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581.
Shaul Fox Sigal Levonai-Hazak Michael Hoffman 《International Journal of Selection & Assessment》1995,3(1):20-28
The present study assessed three of Klimoski and Brickner's 1 1 See Klimoski and Brickner (1987) in reference list.
explanations for assessment centres' predictive validity: criterion contamination, the influence of biodata, and the effect of assessed intellectual level. Data were collected in a major Israeli industrial organisation on the job performance and advancement of 91 managers who had participated in an assessment centre four to seven years earlier. Little empirical support was garnered for Klimoski and Brickner's claims. Assessment centre scores were found to be similarly correlated in a significant fashion with both contaminated and uncontaminated criteria of later management performance. Although biodata and intelligence variables were correlated with assessors' evaluations, they did not notably contribute to the predictive validity of assessment centre scores. It seems that information reached by observing behaviours reflected during exercises and simulations are the main factors affecting the validity of assessment centres. 相似文献
explanations for assessment centres' predictive validity: criterion contamination, the influence of biodata, and the effect of assessed intellectual level. Data were collected in a major Israeli industrial organisation on the job performance and advancement of 91 managers who had participated in an assessment centre four to seven years earlier. Little empirical support was garnered for Klimoski and Brickner's claims. Assessment centre scores were found to be similarly correlated in a significant fashion with both contaminated and uncontaminated criteria of later management performance. Although biodata and intelligence variables were correlated with assessors' evaluations, they did not notably contribute to the predictive validity of assessment centre scores. It seems that information reached by observing behaviours reflected during exercises and simulations are the main factors affecting the validity of assessment centres. 相似文献
582.
It is well established that requiring a person to respond to a recently ignored object in a visual selection task leads to slower responding (i.e., negative priming). In the present experiment, subjects identified target letters flanked by incompatible distractor letters on prime and probe displays. Prime display distractors appeared as the target letter on one third of subsequent probe displays. We manipulated stimulus strength by means of intensity contrast between letter displays and their background. Displays were presented with either high contrast (white against a black background) or low contrast (dark gray against a black background). The important finding was that negative priming was maximal when prime and probe displays shared the same intensity contrast. These results suggest that greater similarity between prime and probe displays results in improved retrieval of prime display information. The results provide strong support for an episodic retrieval account of negative priming. 相似文献
583.
Rhonda, a physician, and Clara, a registered nurse, have been lovers for the past 7 years. Both women are in their 30s, in good health, and financially stable. Clara has contacted Dr. Robinson, a highly regarded obstetrician and geneticist, with an unusual request. Clara is seeking to become pregnant by means of in vitro fertilization (IVF) with an embryo transfer (ET) technology. She proposes being implanted with ova harvested from her partner, Rhonda, and fertilized in vitro with donor sperm from a local medical-school sperm bank. Dr. Robinson explains the relatively low success rate involved in IVF and ET techniques and suggests artificial insemination of Clara's own ova. Clara and Rhonda understand the low success rates but are undeterred. Their mutual goal is not merely to have a child but to share in the maternity of their children. What ethical issues are raised by the plan Clara and Rhonda propose? What are Dr. Robinson's ethical responsibilities with respect to the request by Clara and Rhonda? 相似文献
584.
Fox RC 《Kennedy Institute of Ethics journal》1993,3(2):231-239
The author discusses the ways in which she finds the University of Pittsburgh Medical Center protocol for procuring organs from "non-heart-beating cadaver donors" medically and morally questionable and irreverent. She also identifies some of the factors that contributed to the composition of this troubling protocol, and to its institutional approval. 相似文献
585.
Linda L. Viney Levinia Crooks Beverly M. Walker Rachael Henry 《American journal of community psychology》1991,19(2):279-287
Addressed both the psychological frailness and strength in an AIDS-affected community. The gay community in Sydney, Australia, was represented by men who were seropositive (n = 60) and voluntary caregivers (n = 60). They were compared with two samples of men outside the gay community, who were ill with non-AIDS-related medical conditions (n = 30), and well (n = 30). Their psychological frailness and strength were measured by content analysis scales. Both the seropositive men and the caregivers showed the frailness of anxiety, indirectly expressed anger and helplessness, but also the compensating strength of greater personal competence and good feeling relative to the other men. The men who were seropositive or had other illnesses showed the predicted frailness of anxiety and depression but neither indirectly expressed anger nor helplessness. The seropositive men and caregivers of the gay community differed from each other only in the high levels of depression of the former. 相似文献
586.
Subjects in experimental conditions were exposed to a traumatic autopsy colour slide (labelled either as of New York Police Department (NYPD) or MGM studio origin) embedded in a neutral series of travel scenes, while control subjects saw a neutral target. Subjects in the high-stress condition showed a significant decrease in memory for neutral slides which followed the NYPD-labelled traumatic stimulus (p < 0.001). Results support evidence in the eyewitness memory field which indicate reduced recall under elevated levels of stress. 相似文献
587.
Ronald F. Fox 《Zygon》1997,32(3):393-406
Many solar systems in the universe may be expected to contain rocky planets that have accreted organic compounds. These compounds are likely to be universally found. In addition, the chemistry of sulfur, phosphorus, and iron is likely to dominate energy transductions and monomer activation, leading to the eventual emergence of polymers. Proteins and polynucleotides provide living matter with function, structure, and information. The conceptual puzzle regarding their emergence is discussed. The fitness of various elements to serve various roles is analyzed from the viewpoint of electron orbitals. Elements with d orbitals are of central importance. 相似文献
588.
Roger A. Dixon Diane P. Fox Lee Trevithick Rebecca Brundin 《Journal of Adult Development》1997,4(4):195-208
Collaborative problem solving occurs in situations in which two or more individuals cooperate in appraising, representing,
and solving a variety of cognitive tasks. Collaborative groups are the context for much everyday cognitive activity in adulthood.
Collaboration has been explored as a means through which older adults may maintain high levels of performance, perhaps compensating
for individual-level cognitive and neurological decline. This study explored the effects of collaboration (group size) and
adult age on solving both fixed- and unrestricted-alternatives 20 Questions tasks. Younger (M=24.3 years) and older (M=67.9 years) adults were randomly assigned to one of three homogeneous group size conditions: individuals, dyads, and tetrads.
Results indicated some dissociation between individual-level performance (poorer for older adults) and collaborative performance
(better for older adults). For the fixed-alternatives task, older adults produced more of the relatively inefficient hypothesis-scanning
questions than did younger adults. In contrast, older collaborative groups produced more of the efficient constraint-seeking
questions than hhpothesis-scanning questions, and an amount equivalent to that of younger adults. Overall performance for
the difficult unrestricted-alternatives task was less efficient for both younger and older adults. The roles of task type,
group characteristics, and adult age are discussed. 相似文献
589.
Miron Zuckerman Richard H Brown Gary L Fischler Geri A Fox Drew R Lathin Ara J Minasian 《Journal of research in personality》1979,13(2):161-174
Two studies examined situational determinants of choice among anagram tests that varied both in difficulty and in diagnosticity (the information they provided about one's own ability). In both studies, subjects worked on a preliminary anagram test before making their choices. Study 1 manipulated level of performance on the preliminary test. Results showed that high performance led to preferring more difficult and more diagnostic tests. In Study 2, subjects were either paid or not paid for their performance on the preliminary test. Results showed that pay led to a preference for more diagnostic tests. Unexpectedly, results of both studies showed that although difficulty and diagnosticity were defined independently of one another, they were not perceived as such. Thus, high diagnostic tests were perceived as more difficult; more difficult tests were perceived as more diagnostic; and the difference between high and low diagnostic tests in perceived diagnosticity and choice of items (high diagnostic tests had higher scores on both measures) were more pronounced among more difficult tests. Motivational as well as cognitive interpretations of the results were discussed. 相似文献
590.