全文获取类型
收费全文 | 83538篇 |
免费 | 3373篇 |
国内免费 | 42篇 |
专业分类
86953篇 |
出版年
2020年 | 864篇 |
2019年 | 1068篇 |
2018年 | 1510篇 |
2017年 | 1507篇 |
2016年 | 1630篇 |
2015年 | 1141篇 |
2014年 | 1363篇 |
2013年 | 6672篇 |
2012年 | 2522篇 |
2011年 | 2637篇 |
2010年 | 1611篇 |
2009年 | 1588篇 |
2008年 | 2402篇 |
2007年 | 2381篇 |
2006年 | 2072篇 |
2005年 | 1927篇 |
2004年 | 1859篇 |
2003年 | 1692篇 |
2002年 | 1750篇 |
2001年 | 2680篇 |
2000年 | 2527篇 |
1999年 | 1940篇 |
1998年 | 981篇 |
1997年 | 860篇 |
1996年 | 799篇 |
1993年 | 779篇 |
1992年 | 1689篇 |
1991年 | 1562篇 |
1990年 | 1580篇 |
1989年 | 1391篇 |
1988年 | 1357篇 |
1987年 | 1331篇 |
1986年 | 1372篇 |
1985年 | 1474篇 |
1984年 | 1153篇 |
1983年 | 1035篇 |
1979年 | 1199篇 |
1978年 | 852篇 |
1977年 | 771篇 |
1976年 | 805篇 |
1975年 | 1073篇 |
1974年 | 1158篇 |
1973年 | 1195篇 |
1972年 | 1066篇 |
1971年 | 967篇 |
1970年 | 921篇 |
1969年 | 901篇 |
1968年 | 1176篇 |
1967年 | 1094篇 |
1966年 | 976篇 |
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
991.
An attempt to replicate and extend the successful results of Foxx and Brown's (1979) nicotine-fading, self-monitoring procedure for smoking abstinence or controlled smoking was undertaken using a combination of their procedure and cognitive-behavioural interventions. The latter consisted of: (1) a variation of Meichenbaum's (1977) self-instructional training and (2) a simple, direct manipulation of Bandura's (1977) concept of self-efficacy. Evidence was found to support Foxx and Brown's (1979) procedure with respect to reduced smoking rate and nicotine/tar intake. Combinations of treatments did not result in an enhancement of these effects. However, with respect to smoking abstinence, comparable results were only found in groups receiving specific training in self-efficacy. It was suggested that the variability of findings in this study as well as those in the literature subsequent and relating to Foxx and Brown's (1979) procedure might be accounted for using Bandura's (1977) self-efficacy concept. 相似文献
992.
Research is reviewed which suggests that hyperventilation syndrome is an underdiagnosed disorder for the presentation of many patients experiencing apparent anxiety states. In a test of this hypothesis, 21 normal individuals (9 female) underwent a 2 min period of intentional hyperventilation following a 10 min baseline phase. Hyperventilation was accompanied by increased subjective anxiety and tachycardia, and indications of peripheral vasoconstriction. Following hyperventilation, Ss experienced increased levels of state anxiety and perceived autonomic arousal, as indexed by self-report instruments. These results support the hypothesis that undiagnosed hyperventilatory phenomena may be etiologically implicated in states of pathologic anxiety. 相似文献
993.
A consecutive series of 30 school refusers received behavioural treatment (BTA). Their outcome is compared with that of 16 school refusers who were hospitalized and 20 who received psychotherapy and home tuition. The BTA group showed superior outcome compared to the other two groups. The Home-tuition group did very badly. There was no evidence of symptom substitution in the 28 cases treated successfully by behaviour therapy. 相似文献
994.
This paper addresses the controversy in family therapy over basic philosophical issues in terms of a historical opposition between demonstrative and dialectical metatheories. It argues that advances in family therapy are indicative of the growing prominence of dialectical forms of understanding in the social sciences. Several family therapy concepts are explored as representative of the dialectical categories of motion, form, relationship, and transformation. 相似文献
995.
996.
This study was a comparison of the effects of oral speech with total communication (speech plus sign language) training on the ability of mentally retarded children to repeat 4-word sentences. Three children were chosen who used single words to communicate but who did not combine words into complete sentences. Three sentence pairs were trained, with each pair having one sentence trained using oral methods and an equivalent one trained using the total communication approach. Both training procedures involved chaining sentence parts, reinforcement, and prompting. Oral methods involved presenting vocal stimuli and requiring vocal responses whereas total communication methods involved presenting vocal and signed stimuli and requiring vocal and signed responses. For the initial sentence pair with each child, an alternating treatments design was used to determine the relative efficacy of the two language training approaches. This was repeated with a second and third sentence pair using a multiprobe technique within a multiple baseline design. Results pointed to the superiority of the total communication approach in facilitating sentence repetition. Possible explanations of these results are offered and the utility of the alternating treatments experimental design is discussed. 相似文献
997.
Y. Haruki T. Shigehisa K. Nedate M. Wajima R. Ogawa 《International journal of psychology》1984,19(1-4):527-545
Effects of new types of reinforcement, alien type and alien combined with external type (double reinforcement), were examined in comparison with a conventional external one. One hundred and twenty children, 6th grade boys and girls, worked on learning discrimination tasks. Under alien reinforcement, upon correct responses of the child the experimenter received reinforcers from him-(or her-) self thus reinforcing the child responses. Under each condition, alien, external or double, children learned the tasks and their learning efficacy increased. Personality characteristics of children, in terms of extraversion and emotionality, differentiated effects of three reinforcement conditions on learning behavior and efficacy. The effect of alien reinforcement was influenced by the personality factors most, and that of double reinforcement least. In addition, personality factors influenced differently between alien and external conditions. Learning occurred differently under three different conditions of reinforcement, depending on the personality type of learners. Underlying mechanisms of alien reinforcement were different from, and its functions were independent of, those of external reinforcement. None of the effects of alien reinforcement on learning and motivation were contaminated by the intellectual faculties of learners. 相似文献
998.
999.
M.O.A. Durojaiye 《International journal of psychology》1984,19(1-4):135-144
Psychological testing for Education and Personnel selection is of great importance in the efforts by many African countries to ensure that suitable candidates are selected for education beyond the primary school level and for training for different employment. Major investigations directed to this need have been in the area of adapting tests already available in Western countries and determining the reliability and predictive validity of battery of tests so adapted and their tryout in African schools to determine their efficiency as tools for selection. 相似文献
1000.
We investigated the programming of generalization and maintenance of correspondence between verbal and nonverbal behavior in a preschool setting. Four children participated in a series of multiple-baseline designs. In Experiment 1, delayed reinforcement of verbal behavior effectively controlled maintenance of correspondence with previously trained responses and also resulted in generalization of correspondence to one untrained response. As the latter effect was limited, Experiment 2 was a further assessment of the effects of delayed reinforcement of generalization of correspondence to untrained responses, and consistent generalization was shown. Experiment 2 also showed that generalization, if lost, could be recovered through use of "booster training," in which the original contingencies were reinstated for a brief period. Experiment 3 provided replications, with two additional children, of the effects of delayed reinforcement on maintenance of correspondence. Results are discussed in terms of using delayed reinforcement as an indiscriminable contingency. 相似文献