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51.
High-performance work systems and occupational safety 总被引:2,自引:0,他引:2
Two studies were conducted investigating the relationship between high-performance work systems (HPWS) and occupational safety. In Study 1, data were obtained from company human resource and safety directors across 138 organizations. LISREL VIII results showed that an HPWS was positively related to occupational safety at the organizational level. Study 2 used data from 189 front-line employees in 2 organizations. Trust in management and perceived safety climate were found to mediate the relationship between an HPWS and safety performance measured in terms of personal-safety orientation (i.e., safety knowledge, safety motivation, safety compliance, and safety initiative) and safety incidents (i.e., injuries requiring first aid and near misses). These 2 studies provide confirmation of the important role organizational factors play in ensuring worker safety. 相似文献
52.
Dónal?G.?FortuneEmail author Helen?L.?Richards Christopher?E.?M.?Griffiths Chris?J.?Main 《Journal of clinical psychology in medical settings》2005,12(2):143-152
The purpose of the present study was to examine the psychometric properties of the Penn state Worry Questionnaire (PSWQ) in patients with psoriasis. A series of cross-sectional and longitudinal studies were undertaken to assess the reliability, stability and validity of the measure. Patients with psoriasis from four samples (consecutive attendees, anxious patients, depressed patients, and 6-month follow-up of consecutive attendees) completed the PSWQ and measures assessing related constructs of anxiety and depression (HADS) and coping (COPE). The clinical severity of patients psoriasis was also assessed by dermatologists using the Psoriasis Area and Severity Index (PASI). Exploratory factor analysis was undertaken and receiver operator characteristic (ROC) analyses were used to examine the clinical utility of the PSWQ cut-off score for normal and pathological worry. Exploratory factor analysis suggested that the PSWQ is essentially unidimensional in patients with psoriasis. Intraclass correlation demonstrated that, over a 6-month period, the reproducibility of the PSWQ total scale was good in patients with anxiety and moderate in patients with depression. ROC analysis suggested that the optimum cutoff differentiating pathological worry was > 60, which is commensurate with findings in adult mental health more generally. The PSWQ cutoff for pathological worry showed a lower specificity for depression than anxiety. The PSWQ is an appropriate measure of pathological worry in patients with psoriasis. The cutoff on the scale for pathological worry demonstrates appropriate conceptual overlap with subordinate distress categories of anxiety and depression. 相似文献
53.
Roderick Main 《Journal of Contemporary Religion》1999,14(2):263-275
At various periods throughout the roughly two and a half millennia of its history in China, the I Ching or Book of Changes, while generally remaining grounded in a fundamentally spiritual world‐view, served as a foundational text for both magical and scientific thinking. This bivalence is reflected in some of the responses which this divinatory and philosophical system has received following its introduction to the West in the present century. The present paper looks at two such related, but contrasting responses, one emphasizing the more conspicuously magical dimension of the I Ching, the other emphasizing some of its suggested scientific implications. Both approaches take their primary inspiration from the psychological theories of C. G. Jung who was deeply engaged with the I Ching. It is suggested that part of the contemporary appeal of the I Ching in the West may derive from its serving as a symbol for the integration of scientific, magical, and spiritual thinking. 相似文献
54.
Virginia W. Berninger
Adele Proctor
Irma De Bruyn
Roderick Smith 《Journal of School Psychology》1988,26(4):341-357The validity of a test battery, organized by a theoretical framework of levels of language processing and production, was evaluated at the end of kindergarten and theend of first grade. At the end of kindergarten two levels of oral language, phonemic and lexical, and at the end of first grade three levels of oral language, phonemic, lexical, and text, were correlated with word decoding and reading comprehension. At the end of first grade, the combination of phonemic and lexical skills accounted for more variance in both word decoding and reading comprehension than either phonemic or lexical skills alone. The strength of the relationship between specific levels of oral language and specific component reading skills changed after formal reading instruction was introduced. Functional relationships were found between improvement in phonemic skills or lexical skills and improvement in word decoding. Partial correlations between two levels of oral language with a third partialed out (receptive or expressive task requirements held constant) provided evidence for three semiindependent levels of oral language—phonemic, lexical, and text. Because the battery has concurrent and construct validity, school psychologists can use it to monitor beginning readers in order to prevent reading disabilities due to subtle language dysfunctions. 相似文献
55.
Talking computers employing computer-generated speech feedback have been used to remediate the literacy skills of dyslexic readers. A computer program is described that employs DECtalk, a highlevel speech synthesizer, to narrate instruction involving intensive training in identifying whole words or in identifying and blending word segments corresponding to onsets, rimes, and phonemes. Procedures for developing individualized instruction are described as well as for constructing and editing the speech and graphics features of the program. Neurologically impaired dyslexic children trained with this program achieved greater acquisition and transfer of word recognition skill when their training involved segmented rather than whole word feedback. 相似文献
56.
57.
Roderick Wong 《Motivation and emotion》1978,2(1):87-95
This experiment was designed to determine the extent to which performance differences on learning tasks arising from infantile handling reflect learning or emotionality differences. Handled and nonhandled rats were trained and tested in a controlled operant situation where a response on every other trial yielded reinforcement. A key light was turned on for 10 sec during each trial and was off during the 10-sec intertrial interval. The reinforced (S+) trials alternated in a regular sequence with nonreinforced (S–) trials. The pattern of S+ and S– trials recycled continuously throughout the session of 160 trials. The handled rats emitted more responses during both S+ and S– trials than did the nonhandled rats. However, when they were compared on the percentage of emitted responses that were reinforced, there was no significant differences between the two groups. These results were interpreted to suggest that infantile handling does not directly facilitate associative learning in rats.This research was aided by a grant from the National Research Council of Canada, 67-0247. I thank Linda Easton and Beverly Clark for their help in collecting and analyzing the data. 相似文献
58.
A general formulation is presented for obtaining conditionally unbiased, univocal common-factor score estimates that have
maximum validity for the true orthogonal factor scores. We note that although this expression is formally different from both
Bartlett's formulation and Heermann's approximate expression, all three, while developed from very different rationales, yield
identical results given that the common-factor model holds for the data. Although the true factor score validities can be
raised by a different non-orthogonal transformation of orthogonalized regression estimates—as described by Mulaik—the resulting
estimates lose their univocality. 相似文献
59.
60.
This research tested the hypothesis that the importance of adult approval and feedback for females relative to males would render girls of elementary school age more likely to develop an extrinsic orientation in comparison to boys. Using S. Harter's Scale of Intrinsic versus Extrinsic Motivation [(1981), “A New Self-Report Scale of Intrinsic Versus Extrinsic Motivational Orientation in the Classroom: Motivational and Informational Components,” Developmental Psychology Vol. 17, pp. 300–312], the data supported this hypothesis. Because of the assumed differential importance of controlling feedback from adults for females relative to males, a second study examined girls' and boys' preference for challenge as a function of adult controlling feedback and children's motivational orientation. The pattern of data supported the hypothesis that girls relative to boys show differential preferences for challenge, depending on the presence of type of adult feedback and motivational orientation in girls. 相似文献