Sleep after learning aids memory recall

In recent years, the effect of sleep on memory consolidation has received considerable attention. In humans, these studies concentrated mainly on procedural types of memory, which are considered to be hippocampus-independent. Here, we show that sleep also has a persisting effect on hippocampus-dependent declarative memory. In two experiments, we examined high school students' ability to remember vocabulary. We show that declarative memory is enhanced when sleep follows within a few hours of learning, independent of time of day, and with equal amounts of interference during retention intervals. Sleep deprivation has a detrimental effect on memory, which was significant after a night of recovery sleep. Thus, fatigue accumulating during wake intervals could be ruled out as a confound.     

Development of a Situation-Response Inventory for Managerial Selection

The development is reported of an SR-inventory of achievement-related behaviour for the purpose of managerial selection. SR-inventories stem from interactional personality psychology. As the design of an SR-inventory is two-facetted, Cronbach et al.'s generalizability theory forms a suitable framework to investigate it. Using data of 404 Dutch respondents — mostly applicants — several generalizability analyses have been performed to conclude under which circumstances the inventory can be a useful tool. Furthermore, confirmatory factor analysis has been used to substantiate the suggested SR-structure of the instrument. The relationship with other personality factors has been investigated to classify the instrument in the domain of personality assessment.     

Prediction of Entrepreneurial Success: The Development of a Rating Scale for Entrepreneurial Characteristics

Predicting entrepreneurial success is a complex task, which is performed more or less daily by consultants for small business firms. In this study, the development of an entrepreneurial rating scale designed to assist consultants in assessing the behavioural characteristics of starting entrepreneurs is reported. A model was formulated that incorporates two features of the prediction of entrepeneurial success: (a) entrepreneurial characteristics as well as aspects of the future job (present in the entrepreneurial plan) are appraised, (b) advising is part of the prediction issue, e.g. certain aspects of the entrepreneurial plan may be modified. The model is a variant of‘adaptive selection’, and is partly operationalized in the rating scale for entrepreneurial characteristics. Three studies were conducted with regard to the first feature: judgements on the relevance of situational and behavioural characteristics were obtained from several samples of consultants (N= 38, 23 and 48), and a sample of starting entrepreneurs (N= 61) was rated on behavioural characteristics. The findings indicate that consultants have a common opinion about the behavioural requirements for starting entrepreneurs and that some of these requirements covary with situational characteristics (i.e. general business features). Implications of these findings are discussed in relation to the possible design of a validation study.     

Life Stressors, Social Support, and Depressive Symptoms Among First-Time Welfare Recipients

This paper examines the associations among stressful life events, social support, and depressive symptoms in a sample of 580 first-time welfare recipients. Self-reported number of depressive symptoms was greater than in corresponding community samples. Stressors and social supports made independent main effect contributions to depressive symptoms in a multiple regression analysis. Women with transportation barriers to employment, those experiencing greater numbers of stressful life events, and those who were less satisfied with their housing situation reported greater numbers of depressive symptoms. In contrast, women who were more satisfied with their social support and those with higher attendance at religious services reported fewer depressive symptoms. Implications for welfare reform policy and programs are discussed.     

Comparing Correlates of Civic Engagement Between Immigrant and Majority Youth in Belgium,Germany, and Turkey

Drawing on data from a large-scale international project, this research examined predictors of civic engagement between immigrant (n = 599) and majority youth (n = 1,027) in Belgium, Germany, and Turkey. In all three countries immigrants were found to be more civically engaged than their majority peers. Further, based on the assumptions of the civic voluntarism model, civic engagement was predicted by resources, social experiences, and psychological engagement (i.e., internal political efficacy). The results showed that predictors differed by ethnic background. Although internal political efficacy beliefs were only found to be a significant predictor of civic engagement among majority youth, involvement in social networks was found to be a more meaningful predictor among immigrant youth. These results are discussed in terms of theoretical and practical implications.     

An Experimental Investigation of Election Promises

We analyze the effect of election promises on electoral behavior in a laboratory experiment. In the experiment, politicians can make nonbinding election promises about how to split an endowment between themselves and the group. We find that promises affect both voting and voter beliefs about how much the politician will contribute to the public fund. The relationship is inverted U‐shaped with decreasing credibility of higher promises. Contributions of politicians are correlated with their promises in a similar pattern. The election promises are generally credible unless particularly high. Politicians keep promises more often if a reelection is possible and if the politician came into power by vote rather than by random draw. Voters reward high contributions in the previous period and punish promise breaking even after controlling for the contribution in the previous period or voters' beliefs about future contributions. By controlling for voters' beliefs, we distinguish retrospective from prospective voting. Our results suggest that voters both use promises for prospective voting and retrospectively punish broken promises.     

How Emotional Intelligence Might Get You the Job: The Relationship Between Trait Emotional Intelligence and Faking on Personality Tests

This study examined trait emotional intelligence (EI) in relation to the ability to fake on personality tests. Undergraduate students (N = 129) were first instructed to fill out a personality inventory honestly, and subsequently in such a way as to maximize their chances of obtaining two distinctive job positions (lawyer and file clerk). Participants were able to change their scores in line with the hypothesized job profiles. Regression analyses showed that EI statistically predicted faking ability to an equal degree in both job scenarios. Finally, EI showed incremental validity over general mental ability and the Big Five personality traits in predicting the ability to fake. Possible implications of the results for the predictive validity of personality tests are discussed.     

Implicit Trait Policies in Multimedia Situational Judgment Tests for Leadership Skills: Can They Predict Leadership Behavior?

To explain why situational judgment tests are often correlated with personality measures, Motowidlo, Hooper, and Jackson (2006a Motowidlo, S. J., Hooper, A. C. and Jackson, H. L. 2006a. Implicit policies about relations between personality traits and behavioral effectiveness in situational judgment items. Journal of Applied Psychology, 91: 749–761. [Crossref], [PubMed], [Web of Science ®] , [Google Scholar], 2006b Motowidlo, S. J., Hooper, A. C. and Jackson, H. L. 2006b. “A theoretical basis for situational judgment tests”. In Situational judgment tests: Theory, measurement, and application, Edited by: Weekley, J. A. and Ployhart, R. E. 57–81. Mahwah, NJ: Erlbaum.  [Google Scholar]) developed the implicit trait policy theory. Implicit trait policies are beliefs about causal relationships between personality traits and behavioral effectiveness. Among 180 employees, this field study examined whether a multimedia situational judgment test that was intended to assess leadership skills can capture individual differences in such policies. Furthermore, it was examined whether these implicit trait policies were able to predict leadership behavior. Results confirmed that the situational judgment test was able to capture individual differences in implicit trait policies for Extraversion and Conscientiousness. Furthermore, results showed that implicit trait policies for Extraversion can predict leadership behavior over and above leadership experience and the associated personality trait.     

Assessor Constructs in Use as the Missing Component in Validation of Assessment Center Dimensions: A critique and directions for research

The basis for assessment center dimension ratings has been examined through the lens of various multitrait–multimethod approaches, with some researchers concluding that dimension ratings are not representative of meaningful constructs. This presents a serious challenge for those who would generalize predictor constructs, particularly those that are broadly articulated in management assessment center dimensions. This paper addresses the problems with applying such analyses to assessment center dimension ratings without first articulating expected construct relationships. Ackerman and Humphreys' analysis of constructs will be used to better frame assessment center dimensions and to articulate possible assessor constructs in use. Theories of performance held by the managers, who serve both as subject matter experts when dimensional constructs are initially defined, and as the assessors who impose these dimensions on assessees' behavior in assessment center ratings, are suggested as important bases for further construct validation. Approaches for generalization of assessor constructs in use to the managerial work domain will be discussed.