全文获取类型
收费全文 | 29515篇 |
免费 | 2081篇 |
国内免费 | 44篇 |
专业分类
31640篇 |
出版年
2020年 | 302篇 |
2019年 | 382篇 |
2018年 | 527篇 |
2017年 | 603篇 |
2016年 | 620篇 |
2015年 | 469篇 |
2014年 | 530篇 |
2013年 | 2526篇 |
2012年 | 913篇 |
2011年 | 982篇 |
2010年 | 656篇 |
2009年 | 713篇 |
2008年 | 797篇 |
2007年 | 886篇 |
2006年 | 719篇 |
2005年 | 716篇 |
2004年 | 705篇 |
2003年 | 667篇 |
2002年 | 680篇 |
2001年 | 945篇 |
2000年 | 855篇 |
1999年 | 713篇 |
1998年 | 374篇 |
1997年 | 318篇 |
1996年 | 388篇 |
1995年 | 338篇 |
1994年 | 323篇 |
1993年 | 298篇 |
1992年 | 595篇 |
1991年 | 582篇 |
1990年 | 534篇 |
1989年 | 509篇 |
1988年 | 509篇 |
1987年 | 454篇 |
1986年 | 465篇 |
1985年 | 474篇 |
1984年 | 390篇 |
1983年 | 329篇 |
1982年 | 308篇 |
1979年 | 418篇 |
1978年 | 302篇 |
1975年 | 335篇 |
1974年 | 404篇 |
1973年 | 436篇 |
1972年 | 361篇 |
1971年 | 340篇 |
1970年 | 318篇 |
1968年 | 415篇 |
1967年 | 343篇 |
1966年 | 338篇 |
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
941.
Four empirical studies of the roles of self-report questionnaires, tests, and ratings in employment interviews, staff appraisal,
and personnel validation surveys are presented in order to examine the number and relationships of psychological constructs
derived from data provided by candidates, employees, and their assessors. Test results are related to different kinds of criteria,
including job offers following interview, supervisor ratings on the job, and objective indices of work performance. From the
practices reported and observed in these various contexts, a theory of personal appraisal mechanisms in occupational settings
is derived using data reduction and linear regression methods. Applications of cognitive information processing theory to
self-reports and ratings by individuals, and of exchange theory to the social context of panel discussions among assessors,
provide a key to understanding why psychometric measures of personal qualities vary in their power to predict work performance
in spite of consistent construct validity. 相似文献
942.
Previous research indicates that vasopressin-containing (LE) rats are capable of adapting to the stress of food restriction,
whereas vasopressin-deficient (DI) rats cannot adapt to this stressor. It has been postulated that abnormalities in glucose
metabolism may be one of the factors leading to the demise of food-restricted DI rats. The present study was conducted to
determine if taste preferences are altered in DI animals and if the presentation of exogenous glucose, in the form of sucrose
solutions, can ameliorate the effects of the stress of food restriction. Four different concentrations of sucrose solutions
were presented to LE and DI rats under the food-restricted condition. In both strains, an 8% sucrose solution was preferred
over 0%, 16%, and 32% concentrations, with DI rats consuming more of this concentration than LE rats. Thus, when DI rats had
the opportunity of maintaining glucose homeostasis by exogenous supplements, they maintained body weight, displayed no stomach
pathology, and survived. 相似文献
943.
In contrast to previous research on apologies, which has examined their role in enhancing impressions of those issuing them
(e.g., Darby and Schlenker, 1989), the research reported here draws upon Goffman’s (1955) analysis of the “corrective cycle”
and is concerned with constraints associated with the receipt of apologies. Study 1 examines the implications for the actor
of accepting, not accepting, or rejecting apologies. It is demonstrated that across a variety of judgments, most positive
views of the actor result when apologies are accepted; least positive views are associated with their rejection. A follow-up
study sought to establish whether this effect would occur under circumstances in which unconvincing apologies are rejected.
Results indicate that the apology’s status (convincing versus unconvincing) has no bearing on perceptions of actors. Based
on a hypothetical role-play format, Study 2 addresses the matter of whether actors experience a subjective sense of constraint
upon receipt of unsatisfactory apologies. The data suggest that there exists a pronounced tendency to accept such apologies,
though typically with conditions that would be specified to the offender. More general implications of the data are discussed. 相似文献
944.
This study presents two experiments that demonstrate that the memory trace of a tobe-remembered item develops along a dimension
(continuum) from coarse/general to fine/specific. Similarly, forgetting is shown to be a reverse movement along this dimension
from fine to coarse, as increasingly less fine attributes are lost. The attribute acquisition pattern of this Progressively
Finer Attributes Theory is robust and predictable, valid for experimentally unstructured (Experiment 2) as well as experimentally
structured (Experiment 1) material. 相似文献
945.
Compliance with postpartum visits after teenage births in the US was examined among 289 Hispanic teenagers, of whom 127 were born in Mexico or border towns, who delivered at Harris County Hospital District and scheduled postpartum appointments at the Teen Health Clinic. The mean age was 17.31 years for mothers and 21.95 years for fathers. 56.7% (164) were married. 49.8% lived with husbands, 25.8% with parents, 22.3% with friends/relatives, and 2.1% alone. 74.7% stated that they had no social supports. 88.9% had a term delivery, 8.3% a preterm delivery, and 2.8% a fetal loss. 67.5% were first births, 5.5% had a previous abortion, and 3.1% had a previous miscarriage. 23.2% had a previous child, and 0.7% had a previous preterm delivery. Some form of prenatal care was received by 85.1%. 34.3% reported no further educational plans. 17.3% (50) returned for a scheduled postpartum visit. Mothers with a prior history of a premature birth or miscarriage were more likely to return postpartum compared to mothers with a first or prior birth. The differences are marginally significant. None of the mothers with a prior abortion returned. 34.9% of the returning teen mothers were more likely to have had prenatal care. Returning mothers also were a larger percentage of those with no future educational plans. 13.4% of returning mothers had an available social support system. Country of origin was not associated with support systems, prenatal care, return status, educational plans, pregnancy history, or current birth outcome. Out of the 50 returning, 20 were Mexican-born and married. Only Mexican marital status was found to be a significant variable explaining differences. Marital status had no effect on the 26 US native-born returnees. 92% of the Mexican-born teens were married and had a support system. The most dramatic feature of this study is the high level of noncompliance among both US-born and Mexican-born adolescents. There were few distinguishing features between these two groups. Return status was affected by very few features and was achieved by a very small percentage of the study population. The suggestion is made that poverty, a lack of health insurance, and poor knowledge of English, as representative of cultural dissimilarity, may be responsible for poor use of preventive care. 相似文献
946.
Donald B. Pope-Davis Thomas M. Ottavi 《Journal of counseling and development : JCD》1994,72(3):293-297
The purpose of this investigation was to assess the influence of White racial identity attitudes on racism. A total of 234 White undergraduate students participated in this investigation. The students completed the White Racial Identity Attitude Scale (Helms & Carter, 1990) and the New Racism Scale (Jacobson, 1985). Consistent with findings in previous research, White racial identity attitudes were predictive of racism. We also found gender and age differences in White racial identity attitudes. Implications of these findings are discussed in terms of the role of counselors in addressing racial awareness on college campuses. 相似文献
947.
Kevin J. Miller Barbara S. McCrady David B. Abrams Erich W. Labouvie 《Journal of psychopathology and behavioral assessment》1994,16(2):111-120
The present study reports on a clinical instrument designed for assessing self-efficacy in alcoholics. In contrast to studies that construct general measures, it was proposed that taking an individualized approach to assessment might offer an effective methodology. Thirty-four alcoholics in an outpatient, behaviorally oriented treatment program participated as subjects. During therapy, an Individualized Self-Efficacy Survey (ISS) was developed for each subject. The ISS was developed by (a) administering the Drinking Patterns Questionnaire (DPQ) to identify important problem areas (e.g., work, children, marital) and specific drinking antecedents and (b) constructing a 15-item scale using each drinker's most important cues. The utility of having clients choose their own items was supported by finding a significant relationship between problem areas identified as important on the DPQ and the areas reported as surrounding relapse. ISS ratings were reflective of efficacy changes during treatment, while posttreatment ISS scores were predictive of subsequent relapse. Situation-specific prediction of relapse was not found. The advantages of this methodology for clinical use are discussed, while general directions for future research are suggested. 相似文献
948.
SPEECH PERCEPTION AS A TALKER-CONTINGENT PROCESS 总被引:2,自引:0,他引:2
Abstract— To determine how familiarity with a talker's voice affects perception of spoken words, we trained two groups of subjects to recognize a set of voices over a 9-day period One group then identified novel words produced by the same set of talkers at four signal-to-noise ratios Control subjects identified the same words produced by a different set of talkers The results showed that the ability to identify a talker's voice improved intelligibility of novel words produced by that talker The results suggest that speech perception may involve talker-contingent processes whereby perceptual learning of aspects of the vocal source facilitates the subsequent phonetic analysis of the acoustic signal 相似文献
949.
The adolescent substance abuser, like adult addicts, is most commonly considered from the perspective of the disease model. The usefulness of the disease model in conceptualizing adolescent substance abuse is questioned, and an alternative view of the topic is set forth. Substance abuse, is regarded as an adaptive aspect of the ongoing interactive processes within the family. The developmental process of the adolescent substance abuser is seen as a functional dynamic in the family's preservation. Three characteristic elements of parental interaction common to the development of adolescent substance abuse are highlighted.An earlier version of this paper was presented at the Texas Association for Marriage and Family Therapy annual conference on January 28, 1993 in Houston Texas.a research associate and director of the Don D. Jackson Archive at the Mental Research Institute, Palo Alto, CA. Authors are listed alphabetically. 相似文献
950.