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141.
142.
Assessing problems of cancer patients: psychometric properties of the cancer inventory of problem situations 总被引:1,自引:0,他引:1
Evaluated the psychometric properties of the Cancer Inventory of Problem Situations (CIPS), a cancer-specific survey instrument designed to assess day-to-day problems and rehabilitation needs of cancer patients. A heterogeneous group of 479 cancer patients participated in the research. The substructure of the CIPS was investigated using factor-analytic techniques. The CIPS was factored into 31 clinically useful subscales. Further analyses led to five higher order factors representing the physical, psychosocial, medical interaction, marital, and sexual problem areas characteristic of cancer and its treatment. Internal consistency of all the scales was high (mean alpha = .81). The test-retest reliability and validity of the instrument were also studied in a sample of 120 patients. Analyses of items, subscales, higher order factors, and total CIPS scores suggest excellent reliability. The pattern of correlations of the CIPS with other measures (psychological distress; physical, marital, and sexual functioning; and quality of life) provided preliminary evidence of concurrent, discriminant, and convergent validity. The CIPS appears to have sound psychometric properties and fills an important gap in the assessment of cancer patients for both clinical and research purposes. 相似文献
143.
Heinrich Stumpf 《Journal of personality》1993,61(1):27-48
ABSTRACT The present research examined the generalizability of the factor structure of the Personality Research Form (PRF) across various populations. A common methodology was used for factoring 18 data bases from largely differing samples (including data from one Asian and two European countries). In accordance with previous research results, five factors were rotated in every case and compared with two target factor solutions. A mean congruence coefficient of .93 as well as similar proportions of variance explained by the factors in the various populations indicated a large amount of generalizability for that structure. An alternative but similar structure, which had been interpreted in terms of the so-called "Big Five" factors of personality, proved to be only slightly less generalizable. It was concluded that the fairly abstract constructs of both PRF factor structures are useful for describing personality in the cultures under study, leaving room for the possibility of more subtle or specific differences between the populations. 相似文献
144.
J. Gayle Beck M. Andrew Berisford Heinrich Taegtmeyer 《Behaviour research and therapy》1991,29(6):611-621
The present investigation was designed to examine panic symptom experience in patients with chest pain of nonorganic etiology, using a hyperventilation provocation procedure. Given the recent focus on panic disorder in patients with nonorganic chest pain, we assessed three indices of physiological arousal, subjective anxiety, and endorsement of DSM-III-R panic symptomatology in response to 3 min of voluntary hyperventilation. Subjects included 23 patients with nonorganic chest pain (CP sample) and matched normal controls (NC sample). The results indicate that hyperventilation produced significant increases in skin conductance, heart rate, and upper trapezious EMG in both CP and NC samples. Despite equivalent levels of physiological arousal and subjective anxiety, the CP sample endorsed a greater number of DSM-III-R panic symptoms relative to the NC sample. Examination of post-hyperventilation symptoms indicated that a greater percentage of the CP sample reported palpitations, nausea, and chest pain when compared with normals. Comparison of CP patients with and without Panic Disorder revealed no significant differences on any measure. The results suggests that hyperventilation plays a role in symptom experience in patients with nonorganic chest pain, although anxiety does not appear central in moderating this effect. 相似文献
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Feldmann RE Maurer MH Hunzinger C Lewicka S Buergers HF Kalenka A Hinkelbein J Broemme JO Seidler GH Martin E Plaschke K 《Stress (Amsterdam, Netherlands)》2008,11(2):134-147
Chronic stress is associated with hippocampal atrophy and cognitive dysfunction. This study investigates how long-lasting administration of corticosterone as a mimic of experimentally induced stress affects psychometric performance and the expression of the phosphatidylethanolamine binding protein (PEBP1) in the adult hippocampus of one-year-old male rats. Psychometric investigations were conducted in rats before and after corticosterone treatment using a holeboard test system. Rats were randomly attributed to 2 groups (n = 7) for daily subcutaneous injection of either 26.8 mg/kg body weight corticosterone or sesame oil (vehicle control). Treatment was continued for 60 days, followed by cognitive retesting in the holeboard system. For protein analysis, the hippocampal proteome was separated by 2D electrophoresis (2DE) followed by image processing, statistical analysis, protein identification via peptide mass fingerprinting and gel matching and subsequent functional network mapping and molecular pathway analysis. Differential expression of PEBP1 was additionally quantified by Western blot analysis. Results show that chronic corticosterone significantly decreased rat hippocampal PEBP1 expression and induced a working and reference memory dysfunction. From this, we derive the preliminary hypothesis that PEBP1 may be a novel molecular mediator influencing cognitive integrity during chronic corticosterone exposure in rat hippocampus. 相似文献
148.
Robust and effortless spatial orientation critically relies on "automatic and obligatory spatial updating", a largely automatized and reflex-like process that transforms our mental egocentric representation of the immediate surroundings during ego-motions. A rapid pointing paradigm was used to assess automatic/obligatory spatial updating after visually displayed upright rotations with or without concomitant physical rotations using a motion platform. Visual stimuli displaying a natural, subject-known scene proved sufficient for enabling automatic and obligatory spatial updating, irrespective of concurrent physical motions. This challenges the prevailing notion that visual cues alone are insufficient for enabling such spatial updating of rotations, and that vestibular/proprioceptive cues are both required and sufficient. Displaying optic flow devoid of landmarks during the motion and pointing phase was insufficient for enabling automatic spatial updating, but could not be entirely ignored either. Interestingly, additional physical motion cues hardly improved performance, and were insufficient for affording automatic spatial updating. The results are discussed in the context of the mental transformation hypothesis and the sensorimotor interference hypothesis, which associates difficulties in imagined perspective switches to interference between the sensorimotor and cognitive (to-be-imagined) perspective. 相似文献
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Heinrich A Schneider BA Craik FI 《Quarterly journal of experimental psychology (2006)》2008,61(5):735-751
A number of factors could explain the adverse effect that babble noise has on memory for spoken words (Murphy, Craik, Li, & Schneider, 2000). Babble could degrade the perceptual representation of words to such an extent that it compromises their subsequent processing, or the presence of speech noise in the period between word presentations could interfere with rehearsal. Thirdly, the top-down processes needed to extract the words from the babble could draw on resources that otherwise would be used for encoding. We tested all these hypotheses by presenting babble either only during word presentation or rehearsal, or by gating the babble on and off 500 ms before and after each word pair. Only the last condition led to a decline in memory. We propose that this decline in memory occurred because participants were focusing their attention on the auditory stream (to enable them to better segregate the words from the noise background) rather than on remembering the words they had heard. To further support our claim we show that a similar memory deficit results when participants perform the same memory task in quiet together with a nonauditory attention-demanding secondary task. 相似文献