全文获取类型
收费全文 | 53674篇 |
免费 | 1362篇 |
国内免费 | 19篇 |
出版年
2020年 | 363篇 |
2019年 | 500篇 |
2018年 | 3952篇 |
2017年 | 3326篇 |
2016年 | 2842篇 |
2015年 | 679篇 |
2014年 | 625篇 |
2013年 | 2816篇 |
2012年 | 1550篇 |
2011年 | 3380篇 |
2010年 | 3091篇 |
2009年 | 2118篇 |
2008年 | 2589篇 |
2007年 | 2976篇 |
2006年 | 900篇 |
2005年 | 933篇 |
2004年 | 858篇 |
2003年 | 836篇 |
2002年 | 725篇 |
2001年 | 1270篇 |
2000年 | 1251篇 |
1999年 | 887篇 |
1998年 | 417篇 |
1997年 | 342篇 |
1996年 | 338篇 |
1995年 | 333篇 |
1994年 | 339篇 |
1992年 | 739篇 |
1991年 | 714篇 |
1990年 | 676篇 |
1989年 | 622篇 |
1988年 | 592篇 |
1987年 | 592篇 |
1986年 | 556篇 |
1985年 | 627篇 |
1984年 | 491篇 |
1983年 | 383篇 |
1979年 | 479篇 |
1978年 | 351篇 |
1977年 | 339篇 |
1976年 | 314篇 |
1975年 | 425篇 |
1974年 | 428篇 |
1973年 | 488篇 |
1972年 | 386篇 |
1971年 | 328篇 |
1969年 | 334篇 |
1968年 | 383篇 |
1967年 | 339篇 |
1966年 | 389篇 |
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
861.
862.
863.
N. S. Sutherland Rosemary Bowman 《Quarterly journal of experimental psychology (2006)》1969,21(4):330-338
Different groups of goldfish were trained to discriminate between a circle and either a square, a diamond, a square with a knob added at the top or a diamond with a knob. All subjects readily mastered the discrimination, and there was no significant difference between the groups in the number of trials taken to criterion. In transfer tests it was found that: (i) while there was no transfer from square to diamond or vice versa, the presence of knobs on these shapes did mediate transfer from one to the other, provided the knob remained in the top part of the shapes; (ii) all groups learned much more about the tops of the shapes than about the bottom halves; (iii) animals discriminated the square from the circle largely by detecting the presence of a strong horizontal edge at the top of the figure; (iv) two features of the diamond were discriminated--the presence of oblique contours and the existence of a point in the upper half of the shape. The results are discussed in terms of a proposed model of shape recognition. 相似文献
864.
M. J. Morgan N. S. Sutherland Philip T. Smith Diana R. Haslam Ivana Markov Moyra Williams P. E. Bryant Mark P. Haggard 《Quarterly journal of experimental psychology (2006)》1969,21(3):291-297
Animal Discrimination Learning. Edited by R. M. Gilbert and N. S. Sutherland. London: Academic Press. 1969. Pp. xvi + 501. 1358.
Luce, R. D. and Tukey, J. W. (1964). Simultaneous conjoint measurement: a new type of fundamental measurement. J. math. Psychol. I, 1-27.
Discrimination Learning. By D. A. Riley. Boston: Allyn and Bacon Inc. 1968. Pp. 172. Paperback 21s.
Annual Review of Psychology. Vol. 20. Palo Alto: Annual Reviews Inc. 1969. Pp. ix + 544. $9.00.
Cutaneous Sensation. By David Sinclair. London: Oxford University Press. 1967. Pp. xii + 306. 63s.
Modelling of Thinking and the Mind.. By N. M. Amosov. Translated by L. Finegold. New York: Spartan Books. London: Macmillan. 11967. Pp. xiii + 192.
The Mind of Mnemonist. By A. R. Luria. London: Jonathan Cape. 1969. Pp. xi + 160. 25s.
Determinants of Infant Behaviour IV. Edited by B. M. Foss. London: Methuen. 1969. Pp. 303. £3 10s.
Brain and Behaviour. Volumes 1-4. Edited by Karl Pribram. Harmondsworth: Penguin Books Ltd. 1969. Pp. 496 +573 + 523 + 524. 12s. 6d. per volume. 相似文献
Luce, R. D. and Tukey, J. W. (1964). Simultaneous conjoint measurement: a new type of fundamental measurement. J. math. Psychol. I, 1-27.
Discrimination Learning. By D. A. Riley. Boston: Allyn and Bacon Inc. 1968. Pp. 172. Paperback 21s.
Annual Review of Psychology. Vol. 20. Palo Alto: Annual Reviews Inc. 1969. Pp. ix + 544. $9.00.
Cutaneous Sensation. By David Sinclair. London: Oxford University Press. 1967. Pp. xii + 306. 63s.
Modelling of Thinking and the Mind.. By N. M. Amosov. Translated by L. Finegold. New York: Spartan Books. London: Macmillan. 11967. Pp. xiii + 192.
The Mind of Mnemonist. By A. R. Luria. London: Jonathan Cape. 1969. Pp. xi + 160. 25s.
Determinants of Infant Behaviour IV. Edited by B. M. Foss. London: Methuen. 1969. Pp. 303. £3 10s.
Brain and Behaviour. Volumes 1-4. Edited by Karl Pribram. Harmondsworth: Penguin Books Ltd. 1969. Pp. 496 +573 + 523 + 524. 12s. 6d. per volume. 相似文献
865.
Elizabeth Q. Gilson A. D. Baddeley 《Quarterly journal of experimental psychology (2006)》1969,21(2):180-184
Subjects tried to recall the location of a tactile stimulus on the underside of the forearm after delays of 0, 3, 5, 10, 15, 30, 45 and 60 sec. When “rehearsal” was prevented by requiring subjects to count backwards during the delay, accuracy of recall decreased systematically reaching an asymptote after 45 sec. When subjects were left free to “rehearse,” this did not affect the decline in accuracy over the first 10 sec. Between 10 and 15 sec. there was a significant increase in accuracy followed by a slow decline which had not reached asymptote by 60 sec. It is suggested that tactile STM (short-term memory) depends on two processes, a fading sensory trace which is unaffected by distraction and a less labile system which does not appear to be verbal but which depends on “rehearsal.” 相似文献
866.
Boy N. Collier 《Journal of counseling and development : JCD》1969,47(8):753-757
The academic aptitudes and school achievement of the children with diabetes in 58 junior and senior high schools have been explored. Teachers and school counselors were queried concerning their understanding of diabetes, and its management and nature of interaction with the child and his parents. Implications for public school education of the chronically handicapped child were presented. 相似文献
867.
A digital integrated circuit computer that produces random (as opposed to pseudorandom) foreperiods is described. Also contained in the device is a precision digital interval timer. 相似文献
868.
Three experiments were conducted in an attempt to assess the effectiveness of a warning signal in reducing reaction time when (1) the signal to respond (danger signal) follows the warning signal with a probability less than 1.0, and (2) the interval between warning and danger signals (W-D interval) is variable. The required response was the depression of a foot pedal, as in automobile braking. It was determined that probabilistic warning information could be effective if observers made use of the W-D interval to prepare to make the response required by the danger signal. It was noted, however, that observers differed considerably in their tendency to do this. A model was proposed for describing different response strategies. 相似文献
869.
Robert S. Lockhart 《Attention, perception & psychophysics》1969,6(1):42-44
An experiment is described which tests the plausibility of the assumption that two-alternative forced-choice (2AFC) recency discrimination is based on an independent lag estimate of each item. 39 Ss made absolute recency judgments for items (common nouns) at varying lag intervals while an independent group of 74 Ss made 2AFC judgments for pairs of items at comparable lag combinations. It was found that the absolute judgment data generated accurate predictions of 2AFC performance. 相似文献
870.
S. S. Stevens 《Attention, perception & psychophysics》1969,6(5):302-308
The subjective intensity of taste was scaled by the method of magnitude estimation in which Os assigned numbers to designate the apparent strength ofstimulus concentrations. Substances used were sucrose, dextrose, maltose, fructose, saccharin, Sucaryl, sodium chloride, and quinine sulfate. For aqueous solutions of each substance, taste intensity was found to increase as a power function of concentration by weight. Some approximate exponents were: sucrose, 1.3; sodium chloride, 1.4; quinine sulfate. 1.0. The magnitude scale for sucrose was compared with the category scale obtained by a commonly used rating procedure. The category scale turned out to be highly nonlinear. 相似文献