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71.
Policing research has largely overlooked how college students’ perceptions of the legitimacy of campus police officers can be enhanced and diminished. Using data from interviews and focus groups with students and staff, along with data from two field observations, this article finds that although students expect the campus police to protect them from harm, they believe that officers should fulfill this function while not interfering with their lives as college students. Further, students delegitimize the power of the campus police by raising questions about their status as “real” officers and highlighting how they overreact to the wrong types of behaviors.  相似文献   
72.
This study examines whether adult psychological distress and health risk behaviors mediate the relationship between childhood abuse and physical health in adulthood. A randomly selected population-based sample, with oversampling to include a one-third subgroup of former child protection cases, completed a structured interview. Questions pertained to childhood exposure to abuse, adult psychological distress, physical health, and health risk behaviors. Previous research using this sample had identified three abuse typologies: emotional abuse, sexual abuse, and polyvictimization (physical abuse, emotional abuse, and neglect). All three typologies were significantly associated with poorer self-reported physical health. Psychological distress and health risk behaviors partially mediated the relationship between nonabuse, sexual abuse, polyvictimization, and physical health, and fully mediated the relationship between emotional abuse and physical health. The results of this study indicate that health risk behaviors and symptoms of psychological distress could contribute to some of the long-lasting consequences of childhood abuse on adult physical health.  相似文献   
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74.
Previous research suggests different types of barriers may demonstrate different relationships with intention to engage in health behaviors. This study explored global, practical, and health-related barriers’ relationships with exercise intention and behavior among cancer survivors. The mediating role of intention in the barriers-behavior relationships was also evaluated. Cancer survivors (N = 152) completed self-report measures of exercise barriers, intention, and behavior at baseline and of exercise behavior two months later. Global barriers were negatively related (p < .01) and practical and health-related barriers were unrelated (ps ≥ .07) to exercise intention. Global and practical barriers were negatively related (ps < .01) and health-related barriers were unrelated (p = .48) to subsequent exercise behavior. Exercise intention did not mediate any barriers-behavior relationships. Results suggest that global and practical barriers should be targeted in barriers reduction interventions and highlight the intention-behavior gap problem. Future research should explore multidimensionality of barriers for other health behaviors.  相似文献   
75.
Little is known about the influence of electronic media use on the academic and social lives of university students. Using time-diary and survey data, we explore the use of various types of electronic media among first-year students. Time-diary results suggest that the majority of students use electronic media to multitask. Robust regression results indicate a negative relationship between the use of various types of electronic media and first-semester grades. In addition, we find a positive association between social-networking-site use, cellular-phone communication, and face-to-face social interaction.  相似文献   
76.
Working memory uses central sound representations as an informational basis. The central sound representation is the temporally and feature-integrated mental representation that corresponds to phenomenal perception. It is used in (higher-order) mental operations and stored in long-term memory. In the bottom-up processing path, the central sound representation can be probed at the level of auditory sensory memory with the mismatch negativity (MMN) of the event-related potential. The present paper reviews a newly developed MMN paradigm to tap into the processing of speech sound representations. Preattentive vowel categorization based on F1-F2 formant information occurs in speech sounds and complex tones even under conditions of high variability of the auditory input. However, an additional experiment demonstrated the limits of the preattentive categorization of language-relevant information. It tested whether the system categorizes complex tones containing the F1 and F2 formant components of the vowel /a/ differently than six sounds with nonlanguage-like F1-F2 combinations. From the absence of an MMN in this experiment, it is concluded that no adequate vowel representation was constructed. This shows limitations of the capability of preattentive vowel categorization.  相似文献   
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78.
Acceptance and Commitment Therapy (ACT) is potentially effective for treating chronic fatigue. Given the paucity of studies on this topic, we aimed to assess long‐term trajectories of primary (fatigue, quality of life and functional abilities) and secondary outcomes (anxious and depressive symptoms) of an ACT‐based rehabilitation program for patients with chronic fatigue. Further, we examined if changes in potential process variables (psychological inflexibility, metacognitive beliefs, and cognitive and behavioral responses to symptoms) during ACT predicted change in all outcomes across follow‐up. One‐hundred ninety‐five workers on sick leave (mean age: 43.61 ± 9.33 years; 80.5% females) with a diagnosis of chronic fatigue were enrolled in a manualized, 3.5‐week intensive return‐to‐work rehabilitation program based on ACT. All completed a battery of questionnaires at pre‐, post‐treatment, 6 and 12 months follow‐up. We found significant longitudinal changes in most primary and secondary outcomes from pre‐ up to 12 months follow‐up. All process variables significantly decreased from pre‐ up to 12 months follow‐up, and pre‐to‐post changes in fear avoidance beliefs were most often associated with a greater change in outcomes across follow‐up. Depressive symptomatology showed a similar trajectory of change to fatigue, meaning that scores were correlated at each time point and tended to converge over time. This suggests that both symptoms influence each other substantially over a year following the treatment. Concluding, results lend support to the effectiveness of an ACT‐based rehabilitation program for patients with chronic fatigue and provide preliminary evidence for the role of process variables and depressive symptomatology on subsequent change in outcomes.  相似文献   
79.
CONTEXT: Fatigue is among the most common and distressing symptoms experienced by cancer patients. OBJECTIVE: This systematic review and meta-analysis evaluates the efficacy of psychological and activity-based interventions against cancer-related fatigue in cancer patients. DATA SOURCES: MEDLINE, PsycINFO, and CINAHL. STUDY SELECTION: Randomized controlled trials of psychological and activity-based interventions involving adult cancer patients in which fatigue was an outcome were reviewed. EXTRACTION: Forty-one trials were reviewed and 30 were included in a meta-analysis. DATA SYNTHESIS: Fifty percent of psychological trials and 44% of activity-based trials rated fair or better in quality yielded significant findings favoring the intervention condition. Meta-analysis yielded an overall effect size of 0.09 (95% CI = .02- .16) favoring nonpharmacological conditions. Further analysis indicated that effect sizes were significant for psychological interventions (d-sub(w) = .10, 95% CI = .02-.18) but not activity-based interventions (d-sub(w) = .05, 95% CI = -.08 - .19). CONCLUSIONS: Findings provide limited support for use of nonpharmacological interventions to manage cancer-related fatigue. The lack of research with heightened fatigue as an eligibility criterion is a notable weakness of the existing evidence base.  相似文献   
80.
Breast self-examinations (BSE) and skin self-examinations (SSE) represent cost-effective and time-efficient approaches to cancer detection. Given their utility, it is important to determine who is likely to perform these behaviors regularly and why. Because BSE and SSE require close examination of one's body, women who are less satisfied and less comfortable with their bodies may perform these behaviors less often. This study sought to determine if a relationship exists between body image and BSE and SSE behaviors and intentions. Ninety-three women completed measures assessing body image, past performance of and future intentions to perform BSE and SSE. Results indicated that body image was related to past performance of SSE. Having greater body-areas satisfaction and more favorable global evaluations of appearance were related to having performed SSE more frequently in the past year. Future research should further examine this relationship utilizing longitudinal designs and more diverse populations.  相似文献   
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