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51.
For the tests in which the score on an item is not restricted to 0 and 1, but is any number on a continuous scale, a procedure for estimating an examinee's true score is given. For the case of 0, 1 item scoring this problem was considered by Lord [1959]. Following Lord, the least squares estimation procedure is used and the regression coefficient is obtained, which is compared with the generalized KR(20) and KR(21) formulas. Also, results are discussed using analysis of variance models.Now at Brooklyn College of the City University of New York. 相似文献
52.
Procedures designed to affect respiration rate and amplitude were assessed for 4 groups of 8 subjects each. The groups were exposed to combinations of procedures providing feedback for decreasing respiration amplitude, pacing respiration rate, and instructions on rate and amplitude of breathing. After an initial baseline, effects were examined during both treatment and self-management phases for respiratory activity and concurrent heart-rate and electromyogram activity. Reliable effects of pacing on respiration rate, and a slight, but non-significant effect on amplitude were observed. No effects were observed for any heart-rate or electromyogram measures. 相似文献
53.
Yamashita JA Hardy JL De Valois KK Webster MA 《Journal of experimental psychology. Human perception and performance》2005,31(3):420-437
Viewing a distorted face induces large aftereffects in the appearance of an undistorted face. The authors examined the processes underlying this adaptation by comparing how selective the aftereffects are for different dimensions of the images including size, spatial frequency content, contrast, and color. Face aftereffects had weaker selectivity for changes in the size, contrast, or color of the images and stronger selectivity for changes in contrast polarity or spatial frequency. This pattern could arise if the adaptation is contingent on the perceived similarity of the stimuli as faces. Consistent with this, changing contrast polarity or spatial frequency had larger effects on the perceived identity of a face, and aftereffects were also selective for different individual faces. These results suggest that part of the sensitivity changes underlying the adaptation may arise at visual levels closely associated with the representation of faces. 相似文献
54.
Reminiscence, a naturally occurring process of recalling personally experienced events from our past, has been investigated primarily from a clinical, gerontological perspective. A total of 268 participants (100 male, 168 female) ranging in age from 17 to 88 years (M age = 40.02, SD = 20.32) completed the Reminiscence Functions Scale (RFS), the Memorial University of Newfoundland Scale of Happiness (MUNSH), and a single-item question assessing the perceived importance of shared family memories. Results indicated neither age nor gender differences on the total RFS score, indicating that men and women of all ages reminisce equally frequently. However, there were gender and age differences on specific dimensions of reminiscence. Specifically, women scored higher on the RFS factor of Identity (Idn) and lower on Bitterness Revival (BiR). Younger adults tended to score higher on the RFS factors of Boredom Reduction (BoR), BiR, Problem-Solving (PS), and Idn compared to older adults. In contrast, older adults tended to score higher on the RFS factors of Teach/Inform (T/I) and Death Preparation (DP). BoR, BiR, and PS correlated negatively with happiness, whereas Conversation (C) and T/I correlated positively with happiness. Finally, T/I, Intimacy Maintenance (IM), Idn, and C all correlated positively with the measure of the perceived importance of shared family memories. The results replicate earlier work with the RFS and suggest that examining reminiscence from a contextual, lifespan perspective is an important research area. 相似文献
55.
We examined figural aftereffects in images of human faces, for which changes in configuration are highly discriminable. Observers
either matched or rated faces before or after viewing distorted images of faces. Prior adaptation strongly biases face perception
by causing the original face to appear distorted in a direction opposite to the adapting distortion. Aftereffects transferred
across different faces and were similar for upright or inverted faces, but were weaker when the adapting and test faces had
different orientations (e.g., adapt inverted and test upright). Thus the aftereffects depend on which images are distorted,
and not simply on the type of distortion introduced. We further show that the aftereffects are asymmetric, for adapting to
the original face has little effect on the perception of a distorted face. This asymmetry suggests that adaptation may play
an important normalizing role in face perception. Our results suggest that in normal viewing, figural aftereffects may strongly
influence form perception and could provide a novel method for probing properties of human face perception. 相似文献
56.
Longitudinal data collection designs are frequently used in the study of developmental variables but typically yield patterns of results that are different from those obtained using cross-sectional designs. Recent research has focused on ways to clarify and reconcile the methodological distinctions between these two designs by utilizing alternative designs that incorporate features of both. This investigation compared the results obtained by the two traditional designs on the Career Maturity Inventory-Attitude Scale with the effects of an alternative design: constructing a composite longitudinal gradient. The two traditional methodologies yielded different results from each other for males, but not for females. However, the alternative design failed to eliminate the obtained differences for males, and introduced differences for females, casting doubt on the efficacy of the “solution.” The implications of these results for developmental research and career maturity were discussed. 相似文献
57.
Expeditions provide a valuable opportunity for studying processes of coping with a stressful situation. An expedition to India organized by the British Schools Exploring Society has already been reported as being accompanied by positive changes on self-report personality scales. This paper is concerned with detailed cognitive coping measures completed throughout the 6 weeks of the expedition. It needs to be noted that the results relate to young adults and to those who provided detailed coping information; the generalizability of the result is a matter for future research. The expedition presented a mixture of physical and social stresses. Men enjoyed the physical experience more than women, but women enjoyed the social experience more than men. There was generally greater reliance on personal resources than on social support in coping with stress. This was particularly true for men in coping with physical stress and women in coping with social stress. In general, the physical stresses had been better anticipated than the social ones. Positive reformulations were much more widely used as coping strategies than avoidance/resignation strategies, especially so for physical stresses. However, use of avoidance/resignation strategies was the better predictor of outcome, with those who used them being least likely to show positive personality change as a result of the expedition. The results are related to current research on stress and coping. 相似文献
58.
Gregory D. Webster Jennifer L. Howell Joy E. Losee Elizabeth A. Mahar Val Wongsomboon 《Social and Personality Psychology Compass》2023,17(8):e12787
Does geographic variation in personality across the United States relate to COVID-19 vaccination rates? To answer this question, we combined multiple state-level datasets: (a) Big Five personality averages (i.e., extraversion, agreeableness, conscientiousness, neuroticism, and openness; Rentfrow et al., 2008), (b) COVID-19 full-vaccination rates (CDC, 2021a), (c) health-relevant demographic covariates (population density, per capita gross domestic product, and racial/ethnic data; Webster et al., 2021), and (d) political and religiosity data. Analyses showed openness as the strongest correlate of full-vaccination rates (r = 0.51). Controlling for other traits, demographic covariates, and spatial dependence, openness remained significantly related to full-vaccination rates (rp = 0.55). Adding political and religiosity data to this model diminished openness effects for full-vaccination rates to non-significance (rp = 0.26); however, extraversion emerged as a significant correlate of full-vaccination rates (rp = 0.37). Although politics are paramount, we suspect that states with higher average openness scores are more conducive to novel thinking and behavior—dispositions that may be crucial in motivating people to take newly-developed vaccines based on new technologies to confront a novel coronavirus. 相似文献
59.
Jennifer L. Howell Brian D. Collisson Gregory D. Webster 《Social and Personality Psychology Compass》2023,17(10):e12831
Dark Triad personality traits (narcissism, psychopathy, and Machivellianism) predict increased selfish thinking and behavior. In the context of the COVID-19 pandemic, they have been related to behaviors such as greater hoarding and decreased COVID-preventative behaviors. Here we examined whether the Dark Triad might predict selfish beliefs and behavior surrounding COVID-19 vaccinations during the 2021 U.S. vaccine rollout—a time when availability was scarce and people were prioritized based on factors like preexisting medical conditions or line of work. In a sample of 499 people, we found that the constellation of Dark Triad traits predicted skipping one's priority in line to get the COVID-19 vaccine earlier among the vaccinated. Among the unvaccinated it predicted greater envy, entitlement, perceptions of unfairness, and willingness to skip the line. Taken together, these findings suggest that those high in the Dark Triad do not simply care less about their health and safety, instead there may be circumstances in which dark traits predict preventative, albeit selfish, behavior. 相似文献
60.
The present study investigated the relationship between the objectification of one's romantic partner (partner–objectification) and relationship quality using 221 heterosexual couples. Controlling for relevant covariates, actor–partner interdependence models revealed no partner effects but multiple actor effects. First, men who objectified their partners more had lower levels of relationship commitment and relationship satisfaction, and perceived higher quality alternatives to the relationship. Second, women who objectified their partners more had lower levels of relationship satisfaction themselves. Third, relationship duration marginally moderated the association between partner–objectification and relationship commitment, with partner–objectification negatively linked to one's own relationship commitment in relationships of shorter durations, but not when relationship durations were longer. Implications for an investment model and romantic relationship objectification are discussed. 相似文献