Timothy D. Hackenberg 《Journal of the experimental analysis of behavior》2009,91(2):257-286

Token reinforcement procedures and concepts are reviewed and discussed in relation to general principles of behavior. The paper is divided into four main parts. Part I reviews and discusses previous research on token systems in relation to common behavioral functions—reinforcement, temporal organization, antecedent stimulus functions, and aversive control—emphasizing both the continuities with other contingencies and the distinctive features of token systems. Part II describes the role of token procedures in the symmetrical law of effect, the view that reinforcers (gains) and punishers (losses) can be measured in conceptually analogous terms. Part III considers the utility of token reinforcement procedures in cross‐species analysis of behavior more generally, showing how token procedures can be used to bridge the methodological gulf separating research with humans from that with other animals. Part IV discusses the relevance of token systems to the field of behavioral economics. Token systems have the potential to significantly advance research and theory in behavioral economics, permitting both a more refined analysis of the costs and benefits underlying standard economic models, and a common currency more akin to human monetary systems. Some implications for applied research and for broader theoretical integration across disciplines will also be considered.  相似文献   

    

Michael L. DeKay  Dalia Patiño‐Echeverri  Paul S. Fischbeck 《决策行为杂志》2009,22(3):338-361

In four studies, student and nonstudent participants evaluated the possible outcomes of binary decisions involving health, safety, and environmental risks (e.g., whether to issue a dam‐failure evacuation order). Many participants indicated that false positives (e.g., evacuation, but no dam failure) were better than true negatives (e.g., no evacuation and no dam failure), thereby implying that the more protective action dominated the less protective action. A common rationale for this response pattern was the precautionary maxim “better safe than sorry.” Participants apparently evaluated outcomes partly on the basis of the decisions that might lead to them, in conflict with consequentialist decision models. Consistent with this explanation, the prevalence of implied dominance decreased substantially when the emphasis on decisions was reduced. These results demonstrate that an initial preference for a decision alternative can alter the evaluation of possible consequences of both the preferred alternative and a competing alternative, suggesting positive feedback loops that reinforce the initial preference. The rationality of considering the decision itself as an attribute of possible outcomes is discussed. Copyright © 2009 John Wiley & Sons, Ltd.  相似文献   

    

Pamela Brear  Jillian Dorrian  Giuseppa Luscri 《Counselling and Psychotherapy Research》2008,8(2):93-101

Social science research specific to the identification and prevalence of unsuitable students within counselling, psychology, and social work training programmes is briefly reviewed in this article. This area of enquiry relates to the gatekeeping responsibilities of professional educational programmes, to ensure that their graduates are competent to provide ethical and effective practice to the public. Key issues which impede the usefulness of this gatekeeping literature to counselling educators are raised. These include: methodological inconsistencies which limit the comparison of findings and hence the drawing of sound conclusions; the lack of definitional clarity relating to the construct of gatekeeping; and the confusing array of nomenclature used to represent students’ failure to meet acceptable professional standards. It is apparent from this overview that there are common factors irrespective of nomenclature that are associated with students at risk of not becoming competent entry‐level practitioners. This suggests that a structured approach to terminology is appropriate. There is also evidence to suggest that encountering such students is a regular occurrence for faculty, with students indicating higher numbers of impaired students than educators. A working definition of gatekeeping is provided and nomenclature suggested.  相似文献   

    

J J Widholm  A Silberberg  S R Hursh  A A Imam    F R Warren-Boulton 《Journal of the experimental analysis of behavior》2001,76(3):245-263

Each of 2 monkeys typically earned their daily food ration by depositing tokens in one of two slots. Tokens deposited in one slot dropped into a bin where they were kept (token kept). Deposits to a second slot dropped into a bin where they could be obtained again (token returned). In Experiment 1, a fixed-ratio (FR) 5 schedule that provided two food pellets was associated with each slot. Both monkeys preferred the token-returned slot. In Experiment 2, both subjects chose between unequal FR schedules with the token-returned slot always associated with the leaner schedule. When the FRs were 2 versus 3 and 2 versus 6, preferences were maintained for the token-returned slot; however, when the ratios were 2 versus 12, preference shifted to the token-kept slot. In Experiment 3, both monkeys chose between equal-valued concurrent variable-interval variable-interval schedules. Both monkeys preferred the slot that returned tokens. In Experiment 4, both monkeys chose between FRs that typically differed in size by a factor of 10. Both monkeys preferred the FR schedule that provided more food per trial. These data show that monkeys will choose so as to increase the number of reinforcers earned (stock optimizing) even when this preference reduces the rate of reinforcement (all reinforcers divided by session time).  相似文献   

    

Anna C. Baldry  David P. Farrington 《Aggressive behavior》2004,30(1):1-15

The present study evaluates the effect of an intervention program on the reduction of bullying and victimization in schools with a sample of 239 students aged 10–16 years old in Rome, Italy. The program deals with bullying and violence. It consists of three videos and a booklet that help students to develop the social cognitive competence skills to understand the negative consequences of aggressive behavior. The intervention was evaluated using an experimental design with pre‐test and post‐test analyses. Students were randomly allocated to experimental or control classes. Students completed a self‐report questionnaire in which they were asked to indicate on a 5–point scale how often they were victimized or bullied others. Victimization and bullying were assessed by using questions about specific types of actions, a composite measure of victimization and bullying, and a single question about victimization and bullying in general. Results showed that the program worked best for older students, but not for younger ones who in some cases reported an increased level of victimization after the intervention. For older students there was a decrease in victimization according to the sum of types of behavior for the experimental group, but an increase for the control group. The same result was found for direct victimization, having belongings stolen, and being called nasty names. Therefore, the program seemed to be beneficial for older students but possibly damaging for younger students. It is suggested that the program could have worked better with older students because of the cognitive skills it required. Younger students could have reported higher levels of bullying after the intervention because they became more sensitized to the topic of bullying. Aggr. Behav. 30:1–15, 2004. © 2004 Wiley‐Liss, Inc.  相似文献   

    

Belke TW  Pierce WD  Duncan ID 《Journal of the experimental analysis of behavior》2006,86(2):131-158

Choice between sucrose and wheel-running reinforcement was assessed in two experiments. In the first experiment, ten male Wistar rats were exposed to concurrent VI 30 s VI 30 s schedules of wheel-running and sucrose reinforcement. Sucrose concentration varied across concentrations of 2.5, 7.5, and 12.5%. As concentration increased, more behavior was allocated to sucrose and more reinforcements were obtained from that alternative. Allocation of behavior to wheel running decreased, but obtained wheel-running reinforcement did not change. Overall, the results suggested that food-deprived rats were sensitive to qualitative changes in food supply (sucrose concentration) while continuing to defend a level of physical activity (wheel running). In the second study, 15 female Long Evans rats were exposed to concurrent variable ratio schedules of sucrose and wheel-running, wheel-running and wheel-running, and sucrose and sucrose reinforcement. For each pair of reinforcers, substitutability was assessed by the effect of income-compensated price changes on consumption of the two reinforcers. Results showed that, as expected, sucrose substituted for sucrose and wheel running substituted for wheel running. Wheel running, however, did not substitute for sucrose; but sucrose partially substituted for wheel running. We address the implications of the interrelationships of sucrose and wheel running for an understanding of activity anorexia.  相似文献   

    

Kodak T  Lerman DC  Volkert VM  Trosclair N 《Journal of applied behavior analysis》2007,40(1):25-44

Factors that influence choice between qualitatively different reinforcers (e.g., a food item or a break from work) are important to consider when arranging treatments for problem behavior. Previous findings indicate that children who engage in problem behavior maintained by escape from demands may choose a food item over the functional reinforcer during treatment (DeLeon, Neidert, Anders, & Rodriguez-Catter, 2001; Lalli et al., 1999). However, a number of variables may influence choice between concurrently available forms of reinforcement. An analogue for treatment situations in which positive reinforcement for compliance is in direct competition with negative reinforcement for problem behavior was used in the current study to evaluate several variables that may influence choice. Participants were 5 children who had been diagnosed with developmental disabilities and who engaged in problem behavior maintained by escape from demands. In the first phase, the effects of task preference and schedule of reinforcement on choice between a 30-s break and a high-preference food item were evaluated. The food item was preferred over the break, regardless of the preference level of the task or the reinforcement schedule, for all but 1 participant. In the second phase, the quality of the break was manipulated by combining escape with toys, attention, or both. Only 1 participant showed preference for the enriched break. In the third phase, choice of a medium- or low-preference food item versus the enriched break was evaluated. Three of 4 participants showed preference for the break over the less preferred food item. Results extend previous research by identifying some of the conditions under which individuals who engage in escape-maintained behavior will prefer a food reinforcer over the functional one.  相似文献   

    

Kodak T  Lerman DC  Call N 《Journal of applied behavior analysis》2007,40(3):515-527

Factors that influence reinforcer choice have been examined in a number of applied studies (e.g., Neef, Mace, Shea, & Shade, 1992; Shore, Iwata, DeLeon, Kahng, & Smith, 1997; Tustin, 1994). However, no applied studies have evaluated the effects of postsession reinforcement on choice between concurrently available reinforcers, even though basic findings indicate that this is an important factor to consider (Hursh, 1978; Zeiler, 1999). In this bridge investigation, we evaluated the influence of postsession reinforcement on choice of two food items when task responding was reinforced on progressive-ratio schedules. Participants were 3 children who had been diagnosed with developmental disabilities. Results indicated that response allocation shifted from one food item to the other food item under thinner schedules of reinforcement when no postsession reinforcement was provided. These findings suggest that the efficacy of instructional programs or treatments for problem behavior may be improved by restricting reinforcers outside treatment sessions.  相似文献   

    

Dilip Soman 《决策行为杂志》2003,16(1):35-52

Prior research (cf. Soman & Shi, 2001 ) has shown that obstacles and periods of low progress in an experience reduce the evaluation of that experience. In this research, we propose that the temporal distance between the obstacle and the time of making the evaluation moderates the effect of the obstacle. Consequently, an early (late) obstacle reduces prospective (retrospective) evaluation more significantly than a late (early) obstacle. In two experiments, we find support for this temporal proximity hypothesis. Further, differences between prospective and retrospective evaluations disappeared when the data were analyzed in terms of temporal distance, suggesting that the judgment policies underlying prospective and retrospective evaluations were the same. We also show that it is possible to create pairs of paths such that one of the two paths would be preferred when viewed in prospect, but the other path might be preferred in retrospect. Copyright © 2002 John Wiley & Sons, Ltd.  相似文献   

    

Jolene R Sy  John C Borrero  Jennifer Zarcone 《Journal of applied behavior analysis》2009,42(4):833-837

We assessed the effects of individually defined small, medium, and large periods of presession access to edible and nonedible reinforcers on response rates during sessions in which responding produced access to identical reinforcers. Any presession access to an edible reinforcer decreased response rates for 1 participant, and small and medium periods of presession access to nonedible reinforcers resulted in similar or increased response rates for 2 participants.  相似文献