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201.
Dewhurst ME Veach PM Lampman C Petraitis J Kao J LeRoy B 《Journal of genetic counseling》2007,16(2):157-170
Heuristics are mental shortcuts that aid people in everyday problem-solving and decision-making. Although numerous studies
have demonstrated their use in contexts ranging from consumers’ shopping decisions to experts’ estimations of experimental
validity, virtually no published research has addressed heuristics use in problems involving genetic conditions and associated
risk probabilities. The present research consists of two studies. In the first study, 220 undergraduates attempted to solve
four genetic problems—two common heuristic problems modified to focus on genetic likelihood, and two created to study heuristics
and probability rule application. Results revealed that the vast majority of undergraduates used heuristics and also demonstrated
a complete misuse of probability rules. In the second study, 156 practicing genetic counselors and 89 genetic counseling students
solved slightly modified versions of the genetic problems used in Study 1. Results indicated that a large percentage of both
genetic counselors and students used heuristics, but the counselors demonstrated superior problem-solving performance compared
to both the genetic counseling students and the undergraduates from Study 1. Research, training, and practice recommendations
are presented. 相似文献
202.
Paola Ricciardelli Claudia Bonfiglioli Cristina Iani Sandro Rubichi Roberto Nicoletti 《Revue canadienne de psychologie expérimentale》2007,61(2):79-90
In this study we investigated in a Simon-like task whether task-irrelevant spatial information, delivered by centrally presented patterns, interfered with response selection in the same way as laterally presented stimuli. Second, we asked whether such interference was equal for different kinds of stimuli. Participants were required to respond to the colour of two framed squares, two arrows, or two schematic eyes by pressing one of two lateralized response keys. The results consistently show that the Simon effect occurs independently of the nature of the stimulus, as classically reported for lateralized stimuli. Response times were influenced by the direction and frame-relative position of the stimuli, being faster for responses corresponding to the direction indicated by the stimuli than for noncorresponding responses regardless of stimulus types. Contrary to findings with lateralized nondirectional stimuli, such an effect increased with increasing RTs indicating that for centrally presented patterns the extraction of spatial information is time consuming. 相似文献
203.
204.
Evaluation point feedback was used to align confidence judgments with accurate/inaccurate responding to general knowledge questions. Rehearsal of item-answer pairs and three evaluation systems based on a scoring rule had different effects on confidence, accuracy and their relationship. Using standard calibration measures (Yates, J.F., (1990). Judgment and Decision Making. Englewood Cliffs, NJ: Prentice Hall) we found that a point system comprising of both rewarding (positive) and punishing (negative) consequences produced the best performance across levels of knowledge in comparison to all-rewarding and all-penalty rules. 相似文献
205.
To test the domain-specificity of "theory of mind" abilities we compared the performance of a case-series of 11 brain-lesioned patients on a recently developed test of false belief reasoning () and on a matched false photograph task, which did not require belief reasoning and which addressed problems with existing false photograph methods. A strikingly similar pattern of performance was shown across the false belief and false photograph tests. Patients who were selectively impaired on false belief tasks were also impaired on false photograph tasks; patients spared on false belief tasks also showed preserved performance with false photographs. In some cases the impairment on false belief and false photograph tasks coincided with good performance on control tasks matched for executive demands. We discuss whether the patients have a domain-specific deficit in reasoning about representations common to both false belief and false photograph tasks. 相似文献
206.
207.
Une intervention basée sur une théorie a été réalisée auprès d’un échantillon de 297 automobilistes pour tenter de lancer de nouvelles habitudes de déplacement (essayer de préférer les transports en commun plutôt que la voiture). Un modèle de modification d’une décision morale relevant de la théorie de Schwartz et Howard (1981) fut exploité dans la conception d’une intervention associant une technique de décristallisation des comportements antérieurs (remise provisoire d’une carte gratuite) avec une technique focalisée sur une norme (appel à l’implication). L’échantillon était constitué de 297 citoyens allemands pouvant utiliser facilement leur voiture et vivant dans des quartiers bien desservis par les transports en commun. Les participants ont été répartis au hasard dans quatre conditions (implication précédée par une carte gratuite, seulement l’implication, seulement la carte gratuite et groupe contrôle) et durent faire part de leur choix de transport pour un trajet précis et habituel (par exemple aller au travail) sur une durée de huit semaines suivie d’une période contrôle de deux semaines. En outre, les variables du modèle (la règle personnelle de réduction de l’utilisation de la voiture, les normes sociales, les coûts comportementaux ressentis et les habitudes) ont été enregistrées toutes les deux semaines. Bien que les effets globaux de l’intervention aient été faibles, les résultats montrent qu’une motivation morale est un prédicteur pertinent du choix d’un mode de transport qui peut être renforcé par une intervention portant sur l’implication précédée par un changement temporaire de la situation. A theory‐driven intervention was carried out to initiate the try‐out of a new travel mode behavior (try out taking public transport instead of car) in a sample of habitual car users (N= 297). A modified moral decision making model based on the theory of Schwartz and Howard (1981 ) served as background for the design of an intervention combining a habit‐defrosting technique (temporary gift of a free ticket) with a norm‐focused technique (plea for commitment). The sample consisted of 297 German citizens with good car access and living in areas with a convenient supply of public transportation. Participants were randomly assigned to four groups (commitment preceded by a free ticket, commitment only, free ticket only, and control) and had to report their travel mode choice for a particular, regular trip (e.g. trip to work) for a period of 8 weeks and a 2‐week follow‐up period. Additionally, model variables (personal norm to reduce car use, social norm, perceived behavioral costs, and habit) were recorded every 2 weeks. Although overall effects of the interventions were small, results indicate that a moral motivation is a relevant predictor for travel mode choices and can be stabilised by a commitment intervention preceded by a temporary change of the situation. 相似文献
208.
209.
Andreas Kastenmüller Nilüfer Aydin Dieter Frey Eva Traut‐Mattausch Claudia Peus Peter Fischer 《Journal of applied social psychology》2014,44(6):423-432
This study investigated the impact of the perceived threat of terrorism on employees' ability to cope with organizational change as well as potentially underlying psychological mechanisms related to work satisfaction and initiative. Three days after the 2006 thwarted terrorist attacks in the United Kingdom, participants were reminded of terrorist threat (by pictures of terrorist attacks) reported lower levels in their ability to cope with organizational change, as well as lower levels of work satisfaction, than did participants who were not reminded of terrorist threat. Three months later, the same terror salience manipulation had no differential effect on these variables. Mediation analyses revealed that work satisfaction mediated the impact of terror salience on employees' ability to cope with organizational change. 相似文献
210.