首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   367篇
  免费   23篇
  2023年   3篇
  2021年   4篇
  2020年   16篇
  2019年   11篇
  2018年   12篇
  2017年   16篇
  2016年   16篇
  2015年   10篇
  2014年   12篇
  2013年   41篇
  2012年   19篇
  2011年   14篇
  2010年   10篇
  2009年   10篇
  2008年   13篇
  2007年   12篇
  2006年   13篇
  2005年   7篇
  2004年   10篇
  2003年   8篇
  2002年   6篇
  2001年   4篇
  2000年   3篇
  1999年   4篇
  1998年   4篇
  1997年   4篇
  1996年   3篇
  1995年   6篇
  1994年   11篇
  1993年   4篇
  1992年   6篇
  1991年   4篇
  1990年   3篇
  1989年   3篇
  1988年   5篇
  1987年   4篇
  1986年   3篇
  1985年   6篇
  1984年   5篇
  1983年   4篇
  1982年   5篇
  1981年   4篇
  1980年   4篇
  1978年   4篇
  1976年   2篇
  1975年   2篇
  1972年   3篇
  1971年   2篇
  1970年   2篇
  1967年   2篇
排序方式: 共有390条查询结果,搜索用时 15 毫秒
251.
In the attempt to overcome shortcomings of previous research on women's employment patterns, married women's employment behavior was examined successively over a five year period (1976–1981). Logistic regression and discriminant function analyses were performed on a sample of 366 wives in dual earner families from the Panel Study of Income Dynamics. Attitudes as well as work and family factors differentiated women who worked continuously full-time from women who worked either part-time or intermittently during the five year period. The findings are discussed in the context of social change and the impact of changing norms on married women's work patterns.An earlier version of this paper was presented at the Annual Meeting of the American Psychological Association, New York, NY, August 1987. Comments and suggestions of Barbara A. Gutek are greatly appreciated.  相似文献   
252.
Undergraduate students viewed four videotaped vignettes that depicted potentially sexually harassing interactions between professors and students. Subjects were asked to evaluate the professor's behavior. The vignettes were composed so that two dimensions were manipulated: the sex of the initiator of the behavior and the type of behavior. Results of the study provided partial support of the following hypotheses: (1) the behaviors of female professors initiating potentially sexually harassing behaviors toward male students would be perceived as more appropriate than would the same behaviors initiated by male professors toward female students in identical situations; (2) female subjects would interpret the behaviors as more harassing than male subjects; and finally (3) subtle forms of harassment would be interpreted as more inappropriate by female students than by male students.  相似文献   
253.
There has been growing interest in teaching sign language to autistic children who have failed to develop speech. However, controlled experimentation in this area is nonexistent. In the present study, four nonverbal autistic children were taught expressive sign labels for common objects, using a training procedure that consisted of prompting, fading, and stimulus rotation. The efficacy of the procedure was demonstrated in a multiple-baseline design across objects. The results were reliable, replicable across children, and generalizable across therapists. A stimulus control analysis demonstrated that, for three of the children, correct signing was controlled solely by the visual cues associated with the presentation of a given object and was independent of the auditory cues related to the same object. These latter results are discussed with respect to the known perceptual and linguistic deficits of autistic children.  相似文献   
254.
255.
This study investigated occupational sex-role stereotypes of nursery school, kindergarten, third-grade, and sixth-grade children, and the effects of their acquiring gender constancy, specifically the concept of gender stability. Two types of occupational attitudes were assessed: (1) personal aspirations (PA) and (2) ideas about jobs men and women do. The latter were determined using the Occupations Survey (OS). Children chose stereotyped occupations for themselves even before they had a concept of gender stability. Boys' personal aspiration responses were more stereotyped than girls'. On the Occupations Survey, gender-stable nursery schoolers' responses were more stereotyped than those of the nonstable children; and a significant effect for age was found, with stereotyping decreasing among third graders and sixth graders. No sex differences were found on the OS. Differences in the two areas of occupational attitudes suggested two processes of learning sex roles. Social learning more readily accounts for the early stereotyped answers on the PA. Cognitive developmental theory is congruent with the OS scores of the nursery school children.  相似文献   
256.
Data were obtained on the effectiveness of three forms of counterconditioning—each differing in the degree to which competing responses were introduced. Counterconditioning was also compared with an extinction procedure in eliminating an instrumental avoidance response. Only the counterconditioning procedure which evoked and reinforced another conditioned response during extinction of the avoidance response, was significantly more effective than a traditional extinction procedure in achieving a decrement in avoidance responding and this was only on the first session on which such procedures were in effect. When the opportunity to perform the competing response was removed, only Ss in this group evidenced a significant increase in avoidance responding.

All procedures were equally effective over sessions in eliminating avoidance behavior. A delay in effectiveness occurred to the degree to which a procedure introduced a competing response. It was in terms of the immediacy of response reduction and achievement of a very low rate of responding with very few responses being performed, that the counterconditioning procedure was superior to the extinction procedure.

The implication of these results for behavior theory and therapy were elaborated.  相似文献   

257.
Further experiments on probability-matching in the pigeon   总被引:2,自引:1,他引:1       下载免费PDF全文
In a discrete-trials, two-key choice situation, probability-learning by pigeons was studied under a variety of training conditions. Matching was found in simultaneous and in successive problems, but a spatial problem produced only maximizing. In the simultaneous problem, noncorrection produced maximizing, while correction produced matching. Guidance produced maximizing when the animals were required to earn each opportunity for choice by pecking a center key on FR-5, but matching when the center key was not used. In a discrete-trials one-key situation, with latency as the measure, frequency and probability of reinforcement were varied independently. Differences in probability produced differences in latency of response, but differences in frequency did not.  相似文献   
258.
Identification of reinforcers for individuals with developmental disabilities is often based on the outcome of preference assessments in which participants make selections from among a variety of items. We determined the extent to which individuals might show a general preference for food items over leisure items during such assessments and whether leisure items that are “displaced” by food items might nevertheless function as reinforcers. Arrays consisting of food items only and then nonfood items only were presented separately to 14 participants and then were ranked to determine preference. The top selections from these initial assessments were subsequently combined in a third assessment, and preferences were again established. All but 2 participants showed a general preference for food items, such that selection of nonfood items in the combined arrays was displaced downward relative to selection of nonfoods in the nonfood-only arrays. Two of the participants were exposed to a condition in which a nonfood item was delivered contingent on the occurrence of an adaptive response, and increased rates of responding by both individuals were observed. Results are discussed in terms of limitations posed by using only food items as reinforcers and the resulting need to take precautionary measures when attempting to identify nonfood reinforcers.  相似文献   
259.
260.
Sixteen right handers were given four tests of a dichotic listening recall task (concrete words) and a visual half-field recall task (letters). There was a significant right ear and right visual half-field superiority for the four test sessions, with improvement in recall scores over sessions. Pearson correlations for each ear on the four dichotic tests ranged from .74 to .90. Correlations on the visual half-field scores, however, were significant only after the first session. Analysis of stability in lateral preferences across modalities revealed stable and reliable performance, particularly in the last two testings, where 81.3% of the subjects had a right-sided asymmetry. Cross-modal correlations, however, were not significant. Implications regarding predictions of speech laterality are discussed in the light of these findings.  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号