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Sixteen domestic dogs (Canis familiaris) were tested in a familiar context in a series of 1-min trials on how well they obeyed after being told by their owner to lie down. Food was used in 1/3 of all trials, and during the trial the owner engaged in 1 of 5 activities. The dogs behaved differently depending on the owner's attention to them. When being watched by the owner, the dogs stayed lying down most often and/or for the longest time compared with when the owner read a book, watched TV, turned his or her back on them, or left the room. These results indicate that the dogs sensed the attentional state of their owners by judging observable behavioral cues such as eye contact and eye, head, and body orientation. 相似文献
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Ludwig Kreuzpointner Patricia Simon Fabian J. Theis 《The British journal of mathematical and statistical psychology》2010,63(2):341-360
The ad coefficient was developed to measure the within‐group agreement of ratings. The underlying theory as well as the construction of the coefficient are explained. The ad coefficient ranges from 0 to 1, regardless of the number of scale points, raters, or items. With some limitations the measure of the within‐group agreement of different groups and groups from different studies is directly comparable. For statistical significance testing, the binomial distribution is introduced as a model of the ratings' random distribution given the true score of a group construct. This method enables a decision about essential agreement and not only about a significant difference from 0 or a chosen critical value. The ad coefficient identifies a single true score within a group. It is not provided for multiple true score settings. The comparison of the ad coefficient with other agreement indices shows that the new coefficient is in line with their outcomes, but does not result in infinite or inappropriate values. 相似文献
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Ludwig Schindler Kurt Hahlweg Dirk Revenstorf 《The American journal of family therapy》2013,41(3):54-64
Abstract Communication training is a widely practiced therapeutic approach for the treatment of marital discord. Although there is some empirical support for the theoretical assumptions underlying constructive communication patterns, it has not yet been ascertained whether changing these behaviors is sufficient in bringing about stable changes in distressed marriages. The present study was designed to investigate the efficacy of this treatment approach in a conjoint and conjoint group modality. Following therapy, conjoint couples (n = 16) when compared with a waiting list control group (n = 17) showed improvement on five of the seven outcome variables. Couples in the conjoint group modality (n = 13) improved on only two of the seven variables. Follow-up assessments one year after treatment showed that initial gains had been substantially reduced. On the basis of these results it is now open to question whether conjoint group treatments are an appropriate treatment modality for even moderately distressed couples. 相似文献
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Abstract The present study investigated the effects of cognitive restructuring efforts aimed at modifying unrealistic beliefs marital partners might hold. Seventeen couples participated in the study, nine in the treatment group and eight in a waiting-list control group. The treatment program sought to impact proactively upon variables commonly agreed to as contributing to the creation of an optimistic, positive collaborative set as a prelude to behavioral change strategies: positive therapeutic expectations and relationship goals, and an enhanced base level of marital satisfaction. On all outcome measures, the treatment group showed significant gain scores as compared to the control group. Discussion of the results highlights the importance of marital therapists being particularly attuned to specific beliefs partners may hold pertaining to relationship issues. 相似文献
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Vadim Yerokhin Michael J. Hogan Mina Dunnam Daniel Huber Sandra Osborne 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2013,20(3):380-401
ABSTRACT Research demonstrates a positive effect of aerobic exercise on cognitive functioning in older adults. Unfortunately, aerobic exercise is often contraindicated for older adults due to cardiovascular and functional limitations. Low-intensity strengthening exercise may offer a practical alternative, but the neuropsychological benefits and potential neurophysiological mechanisms are less well understood. The current study evaluated the effects of a 10-week strengthening exercise intervention on cognitive functioning and EEG in a sample of 13 older adults with early dementia, and 9 normative controls. Results revealed beneficial effects of strengthening exercise on verbal memory coupled with frontal beta and delta power asymmetries and N200 amplitude asymmetry. Results point to increased cognitive efficiency following 10 weeks of strengthening exercise. The findings suggest it is feasible to conduct a strengthening intervention with early dementia patients, and to gather neuropsychological and neurophysiological data to evaluate outcomes. Strengthening exercise may serve as a useful alternative to aerobic exercise. 相似文献
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In this experiment, we manipulated leadership appointment in 3 ways for both a woman and a man. In accord with status characteristics theory, we found that interventions designed to increase the status of the appointee allow the new leader to be more influential and thus more effective. In addition, we found that when a woman is appointed leader with no reason offered for her appointment, followers are willing to be led by her, but, following the theory of motivated reasoning, they will search the context for a plausible reason for their decisions. Suggestions are offered for organizations that want to facilitate the effectiveness of new women leaders; additional recommendations are made for assisting new women leaders. 相似文献