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181.
通过两个研究,损益值大小效应在1元~1亿元的广阔范围内,以及在只采用选择反应模式的条件下得到了进一步探讨,其机制也在齐当别模型的全新视角下得到了讨论;此外,齐当别模型本身以及模型的经典判断任务也得到了探讨。结果发现:基于选择反应模式时,损益值大小效应在获得情景中稳定存在,并只存在一个风险倾向的拐点,而它在损失情景中则不存在;损益值大小效应的机制能够被齐当别模型很好的解释;齐当别模型的经典判断任务对模型预测效能的检验力不足,但其与新设计的维度内判断任务联合后却有很大改善;齐当别模型对损失情景中的均含0结果值的决策任务的解释力还有待进一步探讨 相似文献
182.
Debra L. Franko 《Group》1997,21(1):39-45
Although group therapy is often recommended for the treatment of bulimia nervosa, relatively little is known about predictors
of short-term outcome. This pilot study examined whether a standardized measure of readiness for change might be related to
changes in binge frequency. Sixteen bulimic patients participated in short-term cognitive behavioral group therapy for twelve
weeks. Each patient completed the Change Assessment Scale prior to treatment, along with a battery of symptom measures which
were readministered at the conclusion of therapy. Bulimic patients with positive outcome in binge frequency were at a higher
stage of readiness for change at pretreatment than were patients with negative outcome. Results indicated that there may be
methods of determining who would be most likely to benefit from cognitive behavioral group therapy, and tentatively suggest
that interventions may be more successful when readiness for change is taken into consideration. 相似文献
183.
The effect of constant outcome value on judgments and decision making given linguistic probabilities
Two experiments were performed to determine whether judgments of the relative chances of two independent events occurring are biased by constant outcome values contingent on the events when the uncertainties are specified by linguistic expressions (e.g. doubtful). In Experiment 1, subjects directly judged the relative chances of the two events, of which one was represented by a spinner and the other by a linguistic probability expression. In Experiment 2, only linguistic probability expressions were used to describe the two events and a betting procedure was used. A bias was evident in both studies, such that the relative judgments tended to favour the event with the positive rather than the negative contingent outcome. The bias was smaller for the low- than for the high-probability phrases. Individual differences were great, with the bias appearing strongly in only about one-third of the population. Theoretical implications of the present and related results are discussed. 相似文献
184.
Debra Srebnik 《Journal of child and family studies》1999,8(4):397-408
I describe service provider perspectives regarding outcome goals of children's day treatment and their ideas for how to make day treatment programs successful in achieving stated outcomes. Respondents were direct service staff from ten day treatment programs in one county in Washington state. Data were obtained through nominal group process methods. The primary outcome goals of day treatment reported were: community re-integration, improved adaptive functioning skills, psychological growth, and improved family functioning. Aspects of day treatment that may help achieve outcome targets included: team quality; comprehensive programming; a consistent, safe, accepting program environment; an individualized, developmental approach; linkages with other services; family involvement, and a low staff-to-client ratio. Outcome goals are discussed relative to those described within the research literature on children's mental health services. Implications for the use of outcome goals for quality improvement are described. 相似文献
185.
College students' responding to and rating of contingency relations: The role of temporal contiguity 总被引:2,自引:1,他引:1
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Two experiments investigated the role of temporal contiguity in college students' responding to and rating of contingency relations during operant conditioning. Schedules were devised that determined when but not whether appetitive or aversive events would occur. Subjects' reports concerning the schedules were obtained by means of a 200-point rating scale, anchored by the phrases “prevents the light from occurring” (−100) and “causes the light to occur” (+100). When tapping a telegraph key advanced the time of point gain, responding was maintained or increased and subjects gave positive ratings. When tapping a telegraph key advanced the time of point loss, subjects also gave positive ratings, but responding now decreased. When key tapping delayed the time of point gain, responding decreased and subjects gave negative ratings. When key tapping delayed the time of point loss, subjects also gave negative ratings, but responding now increased. These findings implicate response-outcome contiguity as an important contributor to causal perception and to reinforcement and punishment effects. Other accounts—such as those stressing the local probabilistic relation between response and outcome or the molar correlation between response rate and outcome rate—were seen to be less preferred interpretations of these and other results. 相似文献
186.
Ghaderi A 《Behaviour research and therapy》2006,44(2):273-288
Does higher level of individualization increase treatment efficacy? Fifty patients with bulimia nervosa were randomized into either manual-based (focused) or more individualized (broader) cognitive behavioral therapy guided by logical functional analysis. Eating disorders Examination and a series of self-report questionnaires were used for assessment at pre-, and post-treatment as well as at follow-up. Both conditions improved significantly at post-treatment, and the results were maintained at the 6 months follow-up. There were no statistically and clinically significant differences between the two conditions at post-treatment with the exception of abstinence from objective bulimic episodes, eating concerns, and body shape dissatisfaction, all favoring the individualized, broader condition. Both groups improved concerning self-esteem, perceived social support from friends, and depression. The improvements were maintained at follow-up. Ten patients (20%) did not respond to the treatment. Notably, a majority of non-responders (80%) were in the manual-based condition. Non-responders showed extreme dominance of rule-governed behavior, and lack of contact with actual contingencies compared to responders. The study provided preliminary support for the superiority of higher level of individualization (i.e. broader CBT) in terms of the response to treatment, and relapses. However, the magnitude of effects was moderate, and independent replications, with blind assessment procedures, and a larger sample sized are needed before more clear cut conclusions can be drawn. 相似文献
187.
Prediction of treatment outcome among patients with irritable bowel syndrome treated with group cognitive therapy 总被引:1,自引:0,他引:1
Blanchard EB Lackner JM Gusmano R Gudleski GD Sanders K Keefer L Krasner S 《Behaviour research and therapy》2006,44(3):317-337
Using a sample of over 125 patients with irritable bowel syndrome (IBS) who were treated with cognitive therapy administered in small groups, we sought to predict end of treatment and 3-month follow-up improvement in two changes indices of gastrointestinal (GI) symptoms (Pain/Discomfort Index which assessed change in abdominal pain, abdominal tenderness and bloating and Bowel Regularity Index which assessed change in diarrhea and constipation). We also sought to predict scores on IBS specific quality of life (QOL) and overall level of psychological distress using the Global Severity Index (GSI) of the Brief Symptom Inventory (BSI). Significant, but modest, levels of prediction were found for prediction of improvement in GI symptoms (4-15% of variance). Stronger significant prediction was obtained for the QOL and global psychological distress measure with R(2)'s ranging from 0.36 to 0.50. A wide variety of demographic, GI symptom, psychological status and psychiatric status variables entered the final prediction equations. 相似文献
188.
Discontinuation of benzodiazepine (BZD) treatment for insomnia can be a difficult task. Cognitive-behavior therapy (CBT) for insomnia, combined with a supervised medication taper, can facilitate withdrawal but there is limited evidence on long-term outcome after discontinuation. The objective of this study was to examine medication-free survival time and predictors of relapse (i.e., resumed BZD hypnotics) over a 2-year period in 47 older adults (mean age 62.1 years) with persistent insomnia and prolonged BZD use (average duration of 18.9 years), who had successfully discontinued BZD following CBT for insomnia, a supervised medication taper program, or a combined approach. The Kaplan-Meier product-limit method was used to estimate survival time, defined as time between end-of-treatment and relapse or end of follow-up. By the end of the 24-month follow-up, 42.6% of the samples had resumed BZD use. Participants in the Combined (33.3%) and Taper (30.8%) groups relapsed significantly less than their counterparts from the CBT group (69.2%). Survival rates at 3 months were 61.5% (CBT), 100% (Taper), and 80.9% (Combined). At 12 months, they were 38.5%, 83.3%, and 70.8%, respectively; and, at 24 months, they were 28.9%, 64.8% and 64.9%, respectively. Mean survival time was significantly longer for both the Taper (18.6 months, SE = 2.1) and Combined groups (12.6 months, SE = 1.4), relative to the CBT group (8.5 months, SE = 1.8). Significant predictors of relapse included treatment condition, end of treatment insomnia severity, and psychological distress. In conclusion, there is a substantial relapse rate following BZD discontinuation among prolonged users. CBT booster sessions might enhance compliance with CBT and prove useful in preventing relapse. 相似文献
189.
The paper describes the development of a cognitive therapy (CT) program for post-traumatic stress disorder (PTSD) that is based on a recent cognitive model (Behav. Res. Therapy 38 (2000) 319). In a consecutive case series, 20 PTSD patients treated with CT showed highly significant improvement in symptoms of PTSD, depression and anxiety. A subsequent randomized controlled trial compared CT (N = 14) and a 3-month waitlist condition (WL, N = 14). CT led to large reductions in PTSD symptoms, disability, depression and anxiety, whereas the waitlist group did not improve. In both studies, treatment gains were well maintained at 6-month follow-up. CT was highly acceptable, with an overall dropout rate of only 3%. The intent-to-treat effect sizes for the degree of change in PTSD symptoms from pre to post-treatment were 2.70-2.82 (self-report), and 2.07 (assessor-rated). The controlled effect sizes for CT versus WL post-treatment scores were 2.25 (self-report) and 2.18 (assessor-rated). As predicted by the cognitive model, good treatment outcome was related to greater changes in dysfunctional post-traumatic cognitions. Patient characteristics such as comorbidity, type of trauma, history of previous trauma, or time since the traumatic event did not predict treatment response, however, low educational attainment and low socioeconomic status were related to better outcome. 相似文献
190.
《Psychologie du Travail et des Organisations》2023,29(3):151-165
Considered as an additional job demand, the use of technologies for work-related reasons could increase psychological demands at work, favoring the appearance of workaholism. Our study examines the impact of the frequency of this use on psychological demands at work and workaholism in a sample of 223 people at work from various professional backgrounds, by verifying whether there are differences between men and women. The results showed that the use of technologies (desktop computer, laptop, tablet, smartphone/mobile phone) for work-related reasons increases psychological demands felt at work, consequently favoring the appearance of the two components of workaholism (working excessively and working compulsively) in men and women. In addition, the results show us gender differences: the strength of the relationship between the use of technologies for work-related reasons and working excessively, partially mediated by psychological demands at work, was slightly higher among men than in women; strength of the relationship between the use of technologies for work-related reasons and working compulsively, partially mediated by psychological demands at work, was found just among men, whereas a full mediation was found among women. This research highlights the importance of investigating the mechanisms that may explain how the use of technologies for work-related reasons could enhance the risk of work addiction, by considering gender differences. 相似文献