全文获取类型
收费全文 | 4442篇 |
免费 | 162篇 |
国内免费 | 2篇 |
专业分类
4606篇 |
出版年
2022年 | 31篇 |
2021年 | 46篇 |
2020年 | 69篇 |
2019年 | 92篇 |
2018年 | 120篇 |
2017年 | 140篇 |
2016年 | 128篇 |
2015年 | 99篇 |
2014年 | 142篇 |
2013年 | 553篇 |
2012年 | 223篇 |
2011年 | 230篇 |
2010年 | 119篇 |
2009年 | 131篇 |
2008年 | 166篇 |
2007年 | 197篇 |
2006年 | 172篇 |
2005年 | 129篇 |
2004年 | 147篇 |
2003年 | 137篇 |
2002年 | 104篇 |
2001年 | 67篇 |
2000年 | 61篇 |
1999年 | 72篇 |
1998年 | 59篇 |
1997年 | 49篇 |
1996年 | 37篇 |
1995年 | 39篇 |
1994年 | 44篇 |
1993年 | 50篇 |
1992年 | 43篇 |
1991年 | 31篇 |
1990年 | 43篇 |
1989年 | 27篇 |
1988年 | 38篇 |
1987年 | 30篇 |
1986年 | 42篇 |
1985年 | 45篇 |
1984年 | 48篇 |
1983年 | 44篇 |
1982年 | 37篇 |
1981年 | 37篇 |
1980年 | 42篇 |
1979年 | 39篇 |
1978年 | 40篇 |
1977年 | 28篇 |
1976年 | 40篇 |
1975年 | 41篇 |
1974年 | 40篇 |
1973年 | 31篇 |
排序方式: 共有4606条查询结果,搜索用时 15 毫秒
971.
Differential sensitivity was measured before and after smoking a cigarette by 10 smokers, using 10 nonsmokers as controls. Stimuli consisted of reagent grade ethanol in eight concentrations ranging from 4% to 12%. No significant differences were observed between smokers and nonsmokers or before vs after smoking, although slightly higher overall correct responses and correspondingly smaller jnds were obtained for the nonsmokers. No practice affects were noted among the control group between the first and second set of samples. The findings confirm previous results which had been recently questioned. 相似文献
972.
Martin J. Steinbach 《Attention, perception & psychophysics》1970,7(5):287-288
Observations were made of the reversal rate of a three-dimensional skeletal cube as a function of observing condition and state of rest or motion of the cube. Perspective reversal rate of the stationary three-dimensional cube is greater than direction reversal rate of the same cube set in motion. Reversal rate of the rotating cube drops with rest, replicating a similar finding with the Necker cube. Comparisons are made with the rotating trapezoidal window illusion. nt]mis|The author is most grateful to Marshall P. Smith, Chairman of the Psychology Department of Trenton State College, for his aid in securing space and college students, and to David L. Hoats, of the Johnstone Research Department, for wiring the apparatus. 相似文献
973.
This study examined the interrelationships among role conflict, gender role orientation, and female sport participation. One hundred six female high school athletes and nonathletes were administered the Personal Attributes Questionnaire and a role conflict inventory. Multivariate analyses revealed that athletes experienced significantly higher levels of role conflict than nonathletes, but a nonsignificant relationship was found between role conflict and gender role orientation. Role conflict was also unrelated to type of sport, although team athletes high in feminine orientation perceived higher role conflict than low feminine oriented athletes. Overall, levels of perceived and experienced role conflict were low. In sum, role conflict does not appear a major concern for adolescent female athletes nor was gender role orientation a factor related to conflict between the roles of female and athlete. 相似文献
974.
DOMINANCE AND INEQUALITY IN X-RATED VIDEOCASSETTES 总被引:2,自引:0,他引:2
Gloria Cowan Carole Lee Daniella Levy Debra Snyder 《Psychology of women quarterly》1988,12(3):299-311
Feminists have been concerned about the debasement of women in sexually explicit material. The purpose of this study was to determine the extent of domination and sexual inequality in x-rated videocassettes through a content analysis of 45 widely available x-rated videocassettes. The sample was randomly drawn from a list of 121 adult movie titles widely available in family videocassette rental stores in southern California. Over half of the explicitly sexual scenes were coded as predominantly concerned with domination or exploitation. Most of the domination and exploitation was directed by men toward women. Specific indicators of domination and sexual inequality, including physical violence, occurred frequently. The growth of the videocassette rental industry and the popularity of x-rated films, coupled with the messages these films convey, is a cause for concern. 相似文献
975.
The relationship between headaches and mood 总被引:1,自引:0,他引:1
976.
The effects of spatial frequency and temporal transition of sine-wave grating onset and offset were assessed using measures of reaction time, visual persistence, and temporal order judgements. The stimuli were lateralized fields, separated by 1 degree of visual angle. Slow temporal transition resulted in significantly poorer performance than did abrupt onset and offset, but spatial frequency had a minimal effect. Thus, the latency, temporal resolution, and temporal ordering of events are mediated by a mechanism that is sensitive to abrupt temporal transients. The stimulus conditions employed did not result in a shift in the point of subjective simultaneity. 相似文献
977.
The ability to perceive nonverbal facial cues was tested in 30 White, middle-class females. Pre- and post-menses responses of 15 subjects diagnosed as having Premenstrual Tension Syndrome (PMS) were compared to the responses of age-matched controls. Each subject was asked to interpret videotaped facial cues of individuals engaged in a gambling task. Interpretive ability fluctuated during the menstrual cycle and was significantly impaired during the premenstrual phase. 相似文献
978.
Ninety mothers were interviewed in a pediatrician’s waiting room about their reasons for seeking care. We compared their answers,
and the pediatrician’s judgment of the visit’s necessity and timeliness to a model which distinguishes appraisal, illness,
and utilization stages in seeking medical treatment. Clearly defined symptoms and the use of few home treatments predicted
a more rapid assessment that one’s child was ill. No factors predicted how quickly a mother would decide that her child needed
professional care, nor how rapidly she would then seek that care. The pediatrician judged visits to be necessary when the
child had many physical symptoms, pain, and/or fever, and when the child’s mother was employed. He judged visits to be delayed
for mothers who reported that cost of treatment may influence their decisions to seek care. He indicated that only 39% of
the visits were both necessary and on time. We discuss ways to encourage appropriate utilization of pediatric visits. 相似文献
979.
R. M. Foxx Martin J. McMorrow Gerald D. Faw Martha S. Kyle Ron G. Bittle 《Behavioral Interventions》1987,2(2):103-115
This study assessed the applicability of Cues-Pause-Point language training procedures in teaching students to obtain information from the statements of others. Two mentally retarded subjects, one of whom was echolalic, received training on one set of stimuli but not on another. During training the subjects were encouraged to remain quiet before, during, and briefly after the presentation of statements and then verbalize (i.e., answer a question) using the verbal cue(s) that had been presented in the statement. Correct responding reached 100% to the trained stimuli and both subjects' responding improved to the untrained stimuli. Posttests revealed that subjects used the trainer's statements to answer novel questions. The results suggest that Cues-Pause-Point procedures may be useful in teaching severely retarded individuals the functional use of observing and listening to others' verbal behavior. 相似文献
980.
John E. Martin Frank L. Collins Jr. J. Bruce Hillenberg Miriam A. Zabin Alan D. Katell 《Journal of psychopathology and behavioral assessment》1981,3(3):193-198
A simple, low-cost, and reliable technology for assessing compliance with relaxation practice in the natural environment is presented. Brief, audible cue tones are overdubbed onto selected client relaxation tapes, which are ordered by the therapist and then played in sequence by the client. The presence/absence or number of cue tones on each tape in the sequence is self-monitored, thereby providing the therapist with a record for objectively assessing whether or not the tapes were used as instructed. A clinical case example is presented to illustrate use of the procedure. Finally, advantages and limitations of the procedure are discussed.A portion of this paper (clinical case study) was presented at the meeting of the Association for Advancement of Behavior Therapy, November 1980, New York. This research was partly supported by the Medical Research Service of the Veterans Administration. The authors wish to express their appreciation to Leonard H. Epstein for his support and stimulation in the early development of this and related projects. 相似文献