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91.
INCREASING THE ACCURACY OF CORRECTIONS FOR RANGE RESTRICTION: IMPLICATIONS FOR SELECTION PROCEDURE VALIDITIES AND OTHER RESEARCH RESULTS 总被引:2,自引:1,他引:1
The common practice in meta-analyses and in individual studies of correcting for direct range restriction even though range restriction is actually indirect has long been known to lead to undercorrection, but this error has been assumed to be small. Using validity generalization data sets for 4 jobs, this study calibrated this error by comparing meta-analysis results based on corrections for direct range restriction with the more accurate results from a recently developed method of correcting for indirect range restriction. It was found that, on average, correction for direct range restriction resulted in substantial underestimation of operational validities for both job performance measures (21%) and training performance measures (28%). In addition, 90% credibility values were on average underestimated by 38%–40%. In addition to the implications for personnel selection, these findings suggest that similar underestimation of important relationships has occurred in other areas of research, with potential implications for theory development. 相似文献
92.
MICHELLE C. BLIGH MICHÈLE M. SCHLEHOFER BETTINA J. CASAD AMBER M. GAFFNEY 《Journal of applied social psychology》2012,42(3):560-597
Though research has demonstrated that media coverage of men and women politicians differ, fewer studies have examined the dual influence of gender stereotypes and types of media coverage in influencing public perceptions of women politicians. Study 1 (N = 329) examined how pre‐existing attitudes toward women leaders and valence of media message impacted perceptions of a woman senator and evaluations of the media source. Study 2 (N = 246) explored how media focus on a woman politician's personality or ability impacted perceptions of her warmth/likability and competence. Results suggest the media has particular influence on judgments of women politicians' likability (the “competent but cold” effect), providing evidence that women politicians need to be vigilant in monitoring their media depictions. 相似文献
93.
The combined influence of hardiness and cohesion on mental health in a military peacekeeping mission: A prospective study 下载免费PDF全文
Ådne G. Thomassen Sigurd W. Hystad Bjørn Helge Johnsen Grethe E. Johnsen Jon C. Laberg Jarle Eid 《Scandinavian journal of psychology》2015,56(5):560-566
A large number of studies have shown that hardiness and cohesion are associated with mental health in a military context. However, most of them are presented without controlling for baseline mental health symptoms, which is their most significant source of error. The present study investigates the combined effect of hardiness and cohesion in a prospective design, controlling for baseline levels of symptoms among Norwegian personnel serving in a peacekeeping operation in Kosovo. Multivariate regression analyses were performed in which self‐reported mental health complaints were regressed on our explanatory variables. Our findings suggest that both cohesion and hardiness contributed to increased stress resiliency, as measured by a lower level of reported mental health complaints. Our baseline measure of mental health accounted for a larger proportion of the variance than our other predictors. A significant interaction between cohesion and hardiness suggested a combined effect, over and above the individual contributions of the predictors. For individuals who scored high on hardiness, cohesion levels did not influence levels of mental health complaints. Individuals who scored low on hardiness, on the other hand, reported lower levels of mental health complaints when cohesion levels were high. 相似文献
94.
Younger adults recall more information from episodic memory tasks than do older adults. Because longitudinal studies are rare and often incompatible, the extent of actual late-life memory change is not well established. We assemble two different longitudinal samples of normal older adults, each of which is tested twice at a 3-year interval, using a large battery of episodic memory indicators. Together, two-wave data from both the Victoria Longitudinal Study in Canada (n = 400) and the Kungsholmen Project in Sweden (n = 168) cover a 40-year span of adulthood, ranging from 54 to 94 years of age. Principal memory tasks include categorizable word lists, story recall, and random word lists, as well as indicators of cognitive support. Overall, an examination of performance on sets of common and complementary episodic tasks reveals that, for both samples, actual 3-year changes are modest and that, when decline occurs, it is gradual. The exception-greater decline for more supported tasks-suggests that these may be especially sensitive to late-life changes. 相似文献
95.
Åsa Spännargård Simon Fagernäs Sven Alfonsson 《Counselling and Psychotherapy Research》2023,23(2):469-477
Work-related stress, or burnout, is elevated among healthcare staff but the specific risk factors for psychotherapists are not clear, which makes it difficult to design interventions to target this population. Therefore, the aim of this study was to investigate a set of background variables and work-related risk factors for burnout among psychotherapists. Potential protective factors such as level of education, number of years in the profession and access to clinical supervision were investigated. Symptoms of burnout were measured with the Copenhagen Burnout Inventory, and data were collected from 327 psychotherapists. In this group, 62% reported moderate or high levels of burnout symptoms, with significantly higher levels of personal- and work-related burnout than client-related burnout. Being female, having low self-perceived competence and working in the public sector were associated with higher levels of burnout. Other factors, such as age, work experience, level of education or having clinical supervision, were not associated with burnout after controlling for gender, perceived competence and workplace setting. These results confirm previous research that underlines the importance of perceived competence and control over one's work environment, and that women are at higher risk of burnout, possibly because of factors outside of work. The importance of perceived competence as a protective factor suggests that methods that increase therapeutic competence may play an important role in countering work-related stress. In conclusion, there may be a need to continue to develop and integrate specific burnout prevention interventions for psychotherapists. 相似文献
96.
We consider a version of so called T × W logic for historical necessity in the sense of R.H. Thomason (1984), which is somewhat special in three respects: (i) it is explicitly based on two-dimensional modal logic in the sense of Segerberg (1973); (ii) for reasons of applicability to interesting fields of philosophical logic, it conceives of time as being discrete and finite in the sense of having a beginning and an end; and (iii) it utilizes the technique of systematic frame constants in order to handle the problem of irreflexivity in tense logics, well known since Gabbay (1981). Axiomatizations are given for two infinite hierarchies of two-dimensional modal tense logics, one without and one with the characteristic operators for historical necessity and possibility. Strong and weak completeness results are obtained for both hierarchies as well as a result to the effect that two approaches to their semantics are equivalent, much in the spirit of Di Maio and Zanardo (1996) and von Kutschera (1997). 相似文献
97.
Any theory of explanation must account for the explanatory successes of statistical scientific theories. This should not be
done by endorsing determinism. These considerations have been taken as sufficient ground for rejecting the demand on explanations
to be deductive. The arguments for doing so, in Coffa (1974) and Salmon (1977, 1984, 1988), are, however, not persuasive.
Deductivism is a viable position. Considering that doubts can be raised against the explanatory validity of probabilistic
causal relations and the intuitive plausibility of deductivism, it is also a recommendable position, though elaboration is
needed in accounting for some of the uses of statistical theories in explanations.
This revised version was published online in June 2006 with corrections to the Cover Date. 相似文献
98.
My object is to question a recurrent claim made to the point that Thomas Reid (1710–1796) was hostile to ether theories and that this hostility had its source in his distinctive interpretation of the first of Newton's regulæ philosophandi. Against this view I will argue that Reid did not have any quarrel at all with unobservable or theoretical entities as such, and that his objections against actual theories concerning ether were scientific rather than philosophical, even when based on Newton's first rule. I argue further that Reid's insistence on Newton's rule concerns, not direct observation, but rather the notion of explanation itself. 相似文献
99.
In a study of 367 patients with myocardial infarction (MI), questionnaires were developed to assess two central aspects of perceived illness: factual and consensual illness knowledge and subjective expectations for the personal consequences of the MI. In a factor analysis, these two aspects of perceived illness were found to load on separate factors, and the patients views of the personal consequences of the MI were only moderately associated with their general cardiac health knowledge. Among a series of sociodemographic, medical, and psychological variables, including a standardized in-hospital patient education programme, the two aspects of perceived illness also proved to have different determinants. Differences in factual and consensual illness knowledge were mainly related to differences in formal education, and this aspect of perceived illness was influenced by the standardized education programme. In contrast, differences in subjective expectations were associated with levels of hopelessness. The implications for psychosocial interventions in the rehabilitation of MI patients are discussed. 相似文献
100.
NILS R. KARLSEN STIG S. FRØLAND IVAR REINVANG 《Scandinavian journal of psychology》1994,35(3):230-239
The relationship between neuropsychological test performance and immunological parameters was studied in 52 HIV-positive patients within different stages of the infection. All subjects were neuropsychologically tested, the CD4 + and CD8 4- lymphocyte count were measured in peripheral blood, and the concentration of neopterin and HIV-p24 antigen were measured in serum. Ten patients with AIDS were defined as neuropsychologically impaired. The CD8 + cell count was the only immunological parameter that could significantly discriminate between AIDS patients with and without neuropsychological impairment. For the total group, significant positive correlations were found between neuropsychological test results and the number of CD8 + and CD4 + lymphocytes, and significant negative correlations were observed between serum concentration of neopterin and neurocognitive function. Regression analyses showed that up to 51% of the variance in test performance could be explained by CD8 + cells and neopterin concentration. The possible role of CD8 + lymphocytes and neopterin in the pathogenesis of HIV-related CNS-dysfunction is discussed. 相似文献