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211.
212.
J.Petter Gustavsson Nancy L. Pedersen Marie Åsberg Daisy Schalling 《Personality and individual differences》1996,21(6):1067-1071
In this study a behavior-genetic approach was used to identify sources of individual differences in Aggression-, Hostility- and Anger-related (AHA) personality traits (as measured with Spielberger's anger scales and scales from the Karolinska Scales of Personality), based on a sample (N = 140 individuals) that comprised of monozygotic twin pairs reared together (Npairs = 26) or reared apart (Npairs = 15), and dizygotic twin pairs reared together (Npairs = 29). In general, the results suggest that environmental factors account for sibling similarity in hostility, whereas genetic factors account for sibling similarity in angry aggression and irritability (trait anger). 相似文献
213.
Effects of reinforcement history on responding under progressive-ratio schedules of reinforcement. 总被引:5,自引:5,他引:0
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S L Cohen J Pedersen G G Kinney J Myers 《Journal of the experimental analysis of behavior》1994,61(3):375-387
The effects of experimental history on responding under a progressive-ratio schedule of reinforcement were examined. Sixteen pigeons were divided into four equal groups. Groups 1 to 3 were trained to peck a key for food under a fixed-ratio, variable-ratio, or differential-reinforcement-of-low-rate schedule of reinforcement. After training, these pigeons were shifted to a progressive-ratio schedule, later were shifted back to their original schedule (with decreased rates of reinforcement), and finally were returned to the progressive-ratio schedule. Pigeons in Group 4 (control) were maintained on the progressive-ratio schedule for the entire experiment. To test for potential "latent history" effects, pigeons responding under the progressive-ratio schedule were injected with d-amphetamine and given behavioral-momentum tests of prefeeding and extinction. Experimental histories affected responding in the immediate transition to the progressive-ratio schedule; response rates of pigeons with variable-ratio and fixed-ratio histories were higher than rates of pigeons with differential-reinforcement-of-low-rate and progressive-ratio-only histories. Pigeons with differential-reinforcement-of-low-rate histories, and to a lesser degree pigeons with variable-ratio and fixed-ratio histories, also had shorter postreinforcement pauses than pigeons with only a progressive-ratio history. No consistent long-term effects of prior contingencies on responding under the progressive-ratio schedule were evident. d-Amphetamine and resistance-to-change tests failed to reveal consistent latent history effects. The data suggest that history effects are sometimes transitory and not susceptible to latent influences. 相似文献
214.
This article describes a training design to help counselor trainees perceive the positive and negative messages in a client's internal dialogue. Twenty graduate counselors-in-training produced two 10-minute interviews with simultaneous feedback from an anticounselor and a procounselor in simulated interviews. 相似文献
215.
Fashion dolls: representations of ideals of beauty 总被引:1,自引:0,他引:1
To study the ideal of beauty that fashion dolls portray, a sample of 15 dolls (one of each type available by manufacturer) was collected. In comparison with both the fashion model ideal and the Greek model of beauty the dolls were observed to be short waisted and to have longer legs than either ideal. 相似文献
216.
Genetic mediation of the relationship between social support and psychological well-being. 总被引:3,自引:0,他引:3
This study assessed genetic and environmental influences on the association between social support and psychological functioning using the combined adoption/twin design from the Swedish Adoption/Twin Study of Aging. A subsample of 424 twin pairs, 50 years and older, was used: 64 pairs of identical twins reared apart, 95 pairs of identical twins reared together, 132 pairs of fraternal twins reared apart, and 133 pairs of fraternal twins reared together. Multivariate model-fitting analyses indicated that the relationship between the perceived adequacy of social support and psychological well-being (depression and life satisfaction) was mediated in part by genetic factors. 相似文献
217.
J.P. Gustavsson R.M. Weinryb S. Göransson N.L. Pedersen M. Åsberg 《Personality and individual differences》1997,22(6):783-791
In the present study, personality traits, as assessed by the Karolinska Scales of Personality (KSP) were found to be stable after 9 years, both with regard to mean level stability (absolute stability) and rank-order stability (relative or differential stability). Moreover, outcome scales were applied measuring either perceptions of satisfaction or scales measuring functioning. Personality scales (from the Eysenck Personality Questionnaire and the KSP) completed in 1986/1987 were associated with measures (completed in 1995/1996) of satisfaction and functioning of family life, emotional and physical health, and work. Specifically, neuroticism-related personality traits predicted a lack of satisfaction with health, but not functional problems due to health. In contrast, neuroticism-related personality traits predicted poor functioning but not satisfaction with family life and work. 相似文献
218.
Paul B. Pedersen 《Journal of counseling and development : JCD》1997,76(1):23-28
The American Counseling Association code of ethics was constructed in a particular cultural context and reflects the assumptions of that context. Beginning with a discussion of the purposes served by ethical codes, I review 3 patterns of implicit assumptions: (a) examples of implicit cultural bias, (b) examples of cultural encapsulation, and (c) examples favoring the dominant culture. Positive recommendations for developing more inclusionary ethical guidelines are discussed on the basis of case examples and the consequences of good or bad ethical practice. The need to make underlying philosophical and cultural assumptions explicit in the Preamble to the code of ethics is clarified. 相似文献
219.
Lynn Carol Miller Anila Putcha-Bhagavatula & William C. Pedersen 《Current directions in psychological science》2002,11(3):88-93
Have men and women evolved sex-distinct mating preferences for short-term and long-term mating, as postulated by some evolutionary theorists? Direct tests of assumptions, consideration of confounds with gender, and examination of the same variables for both sexes suggest men and women are remarkably similar. Furthermore, cross-species comparisons indicate that humans do not evidence mating mechanisms indicative of short-term mating (e.g., large female sexual skins, large testicles). Understanding human variability in mating preferences is apt to involve more detailed knowledge of the links between these preferences and biological and chemical mechanisms associated with sexual motivation, sexual arousal, and sexual functioning. 相似文献
220.
Pedersen SJ 《Perceptual and motor skills》2008,106(3):891-892
In 2007 Brasi? questioned the methodology used by Pedersen and Surburg to test the effect of stimulant medication on lower extremity motor processing of children with attention deficit hyperactivity disorder (ADHD). The purpose of this response is to clarify the research design used in that 2005 study. 相似文献