全文获取类型
收费全文 | 1949篇 |
免费 | 68篇 |
专业分类
2017篇 |
出版年
2020年 | 29篇 |
2018年 | 27篇 |
2017年 | 35篇 |
2016年 | 35篇 |
2015年 | 37篇 |
2014年 | 42篇 |
2013年 | 200篇 |
2012年 | 75篇 |
2011年 | 60篇 |
2010年 | 33篇 |
2009年 | 31篇 |
2008年 | 64篇 |
2007年 | 63篇 |
2006年 | 57篇 |
2005年 | 53篇 |
2004年 | 50篇 |
2003年 | 53篇 |
2002年 | 67篇 |
2001年 | 33篇 |
2000年 | 26篇 |
1999年 | 29篇 |
1998年 | 29篇 |
1997年 | 35篇 |
1996年 | 39篇 |
1995年 | 37篇 |
1994年 | 33篇 |
1993年 | 23篇 |
1992年 | 27篇 |
1991年 | 27篇 |
1990年 | 31篇 |
1989年 | 27篇 |
1988年 | 20篇 |
1987年 | 26篇 |
1986年 | 20篇 |
1985年 | 31篇 |
1984年 | 34篇 |
1983年 | 32篇 |
1982年 | 37篇 |
1981年 | 27篇 |
1980年 | 36篇 |
1979年 | 32篇 |
1978年 | 28篇 |
1977年 | 39篇 |
1976年 | 40篇 |
1975年 | 22篇 |
1974年 | 41篇 |
1973年 | 27篇 |
1971年 | 12篇 |
1969年 | 18篇 |
1967年 | 14篇 |
排序方式: 共有2017条查询结果,搜索用时 0 毫秒
11.
James R. Stagray David Downs Ronald K. Sommers 《Journal of psycholinguistic research》1992,21(6):511-524
We measured subjective-tone identification thresholds evoked by acoustically filtered complex tones and compared them to Mandarin-Chinese tone-phoneme identification thresholds previously measured under the same filtering conditions. Tone phonemes were identified at intensities below subjective-tone identification thresholds, suggesting subjective tone is not necessary for tone-phoneme identification. Lower subjective-tone thresholds evoked by resolved harmonics rather than unresolved harmonics were consistent with pattern recognition theories of pitch perception.The authors thank Donald Gans and Richard Klich for all their help. 相似文献
12.
Ronald C. Winkler 《Journal of business and psychology》1992,7(2):137-149
The present study determined if it was possible to develop a selection procedure which would effectively select machine operator applicants. A concurrent validity study was conducted on 140 employees with a job simulation as the criterion. The results indicated a correlation with the criterion of .71, and the Lawshe (1983) test of fairness revealed no significant bias for minority or female applicants. The utility analysis indicated a 16% increase in output would occur with the use of the validated selection system. 相似文献
13.
Gail F. Brenner Nancy K. Norvell Marian Limacher 《American journal of community psychology》1989,17(6):831-836
Assessed the number of sources of supportive and problematic social interactions in the total social network as well as the number who were the sources of consistently supportive or problematic interactions in a sample of 2nd year medical students. Number of problematic interaction sources was hypothesized to be more predictive of psychological and physical well-being than number of supportive interaction sources. Results showed that total supportive and total problematic interaction sources were equally predictive of life satisfaction. The presence of at least one individual who is a consistent source of problematic interactions was most predictive of lower life satisfaction. Results indicate the importance of studying both supportive and problematic social interactions. They also suggest that interactions with individuals that are consistently problematic may negatively impact upon well-being. 相似文献
14.
The relationship between interpersonal behaviour variables has been shown to be defined by a circular ordering, or circumplex, within the framework of a two-dimensional space. It is proposed that Cleckley's criteria of psychopathy represent one axis of this system, hostility vs warmth. It is also proposed that these criteria alone are not sufficient to identify a homogeneous group of deviant persons. Observer ratings of the behaviour of institutionalized mentally-disordered offenders were obtained for Cleckley's criteria and for behavioural dimensions of impulsive aggression and sociability. Cleckley's criteria were found to describe a unitary dimension whose relationship to other variables was consistent with the circumplex model. Cluster analysis of the ratings identified two distinct groups of high scorers on Cleckey's criteria, who were also significantly differentiated by self-report personality variables. Only one of these groups showed the combination of lack of warmth or affection and lack of behavioural control which several investigators consider necessary to define psychopathy. Relationships among individual rating items and some of the personality variables closely approximated the expected circular ordering. Reference to this interpersonal circumplex appears to reconcile some of the differences in current conceptualizations of psychopathic personality. 相似文献
15.
While many studies have attempted to produce hypertension through the use of various environmental Stressors, few have succeeded in producing chronic elevations in blood pressure beyond levels considered to be borderline hypertensive (140–160 mm Hg systolic). The problem with most studies stems from the use of genetically normotensive animals and the selection of Stressors to which animals readily adapt. A new approach is suggested, which recognizes the role of genetics in human essential hypertension. Animals with one hypertensive parent do not develop spontaneous hypertension but show a more sensitive cardiovascular response to environmental Stressors than animals with normotensive parents. Preliminary studies revealed that animals with a mixed genetic history of hypertension develop spontaneous borderline hypertension. When subjected to shock-shock conflict, these borderline hypertensive rats (BHR) developed permanent hypertension that failed to abate even after a ten-week, shock-free recovery period. The hypertension was accompanied by elevated heart weight to body weight ratios and by significant cardiac pathology. Subsequent work has demonstrated that these animals also become hypertensive when fed a high-sodium diet. Finally, in a series of exercise studies, we found that BHRs subjected to a shock stressor were protected against stress-induced hypertension if they exercised daily. The potential of this model for studies of the mechanisms by which environmental variables produce permanent hypertension is discussed. 相似文献
16.
It is argued that knowing-how (to perform) is not dependent on knowing that (knowing propositions about performance). Existing evidence allows any benefits from metacognitive training to be attributed to generalization training, not to the announcement of rules. Rules may encourage the subject to learn new tasks, but these tasks must be learned in the contexts of eventual application. 相似文献
17.
Ronald N. Bond Joan Welkowitz Harlene Goldschmidt Sarah Wattenberg 《Journal of psycholinguistic research》1987,16(4):335-350
Previous research has demonstrated that changes in vocal frequency (pitch) influence judgments made about a speaker, although there is some question as to the relative importance of frequency to message content in person perception. Moreover, these studies have failed to examine the possible joint effect of frequency and individual differences in nonverbal sensitivity on person perception. The purpose of the present investigation was to examine the independent and joint effects of vocal frequency, perceptual salience, and nonverbal sensitivity (assessed by the Profile of Nonverbal Sensitivity) on person perception. Participants were assigned to one of nine experimental conditions and were asked to rate two male and two female speakers on seven unipolar adjective scales. The nine conditions were produced by factorially combining three levels each of salience (content, voice, control) and vocal frequency (decreased, increased, unmanipulated). The results of hierarchical multiple regression analyses indicated that variations in frequency did influence evaluative judgments of the speakers (competent, honest, persuasive), but that the magnitude of the influence varied as a function of the participants' levels of nonverbal sensitivity. The analyses, however, yielded no significant effects for participants' affective judgments, nor any significant effects involving perceptual salience. 相似文献
18.
19.
Ronald L. Numbers 《Zygon》1987,22(2):133-164
Abstract. As the crusade to outlaw the teaching of evolution changed to a battle for equal time for creationism, the ideological defenses of that doctrine also shifted from primarily biblical to more scientific grounds. This essay describes the historical development of "scientific creationism" from a variety of late–nineteenth– and early–twentieth–century creationist reactions to Charles Darwin's theory of evolution, through the Scopes trial and the 1960s revival of creationism, to the current spread of strict creationism around the world. 相似文献
20.
Michael T. Nietzel Ronald C. Dillehay Melissa J. Himelein 《Behavioral sciences & the law》1987,5(4):467-477
With a sample of 18 capital cases tried in Kentucky, South Carolina, and California, we attempted to replicate an earlier study which showed that significantly more defense challenges for cause were granted under conditions of sequestered, individual voir dire than when voir dire was conducted under less enhanced conditions. In the current sample, sequestered, individual voir dire again resulted in more defense removals for cause than obtained with less extensive voir dire. We present data on the defense removals for cause partitioned into five categories according to the reason for the challenge and analyze the effects of jury selection consultants on the various indices of voir dire as well as final sentence. 相似文献