‘generalization asymmetry’) being judged as bad, but provides no direct evidence concerning how participants appraise alternative strategies and their own performance. To compare alternative strategies, participants received advice, supposedly from a previous participant, that most objects were bad and should be avoided, or good and should be approached. Learning and generalization asymmetries were replicated, especially among participants who followed the former (risk‐averse) advice. Additionally, participants' evaluations of their own game strategy were inversely related to amount of negative feedback (the number of bad objects approached), but unrelated to positive feedback (from good objects approached), pointing to the salience of negative information for self‐appraisals. Copyright © 2007 John Wiley & Sons, Ltd. 相似文献
119.
Prolongation of speech sounds is currently used to modify stuttering and enhance fluency. Prolonged speech (PS) (e.g., prolonged vowels, prolongation throughout utterances) is, however, often perceived as unnatural by listeners. This study examined at which durations and in which contexts 52 college students (primary language was American English) perceived PS to be unnatural. Stimuli were limited to controlled variation in prolongation of the vowel in the middle single-syllable word of a carrier phrase (i.e., say word again). The prolongation was effected by digital waveform manipulation within the Kay Elemetrics Computerized Speech Laboratory (CSL). The listeners judged if they strongly agreed, agreed, or disagreed that the phrases sounded natural. Results indicated that the extent of vowel duration (and possibly context) does influence listener's perception of speech naturalness, findings which can be applied to facilitate fluency therapy.
Educational objectives: (1) The reader will learn about and be able to summarize the digital waveform manipulation procedure in the study. (2) The reader will learn about and be able to describe the effects of differential vowel prolongation on listener's perception of speech naturalness. (3) The reader will learn about and evaluate how differential vowel prolongation can be used to enhance fluency. 相似文献
120.