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21.
The authors assessed the latent structure of depressive symptoms as measured by the Center for Epidemiological Studies Depression Scale (CES-D; L. S. Radloff, 1977). By using taxometric procedures, the authors conducted analyses of CES-D data obtained from a large college student population. These procedures incorporated strategies for interpreting analyses of skewed indicators and small putative taxa. The authors hypothesized that CES-D total scores would be represented as a dimension, with a taxonic distribution of a factor incorporating somatic symptoms. Results indicated that all CES-D factors, including the factor composed of somatic complaints, were dimensional. Administration of the Diagnostic Interview Schedule-IV (L. N. Robins, L. Marcus, & W. Reich, 1996) to one quarter of the participants indicated that the CES-D was effective in identifying cases of current or recent clinical depression. Evidence of the dimensionality of CES-D indicators in a student population is consistent with a continuity view of depressive symptoms. 相似文献
22.
In this randomized controlled trial, group behavior therapy (BT; n = 12) was compared to group supportive therapy (ST; n = 12) in the treatment of trichotillomania (TTM). Both treatments were also compared to a naturally occurring waiting period, the time period that participants waited for groups to form. Participants completing group BT experienced significantly greater decreases in self-reported hair-pulling symptoms and clinician-rated hair loss severity than did those in group ST. Decreases were significantly greater after treatment than after the naturalistic waiting period. In addition, a significantly higher percentage of those in the BT than ST condition were rated as much improved or very much improved on the Clinical Global Impression scale at posttreatment. However, despite substantial symptom improvement, TTM severity remained problematic at posttreatment. Specifically, few participants in either treatment met criteria for clinically significant change at posttreatment. In addition, relapse of symptoms occurred over the 6-month follow-up period. Results provided partial support for the short-term efficacy of group BT. However, the group format may not maximize the efficacy of BT for TTM. Thus, it is recommended that future BT research test either individual therapy or a combination of group and individual formats for TTM. 相似文献
23.
Goldstein G Haas GL Pakrashi M Novero AM Luther JF 《Suicide & life-threatening behavior》2006,36(1):35-43
In this study we investigated the putative role of cognitive dysfunction, diagnosis (schizoaffective versus schizophrenia disorder), and alcoholism as risk factors for suicidal behavior among individuals with DSM-TV schizophrenia or schizoaffective disorders. Subjects received cognitive tests and medical records were reviewed for evidence of a history of suicide attempts or suicidal ideation. Discriminant analysis was used to identify cognitive test performance measures that distinguished those with versus those without suicidal behavior. None of the cognitive measures discriminated between the two groups. The rates of suicidal behavior (suicidal ideation and suicide attempts) did not differ between participants with versus those without comorbid alcohol use. An association was found between suicidal behavior and the diagnosis of schizoaffective disorder. It was concluded that the history of prominent mood syndromes characteristic of schizoaffective disorder contributes to increased risk of suicidal behaviors. Cognitive dysfunction and/or alcoholism did not contribute additionally to risk in this study. 相似文献
24.
James B. Wilbur 《World Futures: Journal of General Evolution》2013,69(3-4):247-264
Several contradictory definitions were provided for evolution. It was viewed as progress or as local adaptation, as widening or as exploiting of transformation perspectives, as emergence of non‐historical patterns or as history of Life. The conflicting views of evolution can be reconciled by taking the rival terms as different moments, or phases, of a single process. The first phase is form creation, the second is form selection. Progress and adaptation, widening and reduction of perspectives, emergence and history orderly mark the two successive phases. Dynamic Structuralism and Darwinism differ in the preferential emphasis they put, respectively, in the first or in the second phase. According to structuralists, mere history does not depict a process: nothing can happen outside a frame, without a grid of meanings. A chance event, a non‐intelligible event is not a fact. A set of generative principles, of rules of form, is required both to produce evolution and to make it understandable. By entrusting innovation to chance the Darwinian historical view is essentially pessimistic. Any small step forward can only be achieved at a price of innumerable sacrifices, and only the very few survive. In the dynamic structuralist view, forms (e.g. the mild “splash” by D'Arcy Thompson) emerge spontaneously and immediately, with no need of countless failures. They express concealed potentialities, explore the varied inventory of Nature, and do not result from the meaningless trouble of history. 相似文献
25.
As a framework for social analysis, utopia is usually the province of classicists and political theorists. Yet practitioners of Jewish social studies — particularly specialists on the subject of the kibbutz — have much to offer non‐regional specialists of intentional communities and micropolities. Indeed, by applying standard social scientific techniques of survey and analysis, the kibbutz framework re‐emerges as a viable construct within contemporary comparative politics and sociology. Here, two similarly planned communities in the Negev desert, with founding memberships including a core (approximately one‐third) of “progressive” (i.e.Reform) Jewish emigrants from the USA, are analysed and compared statistically along several indices of satisfaction. Significant differences arise in the areas of personal relations, economic security, contentment with children’s education, and standard of living. Contrasting degrees of ideological and theological flexibility — attributable, in these two communities, to middle ageing and child rearing — may also account for different success outcomes. Measurement of satisfaction levels in Israel can help other neo‐utopian movements refine their proposed programmes and quantify their claims to superior socio‐political planning. 相似文献
26.
ABSTRACT The evaluation of visitor flow within a museum or exhibition has been a topic of interest for decades with several research approaches taken over the years. Direct observation or visitor tracking during museum occupancy is the most popular technique, but it generally requires substantial amounts of time and financial resources. An alternative approach to direct observation—visitor self-mapping—is presented using data obtained from 2 short-term, small-budget evaluations of a world-class collection museum. Results show that self-mapping provides usable data with more than 90% of maps having tracking data for the entire museum. Maps varied in the amount of detail, but more than 60% of visitors provided details beyond what was required. In Study 1, movement patterns, sweep rate indices, and timing data suggest that the mapping data accurately reflected the visitor experience. Study 2 directly paired the self-mapping method used in Study 1 with unobtrusive behavioral observations to address the reliability and validity of the new approach. A discussion compares the relative costs and benefits of the new approach with more conventional direct observation techniques and provides directions for future research. 相似文献
27.
In this study we examined covariation assessments made using real‐world information held by individual participants about an important preventive health behaviour: receiving an influenza vaccine (‘flu shot’). Four hundred and seventy‐seven healthy adult participants completed a questionnaire, indicating both their personal experience and vicarious experience (knowledge of other people's experiences) with the flu shot and the flu. Additionally, participants provided a covariation assessment by indicating how effective they thought the flu shot is in preventing the flu. We examined whether the experience information was related to the covariation assessment, and whether it in turn was related to the decision to receive a flu shot. Our results indicated that people use a simple intuitive strategy to combine their personal experience information. For vicarious experience information, we found evidence for use of a normative strategy, as well as simpler intuitive strategies. Consistent with our hypothesis, both types of experience information were associated with the effectiveness judgement, which was subsequently related to the decision to obtain a flu shot. Practical applications of these findings are discussed. Copyright © 2002 John Wiley & Sons, Ltd. 相似文献
28.
Serge Piccinin Michael Mccarrey David Fairweather Diana Vito Gretchen Conrad 《Current Psychology》1998,17(1):75-92
This study compares the motivation and the quality of criticism responses of 697 undergraduates who were divided into three
levels of situation legitimacy (high, moderate, and low) and two levels (top versus bottom 40 percent) of anxiety related
to previous generalized assertiveness behaviours. The impact of gender was also studied. The results showed the legitimacy
of the situation for a critical response (preassessed with peer hold-out groups) significantly affected participants' motivation
to criticize as well as the quality of their critical responses, notwithstanding the poor quality of all criticism responses.
Anxiety related to previous global assertiveness was related to high motivation but not to quality of criticism responses.
There were no gender effects. Results are interpreted within an avoidance learning paradigm wherein the connotative meaning
of criticism is incongruent with harmonious long-term relationships so that it is suppressed until virtually forced by the
specifics of highly legitimate situations. 相似文献
29.
The present study investigated differences between referred and nonreferred children and their families on the basis of home and clinic observations and parent questionnaires. Subjects were 28 families with children between 4 and 8 years of age who had been referred to a clinic for actingout behavior and 28 nonreferred controls matched on several variables. Home observation results indicated that referred children showed significantly more deviant behavior and less prosocial behavior than nonreferred children and that their parents emitted more negative and commanding behavior in contrast to the control group. Systematic observation in the clinic revealed significant differences only in parent negativeness and number of commands. Finally, all five factors of the parent attitude questionnaire yielded large and significant differences between groups. There was considerable overlap between groups on all behavior variables but less overlap on the parent attitude measure. Results from a stepwise discriminant analysis classified 90% of referred children and 90% of nonreferred children correctly on the basis of the parent attitude variable alone. Taken together, these results suggest that child behavior is not always the critical variable in referral and stress the importance of multiple assessment procedures for child-family problems when children are referred for treatment.This research was supported by National Institute of Mental Health Grant MH 19633. The authors would like to express their appreciation to Sheila Eyberg and Orin Bolstad, who assisted in the completion of various aspects of this work. 相似文献
30.
Gretchen B. Chapman 《决策行为杂志》1998,11(1):47-58
Previous research has shown that after decision makers are endowed with an object, they are reluctant to trade it for an alternative item. This endowment effect can be explained by loss aversion, the tendency to weight losses more heavily than gains. Consequently, there is no reluctance to trade when no true loss is involved. Four studies investigated whether reluctance to trade declines when the trade involves less of a loss—specifically, when one item is traded for another very similar item. Three experiments did not reveal a relation between willingness to trade and the similarity between the two items being traded. A fourth experiment, however, indicated that subjects were quite willing to trade for an identical item, less willing to trade for a similar item, and even less willing to trade for a dissimilar item. Thus, reluctance to trade decreased as the similarity between the endowment and the alternative increased. This result suggests that loss aversion is a function not only of the item being lost but also of the trade itself—that is, of the relation between the two items being traded. © 1998 John Wiley & Sons, Ltd. 相似文献