收费全文 | 8539篇 |
免费 | 294篇 |
国内免费 | 4篇 |
2020年 | 78篇 |
2019年 | 104篇 |
2018年 | 181篇 |
2017年 | 165篇 |
2016年 | 192篇 |
2015年 | 119篇 |
2014年 | 158篇 |
2013年 | 761篇 |
2012年 | 305篇 |
2011年 | 298篇 |
2010年 | 168篇 |
2009年 | 173篇 |
2008年 | 265篇 |
2007年 | 261篇 |
2006年 | 235篇 |
2005年 | 210篇 |
2004年 | 219篇 |
2003年 | 192篇 |
2002年 | 178篇 |
2001年 | 270篇 |
2000年 | 252篇 |
1999年 | 178篇 |
1998年 | 89篇 |
1997年 | 86篇 |
1996年 | 92篇 |
1995年 | 82篇 |
1993年 | 83篇 |
1992年 | 149篇 |
1991年 | 147篇 |
1990年 | 147篇 |
1989年 | 117篇 |
1988年 | 118篇 |
1987年 | 113篇 |
1986年 | 121篇 |
1985年 | 126篇 |
1984年 | 116篇 |
1983年 | 96篇 |
1979年 | 115篇 |
1978年 | 82篇 |
1977年 | 78篇 |
1975年 | 75篇 |
1974年 | 109篇 |
1973年 | 108篇 |
1972年 | 85篇 |
1971年 | 79篇 |
1970年 | 91篇 |
1969年 | 82篇 |
1968年 | 117篇 |
1967年 | 89篇 |
1966年 | 96篇 |
The study of the bifactor structure of psychopathology, which includes a general factor of psychopathology (or p factor) in addition to the internalizing and externalizing factors, has gained attention. However, its associations with the Five-Factor Model (FFM) of personality has been addressed in few studies, and none has examined different plausible etiological models (i.e., continuity, pathoplasty, complication) to explain its relationship, which is the aim of the present research. Additionally, the longitudinal association of the General Factor of Personality (GFP) and the p factor will be also explored. Personality and psychopathological symptoms of high school students were assessed at three time points (once a year) (n?=?655; M?=?13.79, SD?=?1.24; 49.8% girls). Confirmatory Factor Analysis (and measurement invariance across waves) were tested for the traits, the GFP and the bifactor model of psychopathology. While the bifactor model and the one-factor solution for each personality trait displayed good fit to the data and remained invariant over time, the structure of the GFP was adequate and invariant in two of the three waves. The resulting factors were included in cross-lagged panel models and showed that the FFM traits and the psychopathology factors influenced each other reciprocally. Most associations fell in line with the continuity model, but minor pathoplastic and complication effects were also reported. Similar associations were found between the GFP and the p factor. These results suggest that interventions in riskier personality profiles might prevent the development of general and more specific psychopathology spectra.
相似文献A variety of collective phenomena are understood to exist to the extent that workers agree on their perceptions of the phenomena, such as perceptions of their organization’s climate or perceptions of their team’s mental model. Researchers conducting group-level studies of such phenomena measure individuals’ perceptions via surveys and then aggregate data to the group level if the mean within-group agreement for a sample of groups is sufficiently high. Despite this widespread practice, we know little about the factors potentially affecting mean within-group agreement. Here, focusing on work climate, we report an investigation of a number of expected contextual (social interaction) and methodological predictors of mean rWG, a common statistic for judging within-group agreement in applied psychology and management research. We used the novel approach of meta-CART, which allowed us to assess the relative importance and possible interactions of the predictor variables. Notably, mean rWG values are driven by both contextual (average number of individuals per group and cultural individualism-collectivism) and methodological factors (the number of items in a scale and scale reliability). Our findings are largely consistent with expectations concerning how social interaction affects within-group agreement and psychometric arguments regarding why adding more items to a scale will not necessarily increase the magnitude of an index based on a Spearman-Brown “stepped-up correction.” We discuss the key insights from our results, which are relevant to the study of multilevel phenomena relying on the aggregation of individual-level data and informative for how meta-analytic researchers can simultaneously examine multiple moderator variables.
相似文献