首页 | 本学科首页   官方微博 | 高级检索  
相似文献
 共查询到20条相似文献,搜索用时 31 毫秒
1.
This study sought to identify some of the variables controlling the severely aggressive behavior of two retarded children. In Experiment 1, each child was presented with several demand and nondemand situations. Aggression was frequent in the demand situations and rare in the nondemand situations. When a stimulus correlated with the termination of demands was introduced, aggression fell to a near zero level. In Experiment 2, for one child, a variety of preferred reinforcers was introduced into the demand situation contingent on correct responding. Aggression abruptly decreased to a low level. Experiments 3 and 4 involved the second child. In Experiment 3, this child was permitted, in one condition, to leave the demand situation if he emitted a nonaggressive response. Aggression decreased to a low level. In Experiment 4, he was prevented, in one condition, from leaving the demand situation in spite of high levels of aggression. Aggression fell to a near zero level. In Experiments 3 and 4, he was permitted, in several conditions, to leave the demand situation following aggressive behavior. Aggression increased to a high level. The results suggested that: (1) aggression can sometimes function as an escape response; and (2) escape-motivated aggression can be controlled by: (a) introducing strongly preferred reinforcers to attenuate the aversiveness of the demand situation; (b) strengthening an alternative, nonaggressive escape response; or (c) using an escape-extinction procedure.  相似文献   

2.
The study attempted to isolate some of the environmental conditions that controlled the self-destructive behavior of three severely retarded and psychotic children. In the extinction study subjects were placed in a room where they were allowed to hurt themselves, isolated from interpersonal contact. They eventually ceased to hurt themselves in that situation, the rate of self-destruction falling gradually over successive days. In the punishment study, subjects were administered painful electric shock contingent on the self-destructive behavior. (1) The self-destructive behavior was immediately suppressed. (2) The behavior recurred when shock was removed. (3) The suppression was selective, both across physical locales and interpersonal situations, as a function of the presence of shock. (4) Generalized effects on other, non-shock behaviors, appeared in a clinically desirable direction. Finally, a study was reported where self-destructive behavior increased when certain social attentions were given contingent upon that behavior.  相似文献   

3.
Suicide proneness and self-destruction scales, together with measures of self-favorability and self-confidence, were administered to two samples (n = 106 and n = 213). The affective responses of the second sample (134 women and 79 men) were measured by asking respondents to circle adjectives classified for activity-passivity, positive-negativeness, and extroversion-introversion that expressed their feelings toward eight situations. Women scored lower than men on suicide proneness, higher on self-destruction, and lower on self-favorability and self-confidence. Women reacted more passively to the situations than men and more negatively to the public challenge situation. Women tend to extrovert (turn outward on others) their positive feelings in pleasant situations and to introvert (turn blame on themselves) their negative reactions to unpleasant situations. Men do the reverse. It is suggested that women are self-destructive in passive ways, reflecting their lack of self-favorability and confidence and manifested by failure to react to everyday situations in ego-building ways.  相似文献   

4.
Behavioral assessment procedures were used to prescribe and evaluate treatments of maladaptive behavior for 2 children with severe multiple handicaps. In Experiment 1, the results of an assessment of reinforcer preference were used in conjunction with a functional analysis of the conditions maintaining self-injurious behavior to prescribe a treatment for a child with severe disabilities. The treatment procedure involved the use of a pressure-sensitive microswitch to activate reinforcing stimuli during two solitary conditions, during which self-injurious behavior had occurred at high rates. The results were evaluated with a multiple baseline across settings design and indicated that self-injury decreased with concomitant increases in microswitch activation. Results were maintained at 6 weeks, 8 weeks, and 6 months. In Experiment 2, the results of behavioral assessments of reinforcer preference and self-injurious behavior were combined to develop a treatment for a second severely handicapped child, who exhibited high rates of self-injury in demand situations. This treatment was evaluated with a multiple baseline across tasks design and resulted in the elimination of self-injury for up to 15 months.  相似文献   

5.
The issue of situational consistency is of great interest for early intervention with aggressive boys, but efforts to show behavior stability across settings have been unsuccessful to date, due principally to methodological problems. It is argued here that a more appropriate matching of response form, interaction partner, and situations should increase the situation consistency of observed behavior. The results support this proposition in that, more crosssetting behavior consistency was found in the pairing of situations where aggressive boys (age 6–7 years) were interacting with an adult female (mother/child versus baby-sitter/child) than in the pairing of situations where the boys were interacting with an adult male (mother/child versus father/child) or with the teacher in a nondyadic situation (classroom). The implications of using an extreme group are also discussed.This research program was funded by Le Conseil Québécois de la Recherche Sociale, the Quebec Government's FCAR research program, the Social Sciences and Humanities Research Council of Canada, the Canadian Ministry of Employment and Immigration, and the University of Montreal FDR program.  相似文献   

6.
Summary: The Reaction Inventory-Guilt was developed to isolate, in individuals, the specific stimulus situations which result in guilt. The 50-item inventory was administered to 96 subjects. The estimate of the internal consistency coefficient was .94. The inter-item correlations were factor analyzed by the principle axis method, and rotation to oblique simple structure was accomplished by the Promax method. Four Oblique factors were obtained: intentional behavior disrupting interpersonal relations; self-destructive behavior; behavior contrary to moral or ethical principles; and unintentional behavior disrupting interpersonal relationships.  相似文献   

7.
The Reaction Inventory-Guilt was developed to isolate, in individuals, the specific stimulus situations which result in guilt. The 50-item inventory was administered to 96 subjects. The estimate of the internal consistency coefficient was .94. The inter-item correlations were factor analyzed by the principle axis method, and rotation to oblique simple structure was accomplished by the Promax method. Four oblique factors were obtained: intentional behavior disrupting interpersonal relations; self-destructive behavior; behavior contrary to moral or ethical principles; and unintentional behavior disrupting interpersonal relationships.  相似文献   

8.
Two experiments were reported in which it was observed that a weak shock became more aversive as a result of appropriate pairing of that stimulus with a stronger shock. The enhanced aversiveness of the weak shock was reflected in Experiment 1 by an apparent increase in the reinforcement provided by response-contingent termination of that shock. In Experiment 2, the weak shock was observed to be more suppressive of a consummatory-response baseline following appropriate pairings of the weak and strong shocks. The results of these studies were discussed in terms of their implications for certain aversive-conditioning situations in which shocks may serve, in part, as conditioned stimuli.  相似文献   

9.
A series of experiments assessed the effects of ACTH and the ACTH analogue ACTH4-10 on drinking in conditioned taste aversion and neophobic situations. Both substances delayed the extinction of a conditioned taste aversion established by a single pairing of lithium chloride with milk (Experiment 1). However, in this situation, the ACTH parent peptide was more potent behaviorally. Administration of ACTH suppressed milk consumption in animals with no toxicosis experience (Experiment 2). This effect was apparently not due to the conditioning of a taste aversion (Experiment 3) with ACTH serving as a weak aversive unconditioned stimulus. Administration of exogenous ACTH (Experiment 4) or ACTH4-10 (Experiment 5) did not enhance neophobia; however, repeated injections of ACTH suppressed drinking. This ACTH suppression was related to the familiarity/novelty of the subtance being consumed. The neophobic response to milk eas no accompanied by pituitary-adrenal activation (Experiment 6). Both neophobic and conditioned taste aversion situation appear to be useful for assessing peptide effects on consummatory behavior.  相似文献   

10.
317 college students as respondents were measured for suicide proneness and self-destructive behaviors and were also asked questions about self-attitudes, value for life, beliefs about suicide and self-destruction, religiosity and dogmatism. Those who score high on suicide proneness and self-destructiveness do not tend to be the same people, and they differ from one another. Correlations and factor analyses suggest the Suicide Prone are aware of their tendencies and are influenced by their value for life and beliefs about suicide and self-destruction. The Self-destructive are tied to negative self-evaluations, are less aware of their self-destructive tendencies, and score significantly higher than the Suicide Prone on dogmatism. Belief structure of the highly dogmatic person may allow those who are self-destructive to deny negative self-attitudes and to be unaware of self-destructive behaviors which are inconsistent with their beliefs.  相似文献   

11.
Interventions based on functional analyses may result in better treatment outcomes than those using arbitrary reinforcers. However, functional analyses may be impractical in some situations, or an immediate intervention may be necessary while a functional analysis is being conducted. In these situations, delivering the social reinforcers most commonly identified by functional analyses (attention, access to tangibles, and escape from demands) following appropriate behavior and withholding these events following problem behavior may improve behavior. We assessed the extent to which this type of intervention would improve child behavior with three participants. All participants engaged in moderate to high rates of problem behavior and very little appropriate requesting during baseline, and high rates of appropriate requests and reduced rates of problem behavior during treatment.  相似文献   

12.
In Experiment 1, 15 behavior patterns of male paradise fish (Macropodus opercularis; n = 72) toward a male conspecific, a male of another species, or no stimulus were recorded, both in home and novel situations. In Experiment 2, the same behaviors were recorded in a runway, and the same stimuli were used as reinforcers in the goal box (n = 18). A typical learning curve was seen when the subject found a male paradise fish in the goal box, learning was followed by apparent extinction when another species was found in the goal box, and few signs of learning were seen when the goal box was empty. Performance of the fish in both experiments can be accounted for by a strong aggressive motivation, a less strong but clear general curiosity, and habituation to the experimental procedure. In contrast to recent assertions in the literature, we conclude that aggressive behavior clearly can serve as a reinforcer in an instrumental learning situation.  相似文献   

13.
Male college students (N = 72) were administered an occupations/activities preference scale as a measure of action- and thought-oriented behavior styles, and responded to seven TAT cards varying in degrees of “stimulus pull” for action and thought modes of expression. Verbs in TAT stories were assigned to action and thought categories. Mean percentages of action and thought verbs were significantly related to both Ss’ behavior styles and to TAT stimulus demands. The results support Phillips’ (1968) action-thought typology, but suggest that situational demand may be equally as important as behavior style in determining one's action or thought mode of response in a given situation. Additional results raised questions concerning the adequacy of Phillips’ developmental conceptualization of action-thought behavior styles.  相似文献   

14.
Four experiments used a common set of procedures to investigate the occurrence and the generalization of learned helplessness (LH) and latent inhibition (LI) in 10- to 11-year-old children. In Experiment 1, preexposure to response-outcome independence impaired performance (i.e., LH) on two subsequent tests: The first was similar to the preexposure situation, the second was not. Moreover, LH occurred whether preexposure involved positive or negative feedback. On the other hand, noncontingent stimulus preexposure did not impair subsequent performance, i.e., LI was not obtained in the first experiment. Experiment 2 replicated the LH findings of Experiment 1: LH occurred following preexposure to response-independent feedback, regardless of whether that feedback was positive or negative, and LH generalized to a situation that was different from the preexposure situation. In addition, the stimulus preexposure procedures of Experiment 2 were embedded in a “masking” task and, under these conditions, LI was obtained. Nevertheless, LI did not generalize to a testing situation that was different from the preexposure situation. Experiment 3 demonstrated that noncontingent stimulus preexposure impairs performance relative to a nonpreexposed control group, that the effect is dependent upon masking, that masking alone produces no performance decrement, and that LI is, indeed, stimulus specific. In Experiment 4, preexposure to response-outcome independence impaired subsequent performance on similar and dissimilar tests whether feedback was consistently positive, consistently negative, or randomly positive and negative over trials. In addition, stimulus preexposure produced LI only under conditions of masking and even then, LI was not evident in novel test situations. The results are discussed in terms of common and different mechanisms underlying the LI and LH phenomena.  相似文献   

15.
Recommendations about placements for children in need of special education are routinely made and carried out without empirical validation for the efficacy of particular approaches nor the appropriateness of an approach for a particular child. A study was designed to examine a methodological model which focuses on empirically deriving recommendations for the most appropriate teaching situation for any given child requiring special education. Prosocial, problem, and task-related behaviors in three hyperactive boys were assessed in eight prearranged situations: (1) group play with one adult supervising; (2) group play with three adults; (3) group teaching with one adult; (4) group teaching with three adults; (5) individual play with low density noncontingent adult attention; (6) individual play with high density noncontingent adult attention; (7) individual teaching with low density noncontingent adult attention; and (8) individual teaching with high density noncontingent adult attention. Behaviors assessed included adult, peer, and target child attention given and received; compliance; aggression; disruption; task involvement; and percent tasks correctly completed of tasks attempted. Data revealed that the most disruptions and least efficient task performance occurred in the group teaching situation with one adult. The most efficient task performance and fewest disruptions in a teaching situation occurred in the individual teaching setting with high density noncontingent adult attention. In addition. overall mean rates of disruptive behavior were higher in group situations than in individual situations. The data strongly validate the need for carefully selecting educational environments for problem children, and that the behavior of such children is, at least, partially influenced by environmental factors.  相似文献   

16.
The two experiments reported here examined the relationship between subjective probability estimates and moral judgments (credit and blame assignment, trait attributions, and behavior evaluations). Subjects read about situations that varied in outcome valence (moral or immoral); in addition, the nature of situational demands (Experiment 1) or behavior frequency (Experiment 2) was varied. In the first experiment, subjective probabilities were related to judgments of immoral behaviors (but not moral behaviors), whereas the situational demands only had an impact on judgments of moral behaviors. Experiment 2 included a wider range of behavioral situations, and the probability estimates and moral judgments were assessed independently. In contrast to the first experiment, subjective probabilities were related to trait and behavior ratings of both moral and immoral acts. Consistent with the first experiment, however, subjective probabilities predicted blame but not credit. Across both studies, the prior expectancies were more strongly related to evaluations of immoral acts than moral acts. Implications for understanding the determinants of judgments of moral and immoral acts are discussed.  相似文献   

17.
This study investigated the social context of self-injurious behavior in autistic, schizophrenic, and mentally retarded children residing in a state hospital. Social interactions between subjects and staff were recorded along with subjects' self-destructive behavior. The results showed a substantial increase in self-destructive behavior following the staff's presentation of demands, denials, and punishments in 19 of the 20 subjects. These results are consistent with the hypothesis that self-injurious behavior is a social behavior, which is determined by persons in the environment. In addition, the self-destructive behavior of one subject may have been largely self-stimulatory in nature.  相似文献   

18.
Several studies of metacontrast masking in the 1960s apparently showed that the latency of simple detection responses was uninfluenced by the phenomenal dimming of the target induced by the mask. More recent studies using more suitable methodologies have clearly shown that such is not the case for situations in which the masking is a monotonically decreasing function of stimulus onset asynchrony. Experiment 1 investigated this issue for the situation in which masking is a U-shaped function of stimulus onset asynchrony. Contrary to the results obtained in monotonic masking situations, simple detection responses were not slowed by the masking. Experiment 2 demonstrated that although detection responses are not slowed in the U-shaped masking situation, spatial-choice judgments are. Experiments 3 and 4 indicated that this masking effect on spatial-choice reaction time is lost relatively rapidly with practice. However, changing the stimulus-response assignments reinstates the effect. The experiments suggest that for the situation in which U-shaped masking functions are obtained, responses that require attention (spatial-choice judgments early in practice or after stimulus-response relationships have been switched) are influenced by the metacontrast-induced phenomenal dimming, whereas responses that are automatic (i.e., detection responses; practiced spatial-choice judgments with consistent stimulus-response mappings) are not.  相似文献   

19.
Post-error slowing (PES) has been shown to reflect a control failure due to automatic attentional capture by the error. Here we aimed to assess whether PES also involves an increase in cognitive control. Using a cued-task-switching paradigm (Experiment 1) and a Stroop task (Experiment 2), the demand for top down control was manipulated. In Experiment 1, one group received dimension cues indicating the relevant stimulus dimension (e.g., “number”) without specifying the response-category-to-key mapping, hence requiring considerable top down control. Another group was shown mapping cues providing information regarding both the relevant task identity and its category-to-key mapping (e.g., “one three”), requiring less top down control, and the last group received both types of cues, intermixed. In Experiment 2, one group performed a pure incongruent Stroop condition (name ink color of incongruent color names, high control demand), and another group received a pure neutral Stroop condition (name color patches, low control demand). In Experiment 2a, participants received the two conditions, intermixed. A larger PES was observed with dimension cues as compared with mapping cues, and with incongruent Stroop stimuli as compared to neutral stimuli, but not when the conditions were intermixed. These findings reveal that PES is influenced by the control demands that characterize the given block-wide experimental context and show that proactive cognitive control is involved in PES.  相似文献   

20.
We tested the hypothesis that the “self-stimulatory” behaviors exhibited by some individuals may be socially mediated. Four developmentally disabled children who exhibited hand flapping and body rocking participated in a series of three experiments conducted to assess the influence of social variables on stereotyped behavior and to develop a treatment based on the assessment. Experiment 1 used an assessment procedure to determine the relative influences of social attention and task demands on stereotyped behavior. For all four children, hand flapping and body rocking increased when difficult academic tasks were introduced. Experiment 2 involved the use of a procedural time-out and demonstrated that removing task demands contingent on stereotyped behavior resulted in increased rates of hand flapping and body rocking. In Experiment 3, these results were used to develop a communication treatment that consisted of teaching the children to request assistance on the difficult tasks. This treatment resulted in significant reductions in self-stimulatory behavior. These results are consistent with the hypothesis that some forms of repetitive stereotyped behavior may come to serve social functions (e.g., escape from aversive situations). Teaching a functionally equivalent communicative alternative to escape-motivated stereotyped behavior can be an effective form of intervention for this problem.  相似文献   

设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号