全文获取类型
收费全文 | 39475篇 |
免费 | 1594篇 |
国内免费 | 10篇 |
专业分类
41079篇 |
出版年
2020年 | 405篇 |
2019年 | 542篇 |
2018年 | 706篇 |
2017年 | 761篇 |
2016年 | 746篇 |
2015年 | 564篇 |
2014年 | 694篇 |
2013年 | 3223篇 |
2012年 | 1236篇 |
2011年 | 1317篇 |
2010年 | 771篇 |
2009年 | 800篇 |
2008年 | 1166篇 |
2007年 | 1152篇 |
2006年 | 1074篇 |
2005年 | 1005篇 |
2004年 | 962篇 |
2003年 | 876篇 |
2002年 | 901篇 |
2001年 | 1127篇 |
2000年 | 1027篇 |
1999年 | 826篇 |
1998年 | 504篇 |
1997年 | 392篇 |
1996年 | 393篇 |
1992年 | 619篇 |
1991年 | 619篇 |
1990年 | 587篇 |
1989年 | 599篇 |
1988年 | 585篇 |
1987年 | 548篇 |
1986年 | 569篇 |
1985年 | 641篇 |
1984年 | 517篇 |
1983年 | 507篇 |
1982年 | 411篇 |
1981年 | 399篇 |
1979年 | 562篇 |
1978年 | 444篇 |
1976年 | 423篇 |
1975年 | 491篇 |
1974年 | 543篇 |
1973年 | 551篇 |
1972年 | 443篇 |
1971年 | 410篇 |
1970年 | 405篇 |
1969年 | 424篇 |
1968年 | 514篇 |
1967年 | 459篇 |
1966年 | 452篇 |
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
91.
Speech nonfluency in response to questions about the marital relationship was used to assess anxiety. Subjects were 31 husbands and 31 wives, all white, college educated, from middle- to lower-middle-class families, and ranging from 20 to 30 years of age. Three types of nonfluencies were coded: filled pauses, unfilled pauses, and repetitions. Speech-disturbance ratios were computed by dividing the sum of speech nonfluencies by the total words spoken. The results support the notion that some issues within marriage are more sensitive and/or problematic than others, and that, in an interview situation, gender interacts with question content in the production of nonfluencies. 相似文献
92.
This study was designed to assess the accuracy of perceived levels of body fatness as indicated by 11- and 12-year-old children. Using a rating scale ranging from 1 (extremely lean) through 9 (extremely overweight), 50 males and 50 females estimated personal levels of body fatness. Using a 2 × 2 between-and-within-groups ANOVA, these estimates were compared to individual skinfold sum percentile scores derived from comparisons with national skinfold norms. The results revealed that the females tended to overestimate personal levels of body fatness, whereas estimates given by the male subjects were interpreted as not significantly different from skinfold sum percentile scores. 相似文献
93.
Although peers' and teachers' evaluations of children's prosocial behavior and peers' sociometric ratings frequently have been used in studies of social development, the validity of young children's ratings of others has been questioned, as has that for teachers' ratings of prosocial behavior. In this study, preschoolers' ratings of peers' sociometric status and prosocial behavior, as well as teachers' ratings of children's prosocial dispositions, were obtained. These were correlated with children's naturally occurring prosocial or social behavior; ratings of prosocial behavior also were correlated with children's prosocial moral reasoning and prosocial self-attributions. Peers' sociometric ratings were positively related to children's sociability whereas prosocial ratings were related to helping (but not sharing) behavior. Teachers' ratings of prosocial behavior were not related to frequency of prosocial behaviors, but were positively related to developmentally mature moral judgments and self-reported motives. 相似文献
94.
95.
Schinke SP Orlandi MA Botvin GJ Gilchrist LD Trimble JE Locklear VS 《Journal of counseling psychology》1988,35(1):87-90
Tobacco, alcohol, and drug use are problems for American-Indian people. We reviewed these problems and the explanations for them and described a bicultural competence skills approach for preventing substance abuse with American-Indian adolescents. Data from a study of that approach suggest its efficacy with American-Indian youth. At posttest and a 6-month follow-up, American-Indian subjects who received preventive intervention based on bicultural competence skills concepts improved more than did American-Indian subjects in a no-intervention control condition on measures of substance-use knowledge, attitudes, and interactive skills, and on self-reported rates of tobacco, alcohol, and drug use. Our findings have implications for future substance-abuse prevention research with American-Indian people. 相似文献
96.
The present study demonstrates the safety and effectiveness of an outpatient program designed to respond to adolescent-precipitated crises by mobilizing and restructuring the family's kinship system. Families of 75 adolescents at risk for hospitalization were followed up to 24 months after treatment with Systemic Crisis Intervention. Measures of offspring and family functioning, suicidal behavior, institutional use, and treatment costs are presented. Results clearly demonstrate the safety, effectiveness, and economic viability of Systemic Crisis Intervention. 相似文献
97.
98.
V E Whiffen 《Journal of abnormal psychology》1988,97(4):467-474
99.
100.