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761.
Two lines of research—one in psycholinguistics and one in linguistics—are combined to deal with a long-standing problem in both fields: why the “performance structures” of sentences (structures based on experimental data, such as pausing and parsing values) are not fully accountable for by linguistic theories of phrase structure. Two psycholinguistic algorithms that have been used to predict these structures are described and their limitations are examined. A third algorithm, based on the prosodic structures of sentences is then proposed and shown to be a far better predictor of performance structures. It is argued that the experimental data reflect aspects of the linguistic cognitive capacity, and that, in turn, linguistic theory can offer an illuminating account of the data. The prosodic model is shown to have a wider domain of application than temporal organization per se, accounting for parsing judgments as well as pausing performance, and reflecting aspects of syntactic and semantic structure as well as purely prosodic structure. Finally, the algorithm is discussed in light of language processing. 相似文献
762.
Shulamuth Chiat 《Cognition》1983,14(3):275-300
The systematic errors children make in the course of phonological development, like adult production errors and adult phonological processes, can provide evidence of language production mechanisms. A detailed investigation of the environments in which velar stops are fronted by a phonologically delayed child reveals that fronting is dependent on both word stress and word boundaries; that it shows lexical exceptions; and that it occurs in output only. This distribution suggests that the child has output lexical representations which are independent of input lexical representations, and that the fronting error occurs in these output representations. It also suggests that prosodic features are crucial to the identification of articulatory features within these representations. Such an analysis has implications for theories of lexical access, and for the development of lexical access in children. 相似文献
763.
Thomas Oakland 《Applied and Preventive Psychology》1992,1(4):201-208
Our nation's secondary school dropout rate of 17–25% is at a historic low. Nevertheless, considerable concern exists about the enormous losses to individuals, families, and society associated with not completing high school. School, race, gender, and economic and family qualities associated with dropouts are reviewed briefly. General prevention principals are proposed together with more specific strategies involving youth, schools, family, and community. The goals are two pronged: (a) to provide systems that enable adequate achievement and achievement motivation, passing grades, feelings of affiliation with school and peers, and a stable support systems from peers, family, and the community; and (b) to be free of impediments that diminish suitable educational outcomes, including unsuitable school qualities, premature entrance into adulthood, and qualities that adversely affect students' physical and mental health. 相似文献
764.
Parent Involvement in Early Intervention for Disadvantaged Children: Does It Matter? 总被引:1,自引:0,他引:1
This study investigated the association between parent involvement in early intervention and children's later school competence. Parents (N = 704) of children participating in the Chicago Longitudinal Study were interviewed retrospectively about their school involvement in preschool and kindergarten. Parents reported on the activities in which they participated and their frequency of program participation. Results indicated that even after controlling for family background, the number of activities in which parents participated in preschool and kindergarten was significantly associated with higher reading achievement, with lower rates of grade retention at age 14 (eighth grade), and with fewer years in special education. The frequency of parent involvement was only marginally associated with reading achievement but was associated with lower rates of grade retention and fewer years in special education. A confirmatory analysis indicated that teacher ratings of parent involvement in first and second grade were significantly associated with higher reading achievement in eighth grade, lower grade retention rates, and lower rates of special education placement through eighth grade. Findings support the benefits of parent involvement in early childhood programs. 相似文献
765.
The role of the left cerebral hemisphere for the discrimination of duration was examined in a group of normal subjects. Two tasks were presented: the first required a reaction-time response to the offset of monaural pulse sequences varying in interpulse duration, and the second required the discrimination of small differences in durations, within a delayed-comparison paradigm. In each task a right-ear advantage was obtained when the durations were 50 msec or less. No ear advantage was obtained for the larger durations of 67 to 120 msec. Since the perceptual distinctiveness of phonemes may be provided by durations approximating 50 msec, the nature of the relationship between the left hemisphere's role in temporal processing and speech processing may be elaborated. 相似文献
766.
Daniel A Wagner 《Cognitive psychology》1978,10(1):1-28
To what extent are models of memory general, in that they may be applied to children or to other cultural groups? In an attempt to answer this question, two experiments were undertaken in Morocco to investigate various cultural and experiential antecedents to memory development. A total of 384 children and young adults, ranging in age from 6 to 22 years, were tested in a design that contrasted schooled and nonschooled children in urban and rural environments. Three additional groups of subjects—Koranic students, Moroccan rug sellers, and University of Michigan students—were also studied because it was hypothesized that each might have particular “culture-specific” memory skills as a function of previous experience.A serial short-term recall task was used in Experiment I. Results showed that the recency effect or short-term store was generally invariant with age or experience. Control processes appeared to be a function of age, but only when coupled with schooling, and, to a lesser extent, urban environment. In Experiment II, a continuous recognition memory task was given with black and white photographs of Oriental rugs as stimuli. Forgetting rates were generally invariant with age and experience, while the acquisition parameter seemed to vary as a function of specific cultural experiences. Data from the three additional groups were useful in supporting the hypothesis of culture-specific memory skills.From Experiments I and II, and previous research, it was hypothesized that structural features of memory (e.g., short-term store and invariant forgetting rates) may be universal, while control processes or mnemonics in memory are probably culture-specific, or a function of a variety of experiential and cultural factors that surround the growing child. 相似文献
767.
768.
769.
770.
Dale T Miller 《Journal of research in personality》1978,12(1):49-56
An experiment was conducted to investigate the relationship between the locus of control orientation of fourth-grade children and delay frustration experienced in self-imposed and externally imposed delay situations. Time estimation was used as the index of delay frustration, with greater time estimates being interpreted as indicating greater frustration. In a self-imposed delay situation, external subjects estimated a 5-min delay to be longer than did internal subjects, while in an externally imposed delay situation, internal subjects estimated a 5-min delay to be longer than did external subjects. The implications of the findings for an understanding of both the locus of control dimension and delay behavior are discussed. 相似文献