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1.
We propose 2 related models for the meta-analysis of diagnostic tests. Both models are based on the bivariate normal distribution for transformed sensitivities and false-positive rates. Instead of using the logit as a transformation for these proportions, we employ the tα family of transformations that contains the log, logit, and (approximately) the complementary log. A likelihood ratio test for the cutoff value problem is developed, and summary receiver operating characteristic (SROC) curves are discussed. Worked examples showcase the methodology. We compare the models to the hierarchical SROC model, which in contrast employs a logit transformation. Data from various meta-analyses are reanalyzed, and the reanalysis indicates a better performance of the models based on the tα transformation. (PsycINFO Database Record (c) 2012 APA, all rights reserved).  相似文献   
2.
Various stimulus components (video, orally-presented questions) and response components (multiple-choice, written, orally-given replies) of situational judgement tests of occupational social competency were investigated as to their impact upon the validity for a behavior-oriented role playing criterion while keeping test content constant. The stimulus component video alone had no impact upon validity. The response components contributed to validity. Validity increased with improved fidelity of response components. Concerning stimulus-response-combinations, the validity of two video tests (r = 0.17 and r = 0.36) was not higher than the validity of similar oral questioning (r = 0.13 and r = 0.37) but was significantly lower than a situational interview (r = 0.59). Response fidelity proved to be a bottleneck regarding validity of video tests. As a result, it is recommended that, in order to maximize validity of video and multimedia efforts, the developers of video- and multimedia tests focus special attention on response fidelity.  相似文献   
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In this study with within-subject design, the “be-creative effect” was investigated using three instructions in figural divergent-thinking tasks: Besides a be-fluent instruction, a be-creative instruction, and a be-creative instruction combined with strategies were applied. In addition, reasoning ability as part of fluid intelligence, self-reported creative ideation, current motivation after reading the instructions, and task-related interest were assessed. Multilevel analysis applying random-intercept-constant-slope models found significant main effects of the instructions on creative performance and fluency. Both be-creative instructions yielded a rise in creative performance in divergent thinking tasks with additional improvement due to supporting strategies. The be-fluent instruction enhanced the quantity of ideas but decreased creative performance. Task-related interest turned out to be a better predictor of creative performance than the self-estimated expected interest prior to working on the task. Moreover, the relationship of creative performance and reasoning ability was moderated by instruction, with no relationship with a be-fluent instruction and small to moderate positive effects with both instructions emphasizing creative ideas.  相似文献   
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This article presents the Religious Schema Scale (RSS). Its conceptual background is the model of religious styles. After a conceptual discussion of the relation between religious styles and religious schemata, the steps of scale construction are reported. Based on 822 responses from research participants in the United States and Germany to a preliminary 78-item version, we used construct-oriented iterative and factor-analytic procedures for reducing the RSS to a 15-item version that consists of three 5-item subscales with acceptable reliabilities. Confirmatory factor analysis indicates that the RSS has a robust 3-factor structure, which is cross-culturally valid in both the United States and Germany. We report correlations of the RSS with the Big Five, Psychological Well-Being, Religious Fundamentalism, and Right-Wing Authoritarianism. We also present predictive characteristics of the RSS in regard to Fowler's stages of faith. Finally, we report results on the incremental validity of the RSS.  相似文献   
6.
In this study the authors attempt to present different types of Religious/Spiritual Well-Being (RSWB) and discuss their relation to personality and psychological well-being. The Multidimensional Inventory for Religious/Spiritual Well-Being 48 is employed for this study, which consists of 6 subscales. To find different types of RSWB, an agglomerative cluster analysis on these subscales was performed based on the responses obtained in a nonclinical adult sample (n = 463). A 4-cluster solution was accepted. The clusters were labeled as Religious/Spiritual High, Religiously Oriented, Existentially Oriented, and Religious/Spiritual Low, and were found to be substantially related to Sense of Coherence (n = 263) and Six Factors of Personality (n = 200) in two different subsamples. By presenting a first empirical model for a 4-field typology of RSWB, we hope to further contribute to the ongoing discussion on how to deal with religious/spiritual issues in personality research.  相似文献   
7.
Pathological gambling is characterized by excessive gambling behavior which influences the life and well-being of a person in a dysfunctional way. It often leads to severe consequences in social and family life, career and material matters. This can also include illegal acts. In the Diagnostic and Statistical Manual of Mental Disorders IV (DSM-IV) excessive gambling was classified under impulse-control disorders but was renamed as gambling disorder (GD) and reclassified under the category “substance-related and addictive disorders” in DSM-5, due to parallels to substance use disorders in the clinical characteristics as well as genetic and neurobiological factors. In Germany, approximately 0.5?% of the adult population suffer from GD. Especially gambling machines are associated with an increased risk of gambling-related problems. Common comorbidities are substance-related and affective disorders. The most important risk factors are young age, male gender, a history of migration, gambling-related problems in the family, unemployment, a low educational level and low household income. Delinquent behavior was not considered to be a sufficiently discriminative factor for GD, although there is a correlation between delinquency and gambling behavior. In addition, those GD subjects who show delinquent behavior also show a specific risk profile. Thus, mental health professionals should be aware of possible psychosocial consequences in GD, such as illegal acts, and this should be addressed in the effective treatment strategies, such as cognitive behavioral therapy. Moreover, it is necessary to improve the access routes for affected people into healthcare system in order to ensure early detection and treatment of the disease.  相似文献   
8.
Two studies examined the influence of coping dispositions (repression, sensitization, and nondefensiveness) and anxiety on the encoding and memory representation of ambiguous threat-related stimuli. In Study 1, memory was tested shortly after encoding. Study 2 contrasted immediate and delayed testing. Repressers showed evidence of "mixed" affective reactions to ambiguous stimuli at encoding, accompanied by weak memory representation of potentially threatening implications of these stimuli. In contrast, sensitizers and anxious individuals manifested a processing bias in favor of threatening implications of ambiguous stimuli. Influences of coping on memory were most pronounced for delayed testing. Anxiety influences on memory were weak. An expectancy-based account of individual differences in processing ambiguous stimuli is discussed.  相似文献   
9.
In 2 experiments, German-speaking dyslexic children (9-year-olds) showed impaired learning of new phonological forms (pseudonames) in a variety of visual-verbal learning tasks. The dyslexic deficit was also found when phonological retrieval cues were provided and when the to-be-learned pseudonames were presented in spoken as well as printed form. However, the dyslexic children showed no name-learning deficit when short, familiar words were used and they also had no difficulty with immediate repetition of the pseudowords. The dyslexic children's difficulty in learning new phonological forms was associated with pseudoword-repetition and naming-speed deficits assessed at the beginning of school, but not with phonological awareness and visual-motor impairments. We propose that the difficulty in learning new phonological forms may affect reading and spelling acquisition via impaired storage of new phonological forms, which serve as phonological underpinnings of the letter patterns of words or parts of words.  相似文献   
10.
With about 28,000 asylum requests a year since 1990, Switzerland is one of the western countries with the highest inflow of refugees. The aim of this article is to answer two questions: What is the role of refugees in the Swiss economy? and what are the factors influencing their incorporation into the labour market? The research is based on the multivariate analysis of an individual database of 110,000 asylum seekers and refugees, in-depth interviews and 174 questionnaires to refugees and employers.  相似文献   
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