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151.
We examined lay perceptions of what counts as a decision. Eighty-six subjects read 10 scenarios that described clear decisions (e.g., choosing a graduate school), clear “nondecisions” (e.g., an accidental wrong turn), or ambiguous actions (e.g., eating a donut when on a diet or allowing someone else to make the decision). The subjects rated each scenario as to whether the actor had made a decision and also rated six other attributes. The scenarios were rated as clearly illustrating a decision if the actor engaged in a lot of thought and did not act reflexively. Consideration of consequences and having alternatives were moderately related to decision ratings, whereas having self-control problems and the influence of physiological drives showed little relationship with decision ratings. Thus, lay concepts of decision making differ from decision theory in that thoughtful, intentional behavior is more important in defining a decision than are decision theoretic components, such as alternatives and consequences.  相似文献   
152.
In three studies we investigated gender stereotypes of emotions among four ethnic groups in the U.S., using persons from these groups as informants about their own groups. European Americans’ reports of stereotypes were compared to those of African Americans (Study 1), Hispanic Americans (Study 2), and Asian Americans (Study 3). The examination of group differences was interpreted based on variations across ethnicities in norms concerning emotional expression and gender roles. Overall, gender stereotypes of emotion were evident among all ethnic groups studied, but European Americans’ gender stereotypes were the most gender differentiated. For example, European American stereotypes held that men express more pride than women do, but African Americans’ stereotypes of pride for men and women did not differ. Similarly, whereas among European Americans, women were stereotyped to express much more love than men do, the gender difference was smaller among Hispanic Americans and Asian Americans. These different norms may pose challenges for inter-cultural interactions, and they point to the importance of considering both gender and ethnicity simultaneously in the study of emotions.  相似文献   
153.
Observers identified consonant–vowel–consonant trigrams with the letters arranged vertically by pronouncing the stimulus (treating the bottom letter as the first letter) and spelling it from bottom to top. On each trial, the trigram was presented to the left visual field/right hemisphere (LVF/RH), to the right visual field/left hemisphere (RVF/LH), or to both visual fields simultaneously (BILATERAL trials). Quantitative and qualitative visual field differences were identical to those found when observers used a more natural response output order, treating the top letter of the trigram as the first letter. The results suggest that, regardless of output order, attention is distributed across the three letters in a relatively slow, top-to-bottom fashion on LVF/RH and BILATERAL trials, whereas attention is distributed more rapidly and evenly across the three letters on RVF/LH trials.  相似文献   
154.
Cue interaction in human contingency judgment   总被引:1,自引:0,他引:1  
Most studies of human contingency judgment have been based on the assumption that frequency information about one predictor is assessed in isolation of information about other predictors. Recent evidence, however, suggests that the judged predictive strength of one cue is influenced by the predictive strengths of other copresent cues. Two experiments demonstrate that stimuli with the same outcome contingencies may nonetheless have different predictive strengths as the result of cue interaction. The first experiment, in which a within-subject design was used, provides a demonstration of blocking. A stimulus presented in compound with a strong predictor was rated as less predictive than another stimulus that was presented in compound with a nonpredictive cue. In the second experiment, cue interactions in conditioned inhibition were examined. A stimulus gained negative predictive strength as the result of compound presentations with a positive predictor when the outcome was not presented. This negative predictor was compared with an otherwise analogous stimulus that was not presented in compound with a positive predictor. These results support the use of animal-conditioning models as accounts of human contingency learning.  相似文献   
155.
The purpose of this study was to examine the longitudinal relationship between attention-deficit/hyperactivity disorder (ADHD) symptoms, emotion regulation (ER) ability, and depressive symptoms within a diverse community sample of 277 youth, ages 9–12 (56 % male). Participants were drawn from a larger study examining adolescent risk behaviors, and completed annual assessments over 3 years. Youth ADHD symptoms were assessed at Time 1 (T1) using the parent-reported Disruptive Behavior Disorders Rating Scale, ER was assessed with the parent-reported Emotion Regulation Checklist at Time 2 (T2), and youth depressive symptoms were assessed using the self-reported Revised Child Anxiety and Depression Scales at Time 3 (T3). Analyses examined T2 ER as a mediator between T1 ADHD symptoms (including the unique contributions of inattentive [IA] versus hyperactive/impulsive [HI] symptoms) and T3 depressive symptoms. Structural equation modeling (SEM) indicated the path model specified provided an excellent fit to the data. Tests of indirect effects suggested that T2 ER appears to be a significant mechanism that underlies the relationship between T1 ADHD and T3 depression, even when accounting for T1 oppositional defiant and depressive symptoms. Furthermore, while both T1 IA and HI symptoms had significant indirect effects on T3 depression through the mechanism T2 ER, HI proved a more robust predictor of T2 ER than IA. Results of this prospective study support cross-sectional findings pointing to ER as a potential mechanism linking ADHD and depressive symptoms in youth. Clinical implications and future directions are discussed.  相似文献   
156.
In the last decade, an increasing number of cardiac conditions have been shown to have a genetic basis. Cardiovascular genetic counseling has emerged as a subspecialty aiming to identify unaffected at-risk individuals. An important sector of this at-risk population also includes expectant mothers, in whom unique clinical challenges may arise. Genetic counselors, especially those in cardiovascular and prenatal settings, have an opportunity to identify and assist women who may benefit from cardiovascular care during pregnancy. This paper provides basic management and genetic evaluation principles for affected women, as well as guidance on identifying those who are at risk. We provide considerations for cardiac surveillance in pregnancy and the post-partum period. Finally, key psychosocial issues that appraise how to best provide support to at risk women as they make informed decisions are discussed. We propose that a team approach including cardiology, maternal fetal medicine, and genetic counseling best serves this patient population. Ongoing questions addressing an evidence based approach to cardiovascular genetic conditions in pregnancy still remain. Thus, well-designed research protocols are essential to mark progress in this area.  相似文献   
157.
Four experiments with rat subjects examined the effects of contextual conditioning on conditioned appetitive performance. Experiment 1 compared the effects of contextual conditioning on performance to conditioned stimuli (CSs) with different conditioning histories. Contextual conditioning enhanced performance to the CS if the CS had first been conditioned and then extinguished, but had no effect on performance when the CS had been merely paired or unpaired with food. Experiments 2 and 3 then asked whether the effect on the extinguished CS was due to contextual conditioning acting as a cue for conditioning. In Experiment 2, extinction procedures in which extra unconditioned stimuli (USs) were presented during the intertrial intervals were found to reduce the CS's sensitivity to enhancement by contextual conditioning, but had no effect on spontaneous recovery. In Experiment 3, USs added to conditioning or extinction acquired the ability to cue the corresponding performance. Under some conditions, USs added to conditioning could suppress performance (Experiment 4). The results suggest that contextual conditioning has complex effects that can be better understood by recognizing that contextual conditioning, as well as the USs that create it,Mayacquire discriminative control over conditioned responding.  相似文献   
158.
Murnen  Sarah K.  Wright  Carrie  Kaluzny  Gretchen 《Sex roles》2002,46(11-12):359-375
In feminist sociocultural models of rape, extreme adherence to the masculine gender role is implicated in the perpetuation of sexual assault against women in that it encourages men to be dominant and aggressive, and it teaches that women are inferior to men and are sometimes worthy of victimization. Many researchers have linked components of masculine ideology to self-reports of past sexual aggression or future likelihood to rape. Thirty-nine effect sizes were examined in this meta-analysis across 11 different measures of masculine ideology to determine how strongly each index of masculine ideology was associated with sexual aggression. Although 10 of the 11 effect sizes were statistically significant, the 2 largest effects were for Malamuth's construct of “hostile masculinity” (e.g., Malamuth, Sockloskie, Koss, & Tanaka, 1991) and Mosher's construct of “hypermasculinity” (e.g., Mosher & Sirkin, 1984), both of which measure multiple components of masculine ideology including acceptance of aggression against women and negative, hostile beliefs about women. The next strongest relationships concerned measures of agreement that men are dominant over women and measures of hostility toward women. Scores on general measures of gender-role adherence, such as the Bem Sex Role Inventory (Bem, 1974), were not strong predictors of sexual aggression. Sociocultural models that link patriarchal masculine id eology and situational factors to sexual aggression should prove most predictive in future research.  相似文献   
159.
Preferential looking experiments investigated 5- and 8-month-old infants' perception and understanding of the motions of a shadow that appeared to be cast by a ball upon a box. When all the surfaces within the display were stationary, infants looked reliably longer when the shadow moved than when the shadow was stationary, indicating that they detected the shadow and its motion. In further experiments, however, infants' looking was not consistent with a sensitivity to the shadow's natural motion: They looked longer at natural events in which the shadow moved with the ball or remained at rest under the moving box than at unnatural events in which the shadow moved with the box or remained at rest under the moving ball. These findings suggest that infants overextend to shadows a principle that applies to material objects: Objects move together if and only if they are in contact. In a final experiment, infants were habituated to a moving shadow that repeatedly violated one aspect of the contact principle. In a subsequent test they failed to infer that the shadow would violate another aspect of the contact principle. Instead, they appeared to suspend all predictions concerning the behavior of the shadow.  相似文献   
160.
The present study addresses the definition and exploration of the existential and spiritual experience of persons who had spontaneously remitted or made a remarkable recovery from cancer. Spontaneous remitters had experienced a remission without having allopathic treatment which could account for the cancer regression. Those with remarkable recoveries may have had treatment, but had been given a prognosis of less than a 20% chance of survival in a specific number of months or years, and had survived at least five years past this time. The narratives of the ten participants indicated that cancer proved to be a wake-up call propelling them into unprecedented existential and spiritual growth. Nine of the participants reported that they had healed not only at physical, but also at emotional and spiritual levels. Most described a new and intensely numinous relationship with the divine and with the unity of all beings which was not religiously oriented. Nine out of ten participants felt that cancer had been a gift.  相似文献   
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