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911.
In tests with naive subjects, it was found that: the apparent length of a test shaft (1) increases with angle of wing to shaft to a maximum of about 160° (wings out), and (2) is an inverted-U function of wing length, with maximum when wing length equals shaft length; (3) all effects are approximately proportional to shaft length; and (4) the angle exerts its effect within a small region near the tip of the shaft, the region extending about one-seventh the shaft length. The effects apparently do not result from simple distortion of the retinal image, but some may result from assimilation or confusion in coding image into lengths, and some effects apparently arise as lengths are combined into judgments. The new data are shown to agree in quantitative detail with results collected from 1896 to the present. 相似文献
912.
Frank R. Harrison 《The Southern journal of philosophy》1971,9(4):371-380
In this essay I wish to raise the question of whether it is meaningful to say that a certain sort of robot is in pain. This is, of course, not an empirical question. There exists no robot of the sort I shall describe. But, I shall argue, if such a robot did in fact exist, it would be meaningful to say it is in pain. 相似文献
913.
Lori A. Pbert Frank L. Collins Jr Stanley Smith Brian Sharp J. Vernon Odom Curtis Cornelius 《Behaviour research and therapy》1988,26(6):467-473
The present study evaluated the effects of behavioral training on visual acuity and refractive error in myopic adults. Twenty volunteers were matched on the basis of refractive error and one member of each matched pair was randomly assigned to either Fading and Feedback training or a no-treatment control condition. Visual acuity was measured with both recognition and resolution measures. Refractive error was measured subjectively using the LaserSpec optometer, and objectively by two retinoscopic examinations performed by an ophthalmologist with and without cycloplegia. The results indicated significant increases in recognition visual acuity, but not resolution visual acuity for trained subjects compared to the no-treatment controls. Trained subjects did not show improvement in refractive error on any measure, and refractive error changes were not correlated with changes in either measure of visual acuity. These data suggest that the visual acuity improvements typically found with behavioral training are not associated with changes in refractive error. 相似文献
914.
Charles R. Greenwood Granger Dinwiddie Voris Bailey Judith J. Carta Don Dorsey Frank W. Kohler Chris Nelson David Rotholz Dan Schulte 《Journal of applied behavior analysis》1987,20(2):151-160
We conducted a large-scale field replication study of classwide peer tutoring applied to spelling instruction (Greenwood, Delquadri, & Hall, 1984). Two hundred and eleven inner-city students in four schools participated during their first- and second-grade school years. The effects of classwide peer tutoring were compared to teacher instructional procedures and pretest probes using a group replication design (Barlow, Hayes, & Nelson, 1984). Analysis of group and individual results indicated that (a) both teacher instructional procedures and classwide peer tutoring were effective in increasing spelling performance above pretest levels, (b) peer tutoring produced statistically greater gains relative to the teachers' procedures for both low and high student groups formed on pretest levels, (c) these outcomes were representative of groups, classes, individuals, and years during the project, and (d) participant satisfaction with the program was generally high. A separate analysis of the social importance of treatment outcome revealed differential findings for low and high groups related to pretest levels. Implications of these findings are discussed. 相似文献
915.
Frank Miele 《Intelligence》1979,3(2):149-163
It is often argued that IQ differences between groups of American Blacks and Whites are the result of IQ tests being culturally biased instruments. The present study attempts to determine the existence of cultural bias in the Wechsler Intelligence Scale for Children (WISC) by comparing Black and White children on: (1) loadings of the first principal component on the WISC subtests; (2) the rank order of item difficulty; (3) measuring the contribution to the total variance of the Race by Item interaction obtained by ANOVA; (4) and by attempting to stimulate race differences by within-race age differences. The results indicate that: (1) there is no evidence of specific factors peculiar to either racial group (the groups differ on what is common to all subtests); (2) the rank order of item difficulties is similar in both racial groups; (3) ANOVA reveals a significant Race by Item interaction, but one which accounts for less than five percent of the total variance, less than one percent in the case of age offset analysis; (4) the items which best discriminate between Blacks and Whites at any age level are also the items which best discriminate between age groups within-race. The data support the view that race differences are differences in mental maturity rather than in artifact of biased testing instruments. 相似文献
916.
It has been proposed that field-independent and field-dependent learners differ more in the processes they use than in the effectiveness of their learning or retention. The present article discusses alternative explanations which emphasize developmental differences and differences in efficiency of performance between field-independent and field-dependent learners. Review of the concept learning literature and some new data suggested that the greater effectiveness of field-independent learners was related to memory efficiency and the ability to conduct combinatorial analysis. Research concerning short-term memory and free recall was also examined. High information load, greater interference potential, and less subjective organization were suggested as factors which contribute to the less efficient memory of field-dependent learners. 相似文献
917.
In a replication of Cooper and Shepard's (1975) study of hand recognition, it was found that individual differences in imagery ability had a significant influence on reaction times to such stimuli (Experiment 1). However, it was found (Experiment 2) that individual difference effects were only seen if prior instructions to use imagery were given to the subjects. 相似文献
918.
919.
920.
Frank L. Collins Jr. John E. Martin 《Journal of psychopathology and behavioral assessment》1980,2(1):55-63
Intensive vs. reduced demand self-monitored pain levels were compared in nine pain patients. Each patient self-monitored pain intensity on a 6-point scale every 2 hr. Overall, daily mean and maximum pain levels were calculated for each patient (1) across all intervals (intensive self-monitoring) and (2) four times per day, at meal times and bedtime (reduced-demand self-monitoring). Differences were found to be negligible. The reduced-demand procedure produced data that were closely representative of pain fluctuations indicated in the more intensive bihourly ratings. Results are discussed in terms of the representativeness and standardization in pain self-monitoring as well as possible enhancement of recording compliance through the use of the less demanding four times per day procedure.Portions of these data were presented at the meeting of the Association for Behavior Analysis, Dearborn, June 1979. 相似文献