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821.
Pennington BF Santerre-Lemmon L Rosenberg J MacDonald B Boada R Friend A Leopold DR Samuelsson S Byrne B Willcutt EG Olson RK 《Journal of abnormal psychology》2012,121(1):212-224
The overall goals of this study were to test single versus multiple cognitive deficit models of dyslexia (reading disability) at the level of individual cases and to determine the clinical utility of these models for prediction and diagnosis of dyslexia. To accomplish these goals, we tested five cognitive models of dyslexia--two single-deficit models, two multiple-deficit models, and one hybrid model--in two large population-based samples, one cross-sectional (Colorado Learning Disability Research Center) and one longitudinal (International longitudinal Twin Study). The cognitive deficits included in these cognitive models were in phonological awareness, language skill, and processing speed and/or naming speed. To determine whether an individual case fit one of these models, we used two methods: 1) the presence or absence of the predicted cognitive deficits, and 2) whether the individual's level of reading skill best fit the regression equation with the relevant cognitive predictors (i.e., whether their reading skill was proportional to those cognitive predictors.) We found that roughly equal proportions of cases met both tests of model fit for the multiple deficit models (30-36%) and single deficit models (24-28%); hence, the hybrid model provided the best overall fit to the data. The remaining roughly 40% of cases in each sample lacked the deficit or deficits that corresponded with their best-fitting regression model. We discuss the clinical implications of these results for both diagnosis of school-age children and preschool prediction of children at risk for dyslexia. 相似文献
822.
Alcohol is known to impair self-regulatory control of behavior, though mechanisms for this effect remain unclear. Here, we tested the hypothesis that alcohol's reduction of negative affect (NA) is a key mechanism for such impairment. This hypothesis was tested by measuring the amplitude of the error-related negativity (ERN), a component of the event-related brain potential (ERP) posited to reflect the extent to which behavioral control failures are experienced as distressing, while participants completed a laboratory task requiring self-regulatory control. Alcohol reduced both the ERN and error positivity (Pe) components of the ERP following errors and impaired typical posterror behavioral adjustment. Structural equation modeling indicated that effects of alcohol on both the ERN and posterror adjustment were significantly mediated by reductions in NA. Effects of alcohol on Pe amplitude were unrelated to posterror adjustment, however. These findings indicate a role for affect modulation in understanding alcohol's effects on self-regulatory impairment and more generally support theories linking the ERN with a distress-related response to control failures. 相似文献
823.
Stepanova EV Bartholow BD Saults JS Friedman RS 《Journal of experimental social psychology》2012,48(4):905-911
Previous research has shown that alcohol consumption can increase the expression of race bias by impairing control-related processes. The current study tested whether simple exposure to alcohol-related images can also increase bias, but via a different mechanism. Participants viewed magazine ads for either alcoholic or nonalcoholic beverages prior to completing Payne's (2001) Weapons Identification Task (WIT). As predicted, participants primed with alcohol ads exhibited greater race bias in the WIT than participants primed with neutral beverages. Process dissociation analyses indicated that these effects were due to automatic (relative to controlled) processes having a larger influence on behavior among alcohol-primed relative to neutral-primed participants. Structural equation modeling further showed that the alcohol-priming effect was mediated by increases in the influence of automatic associations on behavior. These data suggest an additional pathway by which alcohol can potentially harm inter-racial interactions, even when no beverage is consumed. 相似文献
824.
Maljkovic and Nakayama (1994) demonstrated memory influences in singleton search from one trial to the next, an effect they termed priming of pop-out (PoP). This effect was described as resulting from the persistence of an implicit memory trace, the influence of which could
be observed for around five to eight subsequent trials. The seemingly short-lived nature of this priming effect has been attributed
to decay of the underlying memory representation that occurs when attention is directed to intervening search items, even
when such items are perceptually dissimilar from the search trials upon which PoP is measured (Maljkovic & Nakayama, 2000). The present study reexamines the role of perceptual similarity as a mechanism of interference by examining the influence
on PoP of rare search trials that were perceptually distinct with respect to the other, common trials. Long-lasting (n − 16) PoP was observed for rare trials that were composed of distinct target/distractor colors, suggesting that PoP can be
observed across at least twice as many trials as has previously been reported. Thus, the time span across which PoP can be
measured depends heavily on the nature of the intervening search displays, a result that must be accommodated by current theoretical
accounts of PoP. 相似文献
825.
826.
Forehand R Thigpen JC Parent J Hardcastle EJ Bettis A Compas BE 《Journal of family psychology》2012,26(4):532-541
This study examined the role of parent depressive symptoms as a mediator of change in behaviorally observed positive and negative parenting in a preventive intervention program. The purpose of the program was to prevent child problem behaviors in families with a parent who has current or a history of major depressive disorder. One hundred eighty parents and one of their 9- to 15-year-old children served as participants and were randomly assigned to a family group cognitive-behavioral (FGCB) intervention or a written information (WI) comparison condition. At two months after baseline, parents in the FGCB condition had fewer depressive symptoms than those in the WI condition, and these symptoms served as a mediator for changes in negative, but not positive, parenting at 6 months after baseline. The findings indicate that parent depressive symptoms are important to consider in family interventions with a parent who has current or a history of depression. (PsycINFO Database Record (c) 2012 APA, all rights reserved). 相似文献
827.
Bryan D. Edwards Winfred Arthur Jr Leonardis L. Bruce 《International Journal of Selection & Assessment》2012,20(1):65-81
Multiple‐choice (MC) tests are arguably the most widely used testing format in applied settings. In the psychometric and education literatures, research on the optimal number of options for knowledge and ability MC tests has revealed that three‐option tests are psychometrically equivalent and, in some cases, superior to five‐option tests. In addition, there are a number of practical, economic, and administrative advantages associated with the use of three‐option MC tests. Yet, despite its advantages, the three‐option format is underutilized in personnel selection. Across two studies, we compared test‐taker perceptions, criterion‐related validity, and sex‐based subgroup differences, and in Study 1, we compared race‐based subgroup differences on three‐ and five‐option tests. Participants in the two studies completed a three‐ or five‐option version of ACT. Test perceptions, criterion‐related validity, and race‐ and sex‐based subgroup differences were similar across test formats. The implications for the expanded use of three‐option tests in applied settings and future directions for research are discussed. 相似文献
828.
Current evidence-based assessment methods, such as structured interviews and lengthy assessment batteries, often require hours to administer, score, and interpret and thus are infrequently used in real-world practice. As evidence-based assessment tools are developed for implementation in real-world youth mental health settings, the transportability properties of assessment procedures (including administration and interpretation burden) need to be considered and improved. In the present study, we thus conducted an initial feasibility study using a clinical sample of community-based youths (N = 306) to develop an assessment protocol based on 2 child and 2 parent self-report questionnaires (thus low on administration burden). Using decision-tree analysis, we identified a series of cutoff scores across these scales that may be used to inform treatment need related to anxiety, depression, attention-deficit/hyperactivity disorder (ADHD), and disruptive behavior problems. This algorithm-based approach to interpreting assessment information provided clear and simple guidelines (thus low on interpretation burden) that matched the best estimate treatment determinations derived by trained assessors, supervisors, and expert consultants who integrated information provided by child and parent structured interviews and self-report scales. The present study demonstrated the feasibility of developing an assessment protocol to inform various treatment allocation decisions in a way that imposes little assessment administration and interpretation burden yet maintains adequate classification accuracy. These characteristics make the proposed protocol promising with regard to its transportability and suitability for adoption and implementation in real-world mental health settings. 相似文献
829.
Houle Simon A. Rich Bruce Louis Comeau Caitlin A. Blais Ann-Renée Morin Alexandre J. S. 《Journal of business and psychology》2022,37(5):877-896
Journal of Business and Psychology - The original 18-item Job Engagement Scale (JES18) operationalizes a multidimensional hierarchical conceptualization by Kahn (1990) of the investment and... 相似文献
830.
This study explored mental state reasoning within the context of group effort and possible differences in development between boys and girls. Preschool children (59 girls, 47 boys) were assessed for theory of mind (ToM) ability using classic false belief tests. Children participated in group effort conditions that alternated from one condition, where individual effort was transparent and obvious, to one where individual effort remained anonymous. The aim was to investigate if emergent mental state reasoning, after controlling for age, was associated with the well-known phenomenon of reduced effort in group tasks (“social loafing”). Girls had slightly higher ToM scores and social loafing than boys. Hierarchical regression, controlling for age, indicated that understanding of others’ false beliefs uniquely predicted social loafing and interacted weakly with gender status. 相似文献