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141.
Marie-Josée Perrier Shane N. Sweet Shaelyn M. Strachan Amy E. Latimer-Cheung 《Psychology of sport and exercise》2012,13(6):713-720
ObjectiveThe study had two objectives 1) to test the fit of the Health Action Process Approach (HAPA) model for sport participation among individuals with acquired physical disabilities and 2) to estimate the extent to which athletic identity predicts intentions to engage in sport within the context of HAPA.DesignProspective cohort of 82 women and 19 men with acquired permanent disabilities (Mage = 44.0; Myears post-injury = 16.2; %in sport = 61.7%).MethodAll HAPA indicators and athletic identity were assessed at baseline and sport participation was assessed using the Leisure Time Physical Activity Questionnaire for People with Spinal Cord Injury two weeks later. Structural equation modelling was used to test the HAPA model.ResultsThe HAPA constructs explained 15% of the variance in sport participation and 18% of the variance when athletic identity was added to the model. Instrumental (β = .21), affective (β = .15), and negative outcome expectancies (β = ?.20) were significant predictors of intentions to participate in sport, as was athletic identity (β = .25). Intentions to participate in sport significantly predicted planning (β = .54) yet there was no direct relationship between planning and sport participation (β = ?.008; p > .05). When the relationship between planning and maintenance self-efficacy was reversed, planning had a significant indirect effect on sport participation through maintenance self-efficacy (β = .33).ConclusionThe HAPA model is a good predictive model for sport participation among those with acquired physical disabilities; furthermore, athletic identity accounts for additional variance in sport participation. These constructs can be valuable components of sport promotion programs for this population. 相似文献
142.
143.
Lois E. Tetrick 《Journal of applied social psychology》1989,19(11):947-958
The motivating potential of leader behaviors was investigated in a comparative test of two models relating leader behaviors, perceived role clarity, psychological influence, perceived self-competence, self-determination, and intrinsic motivation. Based on the data from 422 naval personnel and their immediate supervisors, it would appear that leaders' informational and controlling behaviors influence subordinates' perceptions of role clarity and psychological influence. Self-determination and self-competence also influence these perceptions. Psychological influence increases intrinsic motivation but role clarity influences intrinsic motivation only indirectly through its influence on psychological influence. 相似文献
144.
Stress and blood glucose in type II diabetes mellitus 总被引:3,自引:0,他引:3
Virginia L. Goetsch Deborah J. Wiebe Lois G. Veltum Brent van Dorsten 《Behaviour research and therapy》1990,28(6):531-537
Six adults with non-insulin dependent diabetes mellitus participated in a laboratory procedure to determine the effects of an acute Stressor, mental arithmetic, on blood glucose, cardiovascular, and subjective indices of stress. They then completed 12 days home monitoring of stressful events, subjective stress, and blood glucose. Diet and activity were controlled to evaluate the direct effects of stress on blood glucose in the natural environment. Laboratory results showed significant increases in blood glucose, cardiovascular (HR and SBP), and subjective stress ratings during the mental arithmetic task when compared to a resting condition. Home monitoring data were consistent with the laboratory findings; blood glucose range tended to be greater on high vs low stress days, especially when the difference between high and low stress was greatest. These findings suggest that the laboratory stress induction procedure was externally valid and that in the natural environment, stress has a hyperglycemic effect on blood glucose. 相似文献
145.
A recent study of San Diego patients found that men received more extensive and appropriate diagnostic workups than women did for five common complaints (Armitage, K. J., Schneiderman, L. J., & Bass, R. A. Journal of the American Medical Association 1979, 241 2186–2187). This article is a broader analysis of medical care given to men and women for those complaints (fatigue, headache, vertigo/dizziness, chest pain, back pain), and it uses a national survey of ambulatory-care visits. We find that medical care is usually similar for men and women. When significant sex differences do appear, they often show that women receive more medical care during a visit. To some extent, differential care stems from different medical needs that men and women with a complaint have; when some medically relevant factors are controlled, half of the significant sex differences disappear. But half persist, and this suggests that psychosocial factors also underlie differential care for men and women. These may originate with patients (for example, their requests for particular services) or with physicians (for example stereotypes of men and women patients). In contrast to the San Diego study, the national data show that (1) women sometimes receive more diagnostic workups for the five complaints, and (2) when medical factors are controlled, sex differences in the extent and content of workups disappear. The only exception is that men with vertigo/dizziness receive more appropriate workups. 相似文献
146.
Two experiments were performed in which blind Ss, sighted Ss working in the dark, and sighted Ss working in the light were compared as to their efficiency on an auditory watchkeeping task. Absolute and differential auditory thresholds were measured in both experiments, and in the second experiment the groups also underwent a signal detection session under alerted conditions. There was some inconsistency as to relative performance of the sighted groups, but in both experiments the blind Ss were superior on the auditory watchkeeping task as to signals detected and effective sensitivity (d’). 1 This difference was not attributable to a difference in auditory sensitivity or to a criterion adopted for 相似文献
147.
Bacon F. Chow Maria Simonson Harley M. Hanson Lois M. Roeder 《Integrative psychological & behavioral science》1971,6(1):36-40
Studies on the effects of dietary deficiencies have shown marked behavioral impairments in rats deprived of adequate quantities of specific vitamins. In at least one study, such impairment was evident even when body weight did not differ from vitamin-supplemented but pair-fed controls. Recently, experiments have demonstrated that restriction of maternal dietary intake during gestation and lactation results in a variety of physiological and behavioral abnormalities in the progeny. These offspring are stunted, retarded in neuromotor development, impaired in ability to learn a maze, slow in extinction of the conditional reflex and show a low level of exploratory activity, a high degree of emotional behavior and marked anti-social interaction. Furthermore, patterns of change with increasing age in some of these measurements also distinguish these experimental animals from controls born of adequately-fed dams. 相似文献
148.
Joel R Levin Elizabeth S Ghatala Thomas M DeRose Lois A Makoid 《Journal of experimental child psychology》1977,23(1):78-83
Previous research has shown that requiring children to trace from memory the correct member of a pictorial discrimination pair markedly facilitates performance. The experiment reported here offers support for a presumed component of this learning strategy, namely, “memory imagery.” In particular, subjects who traced directly on top of the correct picture did not perform as well as those who traced it from memory. Various theoretical explanations of the image-tracing phenomenon are considered, including depth of processing, dual coding, and frequency. 相似文献
149.
Shoemaker and Tasto (1975) found that progressive muscle relaxation lowers the blood pressure levels of essential hypertensives to within a normal range under laboratory conditions. As a sequel to this study the effects of muscle relaxation and stress on the blood pressure levels of normotensives were studied. One group was taught relaxation, one group was stressed, one group read, and one group did nothing. Blood pressure measurements taken immediately after the completion of these tasks indicated that muscle relaxation does not lower the blood pressure levels of normotensives but that stress significantly raises both the systolic and diastolic levels.Level of arousal can, at least in one sense, be viewed as occurring on a dimension defined by extreme anxiety at one end and extreme relaxation at the other. Research on the physiological correlates and/or defining properties of arousal has produced inconsistent and equivocal results. Little work has been done relating blood pressure levels to arousal, however. Shoemaker and Tasto (1975) found a consistent and predictable drop in the blood pressure levels of essential hypertensives as a result of progressive muscle relaxation. In their study those subjects with the highest blood pressure levels showed the greatest drop while those with moderately high levels showed moderate drops and those with the lowest levels (yet still above normal) showed the least amount of change. The amount by which blood pressure dropped as a result of progressive relaxation was positively correlated with the pretreatment level of blood pressure. The result of progressive relaxation was to lower blood pressure levels to within a normal range, with all subjects appearing to approach a lower asymptotic level. Because of the consistent picture which began to emerge, the question arose as to whether blood pressure might be a reliable physiological correlate of the relaxation-anxiety dimension.The more specific questions emanating from this issue were: what effect does progressive relaxation have on the blood pressure levels of normotensives; what effect does stress have on the blood pressure levels of normotensives; and, what effect does stress have on the blood pressure levels of essential hypertensives? Since we could not immediately foresee the benefits that would outweigh the potential harm that might arise by placing hypertensives under stress, this study was limited to addressing the first two questions.Since the blood pressure levels of normotensives are probably at an optimal level for the physiological functioning of the organism, lower levels would be physiologically nonadaptive. and thus progressive relaxation should not lower the blood pressure levels of normotensives as it does those of essential hypertensives. On the other hand, if the elevated blood pressure levels of essential hypertensives are at least in part the result of a stress reaction, it would be expected that the blood pressure levels of normotensives might rise under stress conditions. 相似文献
150.
Dianne Lee-Riordan Jerry J. Sweet 《Journal of clinical psychology in medical settings》1994,1(4):387-398
The Millon Behavioral Health Inventory (MBHI) is being used with increasing frequency for the assessment of chronic pain, although there is a relative lack of evidence as to its utility, and prior studies have not examined low back pain. This investigation compared the MBHI to the MMPI in a sample of low-back pain patients and analyzed subgroups of pain patients based upon their MBHI responses. Subjects were 60 patients who had been admitted to outpatient multidisciplinary pain clinics of two Chicago-area hospitals. Patients completed both the MMPI and the MBHI and provided demographic information. Results of correlational analyses indicated strong relationships between the MBHI psychogenic attitude, psychosomatic correlate, and prognostic index scales and the validity scales of the MMPI. The MBHI Pain Treatment Responsivity scale (PP) correlated with 16 of the other 19 MBHI scales. PP did not demonstrate specificity with low back pain patients. The results of both the scale comparisons and the exploratory two-group cluster subgroup analysis support the notion that responses to the MBHI are largely affected by the respondent's tendency to deny psychopathology or to admit emotional distress. 相似文献