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231.
232.
The utility of the M Test (Beaber, Marston, Michelli, & Mills, (1985) as a screening measure for malingering was assessed using simulation-design (subjects asked to fake mental illness) and natural-group (forensic assessment cases suspected of malingering) approaches. A total of 318 subjects from community, clinical, and correctional settings completed the M Test under instructions to respond honestly or to simulate a major mental disorder. A factor analysis of the M Test items supported the original rationally based scale assignment, and the scales were found to have adequate internal reliability. To examine the predictive validity of the M Test, results revealed that sensitivity using the cutting scores suggested by Beaber et al. (1985) was much higher for simulating subjects (79.8%) than for the suspected malingerers (40.0%). The findings emphasize the danger of exclusive reliance on simulation studies for validating measures of malingering. It was concluded that, in its present form, the M Test does not constitute a good screening measure for assessing malingering. 相似文献
233.
Psychology of computer use: XXIV. Computer-related stress among technical college students. 总被引:1,自引:0,他引:1
Hudiburg's Computer Technology Hassles Scale, along with a measure of global stress and a scale on attitudes toward computers, were administered to 186 students in a two-year technical college. Hudiburg's work with the hassles scale as a measure of "technostress" was affirmed. Moderate, but statistically significant, correlations among the three scales are reported. No relationship between the hassles scale and achievement as measured by GPA was detected. 相似文献
234.
Young and old Ss were tested in 3 experiments conducted to explore factors leading to age-related performance differences in consistent mapping (CM) and varied mapping (VM) search tasks. The separate and combined influences of memory scanning and visual search on age-related search effects were examined. In both CM letter and CM semantic category search, age interacted with comparison load in visual and hybrid memory-visual search conditions, whereas differential age effects were not present in pure memory search. For VM search, age effects were present only in pure memory search. These data support the view that the separation of type of search training (CM and VM) as well as memory and visual search components is critical for predicting age-related performance differences. The dissociation of the pattern of age effects in memory and visual search suggests that memory and visual search involve different processing mechanisms. 相似文献
235.
236.
Thirty-two four-year-old and 32 six-year-old children were presented a conjunctive concept that involved either two values from within a single dimension (unidimensional condition) or two values from different dimensions (bidimensional condition). As predicted, the results showed that the uni- vs bidimensional factor had no effect upon the performance of the younger children, while the older children solved more rapidly in the unidimensional than in the bidimensional condition. The results were interpreted to suggest that the younger children's responding is not under dimensional control and that a major source of difficulty for older children solving the conjunctive concept is the necessity of responding to two dimensions, not to two values. 相似文献
237.
In many competitive situations, aggression is one of several instrumental behaviors that can produce reinforcing consequences. Despite the fact that aggression precipitated by competition for valued resources is an increasingly important social problem, there is little evidence of a causal relationship. In a factorial experiment, dyads of 64 kindergarten and first-grade males played a game in a face-to-face setting that yielded a prize for the winner only. It was predicted that high levels of competition and high levels of reward magnitude would produce more aggressive behavior than lower levels of these variables. Additionally, children rated by their teachers as high in dispositional aggressiveness were anticipated to behave most aggressively in the game. Each of these predictions was confirmed on three different measures of aggression: verbal, interference, and physical. Furthermore, the data suggested that constructive action was sometimes abandoned in attempts to harm an opponent. Since competition for desirable objects is a social reality, it was concluded that conditions inhibiting aggression in these situations should be investigated. 相似文献
238.
Subjects learned either a hierarchically structured serial list of concept instances or a list made up of the same words but without structure. These two original lists were followed by one of four interpolated lists varying in number of hierarchical levels and consisting of new instances of the concepts which occurred in the original lists. Recall of the original structured list showed heavy retroactive inhibition, with the magnitude being independent of the number of conceptual levels in the interpolated lists. For the unstructured original list, retroactive inhibition decreased as the number of conceptual levels in the interpolated list increased. Some mechanisms believed involved in producing these outcomes were discussed. 相似文献
239.
In this study the performance of normotensive (WKY) rats was compared with that of hypertensive (SHR) rats on a Novel Object Test, a standardized Fear Test, and the Hebb-William's maze. We found no strain differences for exploration; however, WKY rear and ambulate more than SHR near the walls of the apparatus. There were no strain differences apparent in the Fear Test. WKY showed markedly different behavior compared with SHR on the Hebb-William's maze; WKY showed a high level of stereotyped displacement behaviors and failed to improve their performance over successive trials. Overall, WKY appear to be more reactive to environmental conditions than SHR. The behavior of both strains is highly context dependent. 相似文献
240.
R Rogers 《The American psychologist》1987,42(9):840-848