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931.
Much research has highlighted incoherent implications of judgmental heuristics, yet other findings have demonstrated high correspondence between predictions and outcomes. At the same time, judgment has been well modeled in the form of as if linear models. Accepting the probabilistic nature of the environment, the authors use statistical tools to model how the performance of heuristic rules varies as a function of environmental characteristics. They further characterize the human use of linear models by exploring effects of different levels of cognitive ability. They illustrate with both theoretical analyses and simulations. Results are linked to the empirical literature by a meta-analysis of lens model studies. Using the same tasks, the authors estimate the performance of both heuristics and humans where the latter are assumed to use linear models. Their results emphasize that judgmental accuracy depends on matching characteristics of rules and environments and highlight the trade-off between using linear models and heuristics. Whereas the former can be cognitively demanding, the latter are simple to implement. However, heuristics require knowledge to indicate when they should be used. 相似文献
932.
Using system dynamics modeling to understand the impact of social change initiatives 总被引:1,自引:0,他引:1
Community psychologists have a long history of interest in understanding social systems and how to bring about enduring positive change in these systems. However, the methods that community psychologists use to anticipate and evaluate the changes that result from system change efforts are less well developed. In the current paper, we introduce readers to system dynamics modeling, an action research approach to studying complex systems and the consequences of system change. We illustrate this approach by describing a system dynamics model of educational reform. We provide readers with an introduction to system dynamics modeling, as well as describe the strengths and limitations of the approach for application to community psychology. 相似文献
933.
Following concepts introduced by Markus and Kitayama [Markus, H. R. & Kitayama, S. (1991). Culture and the self: implication for cognition, emotion, and motivation. Psychological Review, 98, 224–253.], two studies were conducted to develop and test a new scale to measure individualism and collectivism, each with its seven constituent facets. The proposed two-dimensional structure was supported by exploratory factor analyses of Chinese and British samples of general populations. The new Independent and Interdependent Self Scale (IISS) was found to have satisfactory reliability and validity across five independent samples of Chinese and British students and community adults. The strengths and limitations of the present research as well as future directions for research are discussed. 相似文献
934.
Two experiments investigated the conditions under which majority and minority sources instigate systematic processing of their messages. Both experiments crossed source status (majority vs. minority) with message quality (strong vs. weak arguments). In each experiment, message elaboration was manipulated by varying either motivational (outcome relevance, Experiment 1) or cognitive (orientating tasks, Experiment 2) factors. The results showed that when either motivational or cognitive factors encouraged low message elaboration, there was heuristic acceptance of the majority position without detailed message processing. When the level of message elaboration was intermediate, there was message processing only for the minority source. Finally, when message elaboration was high, there was message processing for both source conditions. These results show that majority and minority influence is sensitive to motivational and cognitive factors that constrain or enhance message elaboration and that both sources can lead to systematic processing under specific circumstances. 相似文献
935.
Measurement issues associated with conditional reasoning tests: indirect measurement and test faking
Conditional reasoning is a new measurement technique used to measure cognitive biases associated with latent personality motives. The current article describes 3 studies examining 2 related measurement issues associated with conditional reasoning tests (CRTs). Study 1 examined the necessity of maintaining indirect assessment when administering CRTs. Results indicated that, compared with a control condition, 2 experimental conditions that disclosed the purpose of assessment yielded significant mean shifts on a CRT. Study 2 explored whether CRTs could be faked when the purpose of assessment was not disclosed. Results indicated that when indirect measurement was maintained, CRTs appeared to be resistant to faking. Study 3 compared scores on the Conditional Reasoning Test for Aggression across student, applicant, and incumbent samples. Results indicated no significant mean differences among these samples. 相似文献
936.
Banerjee R Yuill N Larson C Easton K Robinson E Rowley M 《Developmental psychology》2007,43(5):1084-1096
Two experiments investigated children's implicit and explicit differentiation between beliefs about matters of fact and matters of opinion. In Experiment 1, 8- to 9-year-olds' (n = 88) explicit understanding of the subjectivity of opinions was found to be limited, but their conformity to others' judgments on a matter of opinion was considerably lower than their conformity to others' views regarding an ambiguous fact. In Experiment 2, children aged 6, 8, or 10 years (n = 81) were asked to make judgments either about ambiguous matters of fact or about matters of opinion and then heard an opposing judgment from an expert. All age groups conformed to the opposing judgments on factual matters more than they did to the experts' views on matters of opinion. However, only the oldest children explicitly recognized that opinions are subjective and cannot be "wrong." Implications of these results for models of children's reasoning about epistemic states are discussed. 相似文献
937.
Patients with corticobasal degeneration (CBD) have calculation impairments. This study examined whether impaired number knowledge depends on verbal mediation. We focused particularly on knowledge of very small numbers, where there is a precise relationship between a cardinality and its number concept, but little hypothesized role for verbal mediation. We evaluated accuracy and reaction time (RT) for matching dot arrays and Arabic numerals involving smaller (2-4) and larger (5-9) cardinalities in non-aphasic patients with CBD (n=16), frontotemporal dementia (FTD; n=23), and healthy controls (n=15). CBD were less accurate and slowed at judging smaller Arabic numeral-dot array stimuli compared to FTD patients and controls. Moreover, only CBD showed longer RTs judging successively larger number-dot array pairs among the smaller cardinalities. Difficulty judging very small numbers is impaired in CBD, suggesting degraded representation of precise number knowledge that does not depend on language functioning. 相似文献
938.
Mahon BZ Costa A Peterson R Vargas KA Caramazza A 《Journal of experimental psychology. Learning, memory, and cognition》2007,33(3):503-535
The dominant view in the field of lexical access in speech production maintains that selection of a word becomes more difficult as the levels of activation of nontarget words increase--selection by competition. The authors tested this prediction in two sets of experiments. First, the authors show that participants are faster to name pictures of objects (e.g., "bed") in the context of semantically related verb distractors (e.g., sleep) compared with unrelated verb distractors (e.g., shoot). In the second set of experiments, the authors show that target naming latencies (e.g., "horse") are, if anything, faster for within--category semantically close distractor words (e.g., zebra) than for within--category semantically far distractor words (e.g., whale). In the context of previous research, these data ground a new empirical generalization: As distractor words become semantically closer to the target concepts--all else being equal--target naming is facilitated. This fact means that lexical selection does not involve competition, and consequently, that the semantic interference effect does not reflect a lexical level process. This conclusion has important implications for models of lexical access and interpretations of Stroop-like interference effects. 相似文献
939.
This content analysis of reflective papers examined undergraduate and graduate students' reactions to attending a 12‐step meeting. Qualitative analysis of student comments suggested that meeting attendance had a personal impact and increased understanding of the purpose of 12‐step programs. Implications for counselor educators are discussed. 相似文献
940.
Robin S. Codding Tanya L. Eckert Erica Fanning Maria Shiyko Esther Solomon 《Journal of Behavioral Education》2007,16(2):125-141
The purpose of this study was to compare the isolated effects of cover-copy-compare (CCC) with the combined effects of CCC
and two types of performance feedback (i.e., digits correct and incorrect per minute) on sixth grade students’ mathematics
fluency and accuracy. An alternating treatments design was employed to compare treatments across 16 weeks. Participants included
three general education sixth grade students whose teachers recommended them for additional help with mathematics calculation.
No differentiation between treatments was demonstrated for any of the participants and individual differences pertaining to
the number of sessions needed to reach and consistently perform at mastery levels were found. Follow-up data at 4 and 12 days
following termination of the intervention phase indicated that all participants continued to perform at mastery levels. Generalization
to a slightly more difficult mathematics skill yielded pre-intervention to post-intervention increases, albeit small. Students
rated all three treatment conditions favorably. 相似文献