全文获取类型
收费全文 | 13452篇 |
免费 | 408篇 |
国内免费 | 2篇 |
专业分类
管理学 | 1938篇 |
民族学 | 85篇 |
人才学 | 4篇 |
人口学 | 1204篇 |
丛书文集 | 96篇 |
理论方法论 | 1363篇 |
综合类 | 256篇 |
社会学 | 6947篇 |
统计学 | 1969篇 |
出版年
2023年 | 67篇 |
2021年 | 79篇 |
2020年 | 221篇 |
2019年 | 324篇 |
2018年 | 345篇 |
2017年 | 492篇 |
2016年 | 373篇 |
2015年 | 278篇 |
2014年 | 340篇 |
2013年 | 2159篇 |
2012年 | 471篇 |
2011年 | 439篇 |
2010年 | 341篇 |
2009年 | 352篇 |
2008年 | 335篇 |
2007年 | 362篇 |
2006年 | 336篇 |
2005年 | 356篇 |
2004年 | 338篇 |
2003年 | 260篇 |
2002年 | 293篇 |
2001年 | 350篇 |
2000年 | 297篇 |
1999年 | 257篇 |
1998年 | 202篇 |
1997年 | 189篇 |
1996年 | 198篇 |
1995年 | 178篇 |
1994年 | 178篇 |
1993年 | 192篇 |
1992年 | 186篇 |
1991年 | 181篇 |
1990年 | 176篇 |
1989年 | 168篇 |
1988年 | 154篇 |
1987年 | 169篇 |
1986年 | 136篇 |
1985年 | 167篇 |
1984年 | 185篇 |
1983年 | 162篇 |
1982年 | 148篇 |
1981年 | 108篇 |
1980年 | 130篇 |
1979年 | 132篇 |
1978年 | 113篇 |
1977年 | 105篇 |
1976年 | 96篇 |
1975年 | 116篇 |
1974年 | 111篇 |
1973年 | 78篇 |
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
11.
Archila Bustos Maria Francisca Hall Ola Niedomysl Thomas Ernstson Ulf 《Population and environment》2020,42(2):255-277
Population and Environment - Human activity is a major driver of change and has contributed to many of the challenges we face today. Detailed information about human population distribution is... 相似文献
12.
Journal of Population Research - This paper details efforts to link administrative records from the Internal Revenue Service (IRS) to American Community Survey (ACS) and 2010 Census microdata for... 相似文献
13.
Thomas K. Kenemore 《Child and Adolescent Social Work Journal》2002,19(4):269-270
14.
Susan D. Calkins Susan E. Dedmon Kathryn L. Gill Laura E. Lomax Laura M. Johnson 《Infancy》2002,3(2):175-197
A study sample of 162 six‐month‐old children was selected from a larger sample of 346 infants on the basis of parents' report of their infants' temperament and a laboratory assessment of temperament. Infants were classified as easily frustrated and less easily frustrated and compared on a number of emotion regulation, physiology, and temperament measures. Results indicated that male and female infants were equally likely to be classified as frustrated and less easily frustrated; however, male infants were less able to regulate physiologically. Easily frustrated infants used different emotion regulation strategies and were observed to be less attentive and more active than less easily frustrated infants when observed in the laboratory. These infants were also characterized by their parents as more active, less attentive, and more distressed to novelty. Infants classified as easily frustrated were more reactive physiologically and less able to regulate physiological reactivity than their less easily frustrated counterparts. It is hypothesized that this cluster of characteristics may constitute a unique temperamental type that may have implications for other types of behavioral functioning. Limitations of the study are that observations are based on a single brief assessment of the infant, modest effect sizes were found, and the study is cross‐sectional. 相似文献
15.
Acculturative stress in the adjustment of immigrant families 总被引:1,自引:0,他引:1
Tania N. Thomas 《Journal of Social Distress and the Homeless》1995,4(2):131-142
This study reviews the issue of acculturative stress in immigrant families. Acculturative stress includes behaviors experienced by immigrants that are a direct consequence of the process of acculturation and adaptation to a new society. A number of stressors impacting on the acculturation of immigrant families is discussed. These stressors include lack of English language skills, employment and economic status, educational background, family life, and sociopolitical and immigration status. 相似文献
16.
17.
This study tests a hypothesis that Mexican foreign‐born immigrants who came to the United States for economic reasons naturalize less often than Cubans who immigrate for political reasons. It uses information from the Panel Study of Income Dynamics, Latino Sample, a national sample of 7,453 respondents from the 1989 Latino National Political Survey (LNPS) and the 1990 Panel Study of Income Dynamics (PSID). Ordinal logistic regression is used to examine the hypothesis. The results indicate that while more Mexicans plan to apply or have applied for naturalization, proportionately more Cubans than Mexicans have naturalized. Cuban political immigrants who came to the United States during the first half of the 1960s naturalize more often than their Mexican counterparts. However, the effect of ethnic identity on naturalization is mediated by a number of other predictors of naturalization such as gender, race, urban residence, socioeconomic status and acculturation. 相似文献
18.
Sandra G. Turner Carol P. Kaplan Luis Zayas Ruth E. Ross 《Child and Adolescent Social Work Journal》2002,19(5):357-374
Epidemiological data show high rates of suicide attempts among adolescent Latinas. Few studies have addressed the psychosocial, cultural and family correlates of suicide attempts among this age group of a rapidly growing population. The authors studied 31 adolescent Hispanic females who were receiving mental health services; 14 girls had attempted suicide in the previous five years and 17 had never attempted suicide. The two groups of girls did not differ significantly with respect to demographic profiles, levels of depression, family type, acculturation, or self-esteem. However, as hypothesized, the mutuality between girls and their mothers was lower among suicide attempters. Maladaptive coping skills of withdrawal and wishful thinking were more commonly used by attempters, and non-attempters used emotional regulation and problem-solving more frequently. Findings are discussed within the context of the empirical and theoretical literature and implications for practice are considered. 相似文献
19.
20.
Brent A. McBride Sarah J. Schoppe Thomas R. Rane 《Journal of marriage and the family》2002,64(4):998-1011
This study examined variations in the relationships among child characteristics, parenting stress, and parental involvement. Participants were 100 two‐parent families with preschool‐aged children. Self‐report and interview data were collected to measure parental involvement, as well as perceptions of child temperament and parental stress. Analyses revealed significant, yet somewhat different, associations between child temperament and parental stress for mothers and fathers. More significant associations were found between perceptions of child temperament and involvement for fathers than for mothers. The associations between child temperament and parental stress and involvement differed on the basis of child and parent gender. Results are discussed in terms of future research on father involvement, as well as programs designed to encourage fathers to assume more active parental roles. 相似文献