Stereotype threat in the classroom: dejection mediates the disrupting threat effect on women's math performance

Research on stereotype threat, which is defined as the risk of confirming a negative stereotypic expectation about one's group, has demonstrated that the applicability of negative stereotypes disrupts the performance of stigmatized social groups. While it has been shown that a reduction of stereotype threat leads to improved performance by members of stigmatized groups, there is a lack of clear-cut findings about the mediating processes. The aim of the present study is to provide a better understanding of the mechanisms that stereotype threat causes in women working on mathematical problems. In addition, the study set out to test stereotype threat theory in a natural environment: high school classrooms. The experiment involved the manipulation of the gender fairness of a math test. The results indicate that the stereotype threat effect exists in this everyday setting. Moreover, it appears that dejection emotions mediate the effect of threat manipulation.     

Computersimulationen: Modellierungen 2. Ordnung

Summary  Es soll ein Beitrag zur epistemischen Charakterisierung von Computersimulationen als jenseits von Experiment und Theorie geleistet werden. Es wird argumentiert, dass die in der Simulationstechnik eingesetzten Verfahren nicht numerische L?sungen liefern, sondern deren Dynamik mittels generativer Mechanismen imitieren. Die Computersimulationen in der Klimatologie werden als systematisches wie historisches Fallbeispiel behandelt. Erst ,,Simulationsexperimente“ gestatten es, mittels Modellen eine Dynamik zu imitieren, ohne deren Grundgleichungen zu ,,l?sen“.     

Portraits of Life: Patterns of Events Over the Lifespan

This explorative content-analytic study completes earlier studies on the lifespan distributions of number and affect of past and future life-events, collected by means of the Life-line Interview Method (LIM), for three age groups of men and women (young, middle and late adulthood). LIM events were classified into 40 subcategories divided over 9 categories: Relations, School, Work, Health, Growth, Home, Birth, Death and Other. Compression of the full data set by age group, gender, affect, decade, and time perspective, disclosed various patterns of events underlying the human life-course, e.g., the 'bump,' 'rosy view' and 'gender phase contrast' patterns. The compressed data set provided detailed material for the composition of three written group portraits of life, reflecting the modal life story of young, middle-aged and older men and women. Patterns and portraits show a content shift of past memories and future expectations over the lifespan, supporting a more dynamic view on the human life-course.     

The effects of spelling consistency on phonological awareness: a comparison of English and German

Within alphabetic languages, spelling-to-sound consistency can differ dramatically. For example, English and German are very similar in their phonological and orthographic structure but not in their consistency. In English the letter a is pronounced differently in the words bank, ball, and park, whereas in German the letter a always has the same pronunciation (e.g., Ball, Park, Bank). It is often argued that reading acquisition has a reciprocal effect on phonological awareness. As reading is acquired, therefore, spoken language representation may be affected differently for English and German children. Prior to literacy acquisition, however, phonological representation in English and German children should be similar due to the similar phonological structure of the two languages. We explored this hypothesis by comparing phonological awareness at the rime and phoneme levels in prereaders and beginning readers in English and German. Similar developmental effects were indeed observed in prereaders, but differential effects had emerged within the first year of reading instruction.     

Utility of the impact of event scale in screening for posttraumatic stress disorder

This study assesses the optimal cut-off point for the Impact of Event Scale and compares its screening properties with those of the Self-rating Inventory for Posttraumatic Stress Disorder among war-related trauma victims. 74 patients with war-related trauma were administered the Impact of Event Scale and the Self-rating Inventory for Posttraumatic Stress Disorder, followed 1 wk. later by the Clinician-administered PTSD Scale. Receiver operating characteristic analysis indicated for the Impact of Event Scale a sensitivity of .77 and a specificity of .51 at a cut-off value of 36. For the Self-rating Inventory for Posttraumatic Stress Disorder a sensitivity of .86 and a specificity of .69 were found at a cut-off value of 52. The authors conclude that careful use of the Impact of Event Scale as a screening measure for Posttraumatic Stress Disorder is warranted.     

Second-order statistics of colour codes modulate transformations that effectuate varying degrees of scene invariance and illumination invariance

We argue, from an ethology-inspired perspective, that the internal concepts 'surface colours' and 'illumination colours' are part of the data format of two different representational primitives. Thus, the internal concept of 'colour' is not a unitary one but rather refers to two different types of 'data structure', each with its own proprietary types of parameters and relations. The relation of these representational structures is modulated by a class of parameterised transformations whose effects are mirrored in the idealised computational achievements of illumination invariance of colour codes, on the one hand, and scene invariance, on the other hand. Because the same characteristics of a light array reaching the eye can be physically produced in many different ways, the visual system, then, has to make an 'inference' whether a chromatic deviation of the space-averaged colour codes from the neutral point is due to a 'non-normal', ie chromatic, illumination or due to an imbalanced spectral reflectance composition. We provide evidence that the visual system uses second-order statistics of chromatic codes of a single view of a scene in order to modulate corresponding transformations. In our experiments we used centre surround configurations with inhomogeneous surrounds given by a random structure of overlapping circles, referred to as Seurat configurations. Each family of surrounds has a fixed space-average of colour codes, but differs with respect to the covariance matrix of colour codes of pixels that defines the chromatic variance along some chromatic axis and the covariance between luminance and chromatic channels. We found that dominant wavelengths of red-green equilibrium settings of the infield exhibited a stable and strong dependence on the chromatic variance of the surround. High variances resulted in a tendency towards 'scene invariance', low variances in a tendency towards 'illumination invariance' of the infield.     

Playing for the thrill and skill. Quiz games as means for mood and competence repair

ABSTRACT

Recent studies have found that digital games can be used to improve the players’ mood, especially after emotionally unpleasant experiences. We introduce competence repair as an extension of previous work on mood repair. To investigate the effects of digital games on both mood and competence repair, we conducted 3 studies using quiz games. In the quasi-experimental Study 1 (N = 143), we manipulated the necessity for repair via a false feedback task (positive vs. negative), and looked at the impact of in-game success (victory vs. defeat). In the experimental Studies 2 (N = 91) and 3 (N = 109), we aimed at conceptually replicating and extending the findings on the impact of in-game success by varying participants’ success over a series of 4 matches (Study 2: close game outcomes, Study 3: clear victory/defeat). The results of these studies indicate that the efficacy of digital games for mood repair, as well as competence repair, depends on the necessity for repair, as well as success in the game. However, competence repair occurred even after participants were defeated repeatedly in a series of close matches. These results are discussed in light of the potential of digital games for fulfilling (previously thwarted) psychological needs.     

Warm or competent? Improving intergroup relations by addressing threatened identities of advantaged and disadvantaged groups

Applying the Needs‐Based Model of Reconciliation to contexts of group disparity, two studies examined how messages from outgroup representatives that affirmed the warmth or competence of advantaged or disadvantaged groups influenced their members' intergroup attitudes. Study 1 involved natural groups differing in status; Study 2 experimentally manipulated status. In both studies, advantaged‐group members responded more favorably, reporting more positive outgroup attitudes and willingness to change the status quo toward equality, to messages reassuring their group's warmth. Disadvantaged‐group members responded more favorably to messages affirming their group's competence. Study 2 further demonstrated that the effectiveness of reassuring a disadvantaged group's competence stemmed from restoring its threatened dimension of identity, irrespective of a change of the status quo. In line with Social Identity Theory (Tajfel & Turner, 1979), these results indicate that beyond the competition over tangible resources, groups are concerned with restoring threatened dimensions of their identities. Exchanging messages that remove identity‐related threats may promote not only positive intergroup attitudes but also greater willingness to act collectively for intergroup equality. Copyright © 2013 John Wiley & Sons, Ltd.     

Main and moderating effects of self-control,organizational justice,and emotional labour on counterproductive behaviour at work

Abstract

Considerable attention has been devoted recently to changes in the psychological contract and the implications for HRM. However, much of our understanding of both the socio-cognitive processes involved in the contracting process and the ability of national HRM systems to accommodate the new demands of psychological contracting is accultural or unicultural. This article reviews the content, process, and context of changes in the contract within Europe. A model of the relationship between national culture and other cross-national factors and the process of contracting is developed.