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51.
To establish an analogue of the “weapons effect,” male university subjects were required to use a distinctive apparatus in delivering noxious sounds to a peer in an adjoining room, and then were either (a) positively reinforced, or (b) negatively reinforced, or (c) not given any reaction by the experimenter, for what they had done. Immediately after this, each person had to administer other noise blasts to someone else in a different manner, but with the previous noise machines (the fist “weapon”) being either present or not present. The initial “weapon's” presence augmented the effects of the prior reinforcement; the second victim was attacked most strongly after the men had been positively reinforced and the earlier “weapon” was nearby, whereas he received the fewest blasts if the subjects had been negatively reinforced and the earlier noise machine was present. Other evidence indicates (1) that the aggressive cue, the “weapon,” had not affected the subjects' aggressive intentions, (2) the results are not due simply to differences in moods or general arousal, and (3) the subjects were not aware of the hypothesis regarding the interaction of reinforcement and cue presence. 相似文献
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Charles W. Turner Lynn Stanley Simons Leonard Berkowitz Ann Frodi 《Aggressive behavior》1977,3(4):355-378
Evidence is presented suggesting that firearms violence is an important social problem. Research strongly suggests that the effectiveness of firearms as a cause of death and injury may be due to their widespread availability, their lethality, and the impulsivity of their use. The investigation of a possible causal link between firearms and impulsive aggression led to Berkowitz and LePage's (1967) weapons effect experiment. The results suggested that weapons can increase the instigation to aggression in aroused an uninhibited individuals. The researchers reasoned that weapons might stimulate aggression by classical conditioning processes resulting from learned associations between aggressive acts and weapons. Although a few studies have failed to reproduce an aggression-enhancing effect of weapons, the original finding has been replicated in several countries with diverse subject groups both in field and laboratory settings. However, these studies also indicate that many individuals may react with anxiety or fear in the presence of weapons and inhibit aggressive reactions. Manipulations of evaluation apprehension, subject suspiciousness, and/or hypothesis awareness about the purpose of the weapons in the experiments all seem to lead to reduced levels of aggressive response in the presence of weapons. These findings offer a possible explanation for the few failures to replicate the original weapons effect; if researchers used apprehensive subjects or subjects who were aware of possible experimental deceptions, they were more likely to observe an inhibitory reaction rather than an aggression-enhancing effect of weapons. 相似文献
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This article describes the process of an evolving research project. Initially conceived as a study investigating outcome measures and their sensitivity to change after a course of family therapy, the project soon changed its focus. As unexpected results were recorded, the clinical research team became destabilized and the individual team members responded by making their own "sense" of the data, reflecting their respective clinical and scientific positions. As clinicians and researchers began to challenge each other's belief systems, the project entered a new stage. The interactions within the team became of increasing interest and themselves objects of research. The recursive nature of re-search was demonstrated, and the act of writing this report completed the circle, as the various authors tried to achieve a balance between reporting the content and the process of this project. 相似文献
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L Leyens J-PCamino R Parke L Berkowitz 《Journal of personality and social psychology》1975,32(2):346-360
In this quasi-experimental field study, delinquent members belonging to two cottages viewed aggressive commercial movies every evening for a week, while at the same time, subjects from two other cottages were exposed to neutral commercial movies. Behavioral observations were obtained through a nonhier-archical, minimally inferential procedure of a time-sampling nature; they were taken during a baseline week (at noon and in the evening), a treatment week (noon and evening) and a posttreatment week (noon). The main immediate effects of the violent films were an overall increase of both active behaviors and physical aggression; the effects on verbal aggression were more persistent but limited to one of the two cottages. On the other hand, more interactions occurred as an immediate consequence of viewing the films in both neutral treatment cottages; moreover, one of these two cottages also decreased its level of physical (short-term effect) and verbal (short- and long-term effects) aggression. In the aggressive treatment cottage, which was most affected, subjects who were most dominant, most popular, and least popular were influenced the most: an opposite effect was exhibited by those subjects who were judged as least aggressive by their peers. Complementary data are presented and discussed; the difference between the single individual laboratory paradigm and the existing group field paradigm is especially stressed. 相似文献
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Nowell BL Berkowitz SL Deacon Z Foster-Fishman P 《American journal of community psychology》2006,37(1-2):29-46
Place-based approaches to community change have become increasingly popular strategies for addressing significant social problems. With their intentional focus on 'place,' most efforts have sought to gain greater understanding into how neighborhood contexts affect people. However, while both aggregate characteristics and social dynamics of neighborhoods have been subject to scrutiny in the literature, less attention has been paid to understanding how the environmental characteristics of neighborhoods and communities as places have meaning for residents. The present study used an innovative methodology called Photovoice to obtain a greater understanding of the meanings residents ascribe to the salient characteristics of their neighborhoods and communities. As part of a place-based initiative, 29 adult and youth residents in seven distressed urban neighborhoods photographed and dialogued about the meaningful physical attributes of their community. According to participants, place characteristics provided cues about their personal histories as members of the community; communicated messages about the value and character of the community and its residents; defined social norms and behavior within the community; and provided markers that could remind residents of who they are and inspire a sense of possibility for who they could become. Implications for practice are discussed. 相似文献
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