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61.
Carole S. Slotterback Heather Leeman Michael E. Oakes 《Current psychology (New Brunswick, N.J.)》2006,25(1):28-41
Reduction in physical activity is considered a major contributor to weight problems. Increasingly, people are expending less energy in household chores but joining fitness clubs. Do people perceive ordinary daily activities to expend less energy than exercise activities using similar amounts of calories? In the present study college students were asked to evaluate the calorie expenditure of 30 physical activities (i.e., exercises and household tasks). The household tasks were matched (in terms of caloric expenditure) to at least one exercise activity. When participants rated both exercise and daily activities, it appears that they focused on rate of caloric expenditure rather than type of activity (i.e., household task or exercise). In Study 2, college students evaluated the energy expenditure of light/leisure, moderate, and intense exercise. This emphasis concerning the benefit of intense physical activity was observed once again. College students appear to have assimilated the belief that intense physical activity expends more energy than longer sessions of lower intensity physical activity using similar amounts of calories. Perhaps one reason why people are not physically active is that they believe physical activities must be intense to be of benefit. At the same time they are automatizing household chores and, thus, become less active overall. 相似文献
62.
Insects, birds, and mammals have been shown capable of encoding spatial information in memory using multiple strategies or
frames of reference simultaneously. These strategies include orientation to a goal-specific cue or beacon, to the position
of the goal in an array of local landmarks, or to its position in the array of distant landmarks, also known as the global
frame of reference. From previous experiments, it appears that birds and mammals that scatter hoard rely primarily on a global
frame of reference, but this generalization depends on evidence from only a few species. Here we examined spatial memory in
a previously unstudied scatter hoarder, the southern flying squirrel. We dissociated the relative weighting of three potential
spatial strategies (beacon, global, or relative array strategy) with three probe tests: transposition of beacon and the rotation
or the expansion of the array. The squirrels’ choices were consistent with a spatial averaging strategy, where they chose
the location dictated by at least two of the three strategies, rather than using a single preferred frame of reference. This
adaptive and flexible heuristic has not been previously described in animal orientation studies, yet it may be a common solution
to the universal problem of encoding and recalling spatial locations in an ephemeral physical landscape. 相似文献
63.
Genetic studies of stuttering in a founder population 总被引:2,自引:0,他引:2
Wittke-Thompson JK Ambrose N Yairi E Roe C Cook EH Ober C Cox NJ 《Journal of Fluency Disorders》2007,32(1):33-50
Genome-wide linkage and association analyses were conducted to identify genetic determinants of stuttering in a founder population in which 48 individuals affected with stuttering are connected in a single 232-person genealogy. A novel approach was devised to account for all necessary relationships to enable multipoint linkage analysis. Regions with nominal evidence for linkage were found on chromosomes 3 (P=0.013, 208.8 centiMorgans (cM)), 13 (P=0.012, 52.6 cM), and 15 (P=0.02, 100 cM). Regions with nominal evidence for association with stuttering that overlapped with a linkage signal are located on chromosomes 3 (P=0.0047, 195 cM), 9 (P=0.0067, 46.5 cM), and 13 (P=0.0055, 52.6 cM). We also conducted the first meta-analysis for stuttering using results from linkage studies in the Hutterites and The Illinois International Genetics of Stuttering Project and identified regions with nominal evidence for linkage on chromosomes 2 (P=0.013, 180-195 cM) and 5 (P=0.0051, 105-120 cM; P=0.015, 120-135 cM). None of the linkage signals detected in the Hutterite sample alone, or in the meta-analysis, meet genome-wide criteria for significance, although some of the stronger signals overlap linkage mapping signals previously reported for other speech and language disorders. EDUCATIONAL OBJECTIVES: After reading this article, the reader will be able to: (1) summarize information about the background of common disorders and methodology of genetic studies; (2) evaluate the role of genetics in stuttering; (3) discuss the value of using founder populations in genetic studies; (4) articulate the importance of combining several studies in a meta-analysis; (5) discuss the overlap of genetic signals identified in stuttering with other speech and language disorders. 相似文献
64.
Children (2–13 years at time of injury) were interviewed four times about an injury that required hospital Emergency Room treatment, namely at 1 week, 6 months, 1 year, and 2 years. The consistency of children's reports was assessed and all children gave mostly the same information at each interview, although consistency was higher for older children and for injury rather than hospital details. Furthermore, details recalled at every interview were virtually always accurate while details that were sometimes omitted were a little less likely to be accurate. New information that was introduced after 6 months was more likely to be accurate than inaccurate but new information introduced at 1 or 2 years post‐injury was just as likely to be wrong as right (except for 12–13‐year‐olds). Implications for forensic situations are discussed. Copyright © 2001 John Wiley & Sons, Ltd. 相似文献
65.
The authors describe the development of the Religious Occupations and Stress Questionnaire (ROS), which attempts to fill the need for an appropriate measure of the stress experienced by individuals in religious occupations. The ROS has 4 stress‐related subscales (General Stress. Occupational Stress, Identity/Image Stress, and Gender Issues Stress) and a Coping subscale. Results of reliability and validity studies of the ROS with male and female Protestants, Catholics, and Jews who were in religious occupations indicated high internal consistency, test‐retest reliability, and construct validity. 相似文献
66.
The experiment examines status and gender role explanations of the tendency for women to conform more than men in group pressure settings. Subjects believed they were assigned to groups containing two males and two females in addition to themselves and received these other group members' opinions, which were represented as deviating from the opinions that subjects had given earlier. Subjects then gave their opinions with the other group members either having or not having surveillance over these opinions. In addition, subjects were required to form impressions of each other's likability or expertise. The findings indicate that subjects' sex and age affected the extent of their conformity. Among older (19 years and older) subjects, females conformed more with surveillance than without it, whereas surveillance did not affect males' conformity. Among younger (under 19 years) subjects, surveillance had no effects. Analysis of sex differences revealed that older females were significantly more conforming than older males when under surveillance as well as when subjects formed impressions of one another's likability. Among younger subjects, there were no sex differences. These findings are discussed in terms of the theories that (a) both sex and age function as status characteristics and (b) gender roles determine conformity. 相似文献
67.
Margaret S. Gibbs Janet Sigal Bonnie Adams Beth Grossman 《Behavioral sciences & the law》1989,7(2):275-281
Ninety-one introductory psychology students viewed a videotape of a simulated personal damage trial in which a psychologist expert witness testified about a plaintiff's psychological problems resulting from trauma. The defense attorney's cross-examination tactics, employed against the expert witness, were varied in the videotape. A 2 × 2 factorial design was used, with leading versus nonleading questions and a hostile versus nonhostile attorney. An interaction effect was obtained, in which a hostile attorney using leading questions and a nonhostile attorney using nonleading questions were perceived as least effective. 相似文献
68.
This research examined the relationship between narcissism, as measured by the Narcissistic Personality Inventory (NPI; Raskin & Hall, 1979), and body image, as measured by the Body-Self Relations Questionnaire ( Winstead & Cash, 1984), in a nonclinical sample of college students. Also examined were narcissism's relationships to masculinity, femininity, and self-esteem. Results indicated that more narcissistic individuals had more favorable body images and were higher in masculinity and self-esteem. No gender differences were observed in either the levels of narcissism or its body image correlates. Overall, the findings suggest that the NPI measures “adjusted” narcissism rather than the “maladaptive” narcissism emphasized in theoretical and clinical accounts of the construct. 相似文献
69.
70.