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The purpose of the current study was to examine the impact of item parameter drift (IPD) occurring in context questionnaires from an international large-scale assessment and determine the most appropriate way to address IPD. Focusing on the context of psychometric and educational research where scores from context questionnaires composed of polytomous items were employed for the classification of examinees, the current research investigated the impacts of IPD on the estimation of questionnaire scores and classification accuracy with five manipulated factors: the length of a questionnaire, the proportion of items exhibiting IPD, the direction and magnitude of IPD, and three decisions about IPD. The results indicated that the impact of IPD occurring in a short context questionnaire on the accuracy of score estimation and classification of examinees was substantial. The accuracy in classification considerably decreased especially at the lowest and highest categories of a trait. Unlike the recommendation from literature in educational testing, the current study demonstrated that keeping items exhibiting IPD and removing them only for transformation were appropriate when IPD occurred in relatively short context questionnaires. Using 2011 TIMSS data from Iran, an applied example demonstrated the application of provided guidance in making appropriate decisions about IPD. 相似文献
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The manual describes the psychotherapeutic procedure for somatizing patients who are admitted to hospital for diagnostics and therapy of unclear physical complaints. An essential goal of the psychotherapeutic interventions is to achieve an understanding for the disease, in which body, psyche and social relationships are experienced as interrelated. By addressing the health fears and subjective concepts about the onset and maintenance of his physical complaints, the patient feels that he is being taken seriously and understood. Connections between physical symptoms and the suppression of undesirable affects like anger, rage and disappointment are verbalized and understood in greater depth, based on body perception exercises and a symptom diary. The positive experience of understanding and symptom relief obtained in the psychotherapeutic sessions is used for the main goal of the intervention: to motivate the (out- and in-)patient for a regular psychotherapy. Experience up to now has shown that three to five sequential sessions of about 45–60 minutes suffice to attain this therapy goal. Implementation is most successful within an established consultant or liaison service in close cooperation with the ward doctors. 相似文献
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Although all people belong to a multitude of different social categories and occupy various social roles, the mechanism(s) through which people manage such a complex and potentially incoherent self-concept is not well understood. We report a study showing that excitatory and inhibitory processes act in tandem to keep potentially conflicting self-categorizations from simultaneously occurring. Specifically, when members of the fraternity/sorority system activated their “Greek” identities, the mental representation of their normatively conflicting identity as university students was inhibited below baseline. Importantly, participants who were non-members of the Greek system, although equally familiar with the relevant stereotypes, did not show this pattern of inhibition, indicating that it is only when one experiences conflict between two relevant social categories that such inhibitory processes are engaged. 相似文献
77.
The present study tested the proposition that an intervention to reduce alcohol use among college students will also reduce their risky sexual behavior. In a randomized controlled trial, 154 heavy-drinking, predominantly White, heterosexual college students at behavioral risk for infection with HIV and other sexually transmitted diseases were assigned to receive no intervention or a two-session, in-person, motivational interviewing-based intervention focused on (a) reducing alcohol risk behavior, (b) reducing HIV risk behavior, or (c) reducing both alcohol and HIV risk behavior. Three-month retrospective assessments of alcohol use and sexual behavior were conducted at intake and at 3-, 6-, 9-, 12-, and 15-month follow-up appointments. During follow-up, participants who received the single-focus alcohol risk-reduction intervention drank less frequently and consumed fewer drinks per drinking day as compared with no-intervention control participants, but did not differ from control participants in their frequency of intercourse without a condom or number of sexual partners. Participants who received the single-focus HIV risk-reduction intervention evidenced fewer unprotected sex events during follow-up, as compared with control participants. The number of sexual partners reported during follow-up did not differ by condition. Effects of the interventions did not vary significantly over time and were not moderated by participant gender. Results suggest that intervening to reduce alcohol use may not reduce risky sexual behavior among nonminority college students, but that a brief motivational intervention targeting HIV risk behavior may have utility for reducing the frequency of unprotected sex in this population. 相似文献
78.
Prof. Dr. Kurt Fritzsche Christian Albus Jochen Jordan Manfred E. Beutel J?rg Wiltink Christoph Herrmann-Lingen 《Psychotherapeut》2011,56(4):325-336
Depressive symptoms in patients presenting with coronary heart disease have an impact on quality of life, health behavior, and prognosis. The psychotherapeutic interventions which had been tested for their efficacy in previous randomized controlled trials, showed only minor effects. A stepwise approach consisting of individual and group psychotherapeutic interventions was tested for efficacy in a German multicenter study. The presented paper describes the therapeutic procedure for two individual sessions and one couple session by means of case examples. The main focus was to determine depressive symptoms along with underlying maladaptive personality traits such as negative affectivity and social inhibition (type D pattern). Depressive mood, disappointments and mortifications both in private and professional life and also during the previous treatment are verbalized. Dysfunctional relation patterns and maladaptive sickness behavior are taken up by the psychotherapist and alternative behavior patterns are developed. The objective of the couple session is strengthening the partnership resources and offering relief of fears and worries relative to the heart disease. The psychotherapeutic procedure is psychodynamically oriented but also contains cognitive-behavioral and interactional treatment approaches. 相似文献
79.
Rhodes R Azzouni J Baumrin SB Benkov K Blaser MJ Brenner B Dauben JW Earle WJ Frank L Gligorov N Goldfarb J Hirschhorn K Hirschhorn R Holzman I Indyk D Jabs EW Lackey DP Moros DA Philpott S Rhodes ME Richardson LD Sacks HS Schwab A Sperling R Trusko B Zweig A 《The American journal of bioethics : AJOB》2011,11(11):1-7
80.
Wascher CA Scheiber IB Braun A Kotrschal K 《Journal of comparative psychology (Washington, D.C. : 1983)》2011,125(1):116-119
Adequate short-term responses to stressors are of great importance for the health and well-being of individuals and factors modulating the physiological stress response (e.g., controllability, suddenness, familiarity) of a stimulus are well described under laboratory conditions. In the present study we aimed at investigating the stress response in greylag geese (Anser anser) in the field, confronting individuals with naturally occurring stressors. We measured beat-to-beat heart rate (HR) via fully implanted transmitters during three different experimental challenges: (1) catching and holding, (2) confrontation with a model predator, and (3) approach by different humans. We compared this to a control period and HR during agonistic encounters, a naturally occurring stressor. All three experimental situations evoked a HR increase. Highest HR responses were elicited by catching and holding the animals. In the third experiment, HR responses were greatest when the geese were approached by a human stranger (i.e., somebody the geese have never seen before). Hence, geese discriminated between different kinds of stressors and adjusted their physiological response depending on the type of stressor. Our results show that geese were able to discriminate between individual humans. In line with a number of lab studies, we suggest that particularly the controllability of certain situation determines the intensity of the HR response, also in a natural setting in the field. 相似文献