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51.
Chueh-An Hsieh Alexander A. von Eye Kimberly S. Maier 《Multivariate behavioral research》2013,48(3):508-552
The application of multidimensional item response theory models to repeated observations has demonstrated great promise in developmental research. It allows researchers to take into consideration both the characteristics of item response and measurement error in longitudinal trajectory analysis, which improves the reliability and validity of the latent growth curve (LGC) model. The purpose of this study is to demonstrate the potential of Bayesian methods and the utility of a comprehensive modeling framework, the one combining a measurement model (e.g., a multidimensional graded response model, MGRM) with a structural model (e.g., an associative latent growth curve analysis, ALGC). All analyses are implemented in WinBUGS 1.4.3 (Spiegelhalter, Thomas, Best, &; Lunn, 2003), which allows researchers to use Markov chain Monte Carlo simulation methods to fit complex statistical models and circumvent intractable analytic or numerical integrations. The utility of this MGRM-ALGC modeling framework was investigated with both simulated and empirical data, and promising results were obtained. As the results indicate, being a flexible multivariate multilevel model, this MGRM-ALGC model not only produces item parameter estimates that are readily estimable and interpretable but also estimates the corresponding covariation in the developmental dimensions. In terms of substantive interpretation, as adolescents perceived themselves more socially isolated, the chance that they are engaged with delinquent peers becomes profoundly larger. Generally, boys have a higher initial exposure extent than girls. However, there is no gender difference associated with other latent growth parameters. 相似文献
52.
Markus A. Maier Andrew J. Elliot Borah Lee Stephanie Lichtenfeld Petra Barchfeld Reinhard Pekrun 《Motivation and emotion》2013,37(3):389-401
Recent research has shown that the color red can influence psychological functioning. In the present research we tested the hypothesis that red influences impression formation related to another person’s abilities. We conducted three experiments examining the influence of red on the evaluation of male target persons. In Experiment 1, participants viewing red, relative to green, on the shirt of a person presented on a photograph perceived him to be less intelligent. This effect was strongest in a job application context compared to other contexts. In Experiment 2, focusing solely on the job application context, participants viewing red, relative to blue, on an applicants’ tie perceived him to have less earning and leadership potential. In Experiment 3, participants viewing red, relative to green, on a job applicants’ tie rated him as less likely to be hired, and perceptions of ability and leadership potential mediated this effect. Both the conceptual and applied implications of these findings are discussed. 相似文献
53.
Research has shown that social support and materialism can both serve as coping mechanisms, reducing individuals’ experiences of physical and social pain (Zhou and Gao in Psychol Inq 19(3–4):127–144, 2008). We extend this paradigm by testing the buffering effects of secure attachment and material reward on a specific form of social psychological pain: romantic jealousy. Two studies examined the effects of these variables after an imagined relational threat. Participants were primed with (a) secure attachment, (b) material reward, or (c) neutral control, and then responded to a hypothetical scenario involving their romantic partners behaving flirtatiously with a rival. Results from both studies showed that the secure attachment and material reward primes both attenuated jealous responses to the provoking stimuli, relative to the neutral control prime. Neither trait attachment styles nor chronic jealousy moderated the priming effects in Study 1, but attachment styles did slightly moderate the priming effects in Study 2. 相似文献
54.
Although creativity techniques are highly recommended in working environments, their effects have been scarcely investigated. Two cognitive processes are often considered to foster creative potential and are, therefore, taken as a basis for creativity techniques: knowledge activation and conceptual combination. In this study, both processes were enhanced individually and jointly with an appropriate technique. Knowledge activation was fostered by the mind-map technique and conceptual combination by the random-input technique. The random-map technique evolved from merging these two techniques together. The two different techniques were tested in a 2 × 2 factorial experimental design with 80 participants. It was assumed that (a) both individual techniques would enhance creative potential when compared to the control group, and (b) the combined technique would lead to more creative potential than implementing the techniques individually. Results showed an increased creativity level of each of the individual techniques when compared to the control group. The combined creativity technique resulted in even higher creativity level when compared to both individual techniques. Thus, fostering different creativity processes jointly had an additive effect on creative potential. 相似文献
55.
Steinhauser M Maier M Hübner R 《Journal of experimental psychology. Human perception and performance》2008,34(1):158-176
The present study investigated the mechanisms underlying error detection in the error signaling response. The authors tested between a response monitoring account and a conflict monitoring account. By implementing each account within the neural network model of N. Yeung, M. M. Botvinick, and J. D. Cohen (2004), they demonstrated that both accounts make different predictions as to how error signaling performance is influenced by varying the participants' response criterion. These predictions were tested in an experiment using the Eriksen-flanker task. The qualitative pattern as well as a model fit favored the response monitoring account, which states that error detection is mediated by detecting internal error corrections. 相似文献
56.
Although direct scaling methods have been widely used in the behavioral sciences since the 1950s, theoretical approaches which could clarify the implicit assumptions inherent in Stevens' ratio scaling approach were developed only recently. Today, it is generally accepted that the axioms of commutativity and multiplicativity are fundamental to the subjects' ratio scaling behavior. Therefore, both axioms were evaluated in ratio production of area. Participants were required to adjust the area of a variable circle to prescribed ratio production factors. The results are in accordance with previous empirical findings: commutativity was satisfied, whereas multiplicativity failed to hold. Additionally, the validity of the monotonicity property was analyzed, which postulates that the subjects' adjustments in a ratio production experiment preserve the mathematical order of the ratio production factors. Monotonicity was satisfied empirically, which is consistent with all the current theories of ratio scaling. 相似文献
57.
When good pain turns bad 总被引:1,自引:0,他引:1
Classically, pain is viewed as being mediated solely by neurons. However, recent research has shown that activated glial cells (astrocytes and microglia) within the spinal cord amplify pain. These nonneuronal cells play a major role in the creation and maintenance of pathological pain. Glia become activated by immune challenges (viral or bacterial infection) and by substances released by neurons within the pain pathway. Activated glia amplify pain by releasing proinflammatory cytokines. Taken together, research findings suggest a novel approach to human pain control that targets glia. In addition, it is likely that such glial-neuronal interactions are not unique to pain, but rather reflect a general rule of sensory processing. 相似文献
58.
Stephanie Lichtenfeld Markus A. Maier Andrew J. Elliot Reinhard Pekrun 《Journal of experimental social psychology》2009,45(6):1273-1276
Recent research has shown that a two second glimpse of color can have an important influence on affect, cognition, and behavior. The present research examined whether perceiving color is necessary to produce an effect on psychological functioning or whether the mere act of processing a color word might be sufficient. Specifically, four experiments tested the hypothesis that processing the word red undermines intellectual performance, much like actually perceiving the color red. Supportive data were obtained with three different types of subtle manipulation, with three different types of control words, and on two different types of IQ test performance. Worry, but not mood or general arousal, was shown to mediate the semantic red effect, which appears to take place outside of individuals’ awareness. The theoretical and practical implications of the results are discussed. 相似文献
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