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111.
112.
The effects of three different timeout durations were investigated in a group of 20 retarded, institutionalized subjects. Each subject received 1, 15, and 30 min of timeout in a design that was counterbalanced in terms of the order in which timeout durations were presented. Displays of deviant behavior-such as aggression, tantrums, and self-destruction-were followed by periods of isolation in a timeout room. A reversal design was employed such that return-to-baseline periods were instituted after each timeout period. The overall effect of timeout was to reduce significantly the rate of deviant behavior. On the average, 15 and 30 min produced a 35% decrease in deviant behavior with little difference between the effectiveness of 15 and 30 min. The range of effects in all timeout conditions varied widely. The sequence in which the 1-min duration was presented effected the direction of its effect. When it preceded the use of longer durations, 1 min was most effective. As it came later in the sequence, its suppressive characteristics became less reliable. 相似文献
113.
VISUAL AND TACTUAL EXPLORATION IN RATS REARED IN DIFFERENT DEGREES OF VISUAL AND TACTUAL STIMULATION
NIELSEN, T. C. Visual and tactual exploration in rats reared in different degrees of visual and tactual stimulation. Scand. J. Psychol. , 1971, 12, 53–61. – Four groups of eight rats each were reared in the four possible combinations of high and low visual and high and low tactual stimulation. Early tactual enrichment increased later tactual exploration regardless of visual stimulation. Visual enrichment did not influence exploration in the tactual enrichment groups, but in the tactual deprivation groups it seemed to produce more visual and less tactual exploration. The most deprived group exhibited a high locomotor activity which could not be explained in terms of an increased tendency to explore. 相似文献
114.
The authors studied truancy in junior high school students, largely by structured interviews of 33 truants. Truancy at this age was commonly associated with significant difficulties at home, at school and with peers. Two modal types of truants were delineated: "authority defying" and "peer phobic." The school environment, including the response to truancy and the transition to the junior high, was found to play a critical role in creating and aggravating truancy. The authors discuss the findings with respect to strategies for prevention and remediation. 相似文献
115.
Linda Nielsen 《Journal of counseling and development : JCD》1979,57(9):442-445
National data dispute the value of school suspensions. This article describes specific alternatives to suspension, with special attention devoted to the creation of “in-school” suspension programs. It outlines the philosophies, benefits, essential components, and major difficulties of in-school suspension centers. The author discusses truancy prevention, contingency contracting, and corporal punishment, and provides sources for obtaining detailed information on each disciplinary technique. 相似文献
116.
This study investigated the ability of a captive chimpanzee (Pan troglodytes) to recognise when he is being imitated. In the experimental condition of test 1a, an experimenter imitated the postures and behaviours of the chimpanzee as they were being displayed. In three control conditions the same experimenter exhibited (1) actions that were contingent on, but different from, the actions of the chimpanzee, (2) actions that were not contingent on, and different from, the actions of the chimpanzee, or (3) no action at all. The chimpanzee showed more "testing" sequences (i.e., systematically varying his actions while oriented to the imitating experimenter) and more repetitive behaviour when he was being imitated, than when he was not. This finding was replicated 4 months later in test 1b. When the experimenter repeated the same actions she displayed in the experimental condition of test 1a back to the chimpanzee in test 2, these actions now did not elicit those same testing sequences or repetitive behaviours. However, a live imitation condition did. Together these results provide the first evidence of imitation recognition in a nonhuman animal. 相似文献
117.
Averaged evoked cortical responses (CER) from the scalp of human Ss were recorded within an experimental paradigm that permitted the performance criterion to be varied. The signals evoking the cortical responses were contingent upon S’s pressing a button to bisect a temporal interval within certain tolerance limits. Under passive conditions averaged response waveforms lacked a second, late component that became prominent under temporal bisection conditions. The late component P2 - N2 increased regularly in magnitude as the performance criterion was made more stringent. The effect of performance criterion on the earlier component, N1 - P2, was neither as large nor as systematic as that shown by P2 - N2. 相似文献
118.
Torsten Ingemann Nielsen Nini Prætorius Rolf Kuschel 《Scandinavian journal of psychology》1965,6(1):201-208
The subjects (all females) were instructed to hold a certain note. In some of the trials an alien (female) voice with a continuously falling or rising frequency unexpectedly replaced the subject's own voice as the auditory stimulus in her headphone. Most of the subjects took the alien voice as their own and experienced a complete lack of volitional control over their own voice. A compensatory behaviour was found; when the subjects tried to hold the note the frequency of their voices went in the opposite direction to the frequency of the alien voice. 相似文献
119.
Interhemispheric EEG coherence during sleep and wakefulness in left- and right-handed subjects 总被引:3,自引:2,他引:1
REM sleep is associated with the production of complex imagery sequences. Yet research is divided as to whether different brain regions are more or less coordinated in their functioning at this time. Some research suggests that there may occur a functional disconnection of the left and right cerebral hemispheres during REM sleep which is similar to the disconnection syndrome seen after corpus callosotomy. Other research suggests that an increase in interhemispheric coordination occurs. On the assumption that hemispheric coordination is reflected in the EEG coherence measure, we explored differences in interhemispheric coherence recorded in six left- and six right-handed normal subjects during periods of wakefulness, stage REM, stage 2, and stage 3/4 sleep. Strong evidence was found that mean EEG coherence values are larger during sleep than during waking and that they are approximately equal for the different stages of sleep. Frontal electrode placements demonstrated a slightly different pattern of coherence than central, parietal, or occipital placements. Furthermore, coherence values were larger for left-handed subjects over the occipital region during wakefulness, stage 2, and stage REM sleep, but not during stage 3/4 sleep. Coherence was not different for male and female subjects. These findings oppose the interpretation that a functional disconnection of hemispheres occurs during REM sleep and favor the interpretation that sleep in general is a state of heightened cortical coordination. Moreover, greater interhemispheric coherence over occipital brain regions in left-handed subjects suggests possible differences in the cognitive processes of these subjects during waking and dreaming states. 相似文献
120.
Preschool children's learning proclivities: When the ritual stance trumps the instrumental stance
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Matti Wilks Rohan Kapitány Mark Nielsen 《The British journal of developmental psychology》2016,34(3):402-414
Previous research has demonstrated an efficiency bias in social learning whereby young children preferentially imitate the functional actions of a successful individual over an unsuccessful group member. Our aim in the current research was to examine whether this bias remains when actions are presented as conventional rather than instrumental. Preschool children watched videos of an individual and a group member. The individual always demonstrated a successful instrumental action and the group member an unsuccessful action that was either causally transparent or opaque. Highlighting the selective nature of social learning, children copied the group at higher rates when the demonstrated actions were causally opaque than when they were causally transparent. This research draws attention to the influence of conventional/ritual‐like actions on young children's learning choices and emphasizes the role of this orientation in the development of human‐specific cumulative culture. 相似文献