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101.
Three experiments tested the hypothesis that habituation contributes to the regulation of wheel running. Rats ran in a wheel for 30-min sessions. Experiment 1 demonstrated spontaneous recovery. Rats ran more and the within-session decreases in running were smaller after 2 days of wheel deprivation than after 1 day. Experiment 2 demonstrated dishabituation. Running rate increased immediately after the termination of a brief extra event (application of the brake or flashing of the houselight). Experiment 3 demonstrated stimulus specificity. Rats completed the second half of the session in either the same wheel as the first half, or a different wheel. Second-half running was faster in the latter case. Within-session patterns of running were well described by equations that describe data from the habituation, motivation, and operant literatures. These results suggest that habituation contributes to the regulation of running. In fact, habituation provides a better explanation for the termination of wheel running than fatigue, the variable to which this termination is usually attributed. Overall, the present findings are consistent with the proposition that habituation and sensitization contribute to the regulation of several forms of motivated behavior. 相似文献
102.
Fjellstedt and Sulzer-Azaroff (1973) used differential reinforcement of short latencies to decrease a child's latency to comply with instructions. We replicated this contingency with a young man diagnosed with Asperger syndrome across two tasks (question answering and math problem solving). We added a differential reinforcement contingency to teach the participant to discriminate between math problems that could be answered rapidly and those that required more time for accurate performance. 相似文献
103.
Kenjiro Aoyama 《Learning and motivation》2007,38(3):284-293
This study tested the effects of post-session wheel running on within-session changes in operant responding. Lever-pressing by six rats was reinforced by a food pellet under a continuous reinforcement (CRF) schedule in 30-min sessions. Two different flavored food pellets were used as reinforcers. In the wheel conditions, 30-min operant-sessions with one of the flavored pellets were followed by 30-min free-wheel running sessions. Meanwhile, in the home conditions, rats’ operant responding was reinforced by the other flavored pellets during 30-min operant-sessions, and the rats were then returned to their homecages. All rats were exposed to 4 wheel and 4 homecage sessions. Operant responding was lowered during the wheel conditions. However, post-session running did not alter the within-session pattern of operant responding. These effects were practically identical to the effects of drug-induced taste-aversion learning on within-session changes in operant responding, suggesting similar mechanisms in both taste-aversion preparations. 相似文献
104.
Rats in a Pavlovian situation were trained under three different reward schedules, at either a 30 s or a 90 s intertrial interval (ITI): Consistent reward (C), 50% irregular reward (I), and single alternation of reward and nonrewarded trials (SA). Activity was recorded to the conditioned stimulus (CS) and in all 10 s bins in each ITI except the first 10 s bin. Responding increased progressively over the bins of the 90 s ITI indicating a role for temporal cues in the ITI. Single alternation patterning (SAP), more vigorous responding on rewarded than on nonrewarded trials, occurred in the ITI as well as to the CS and differed little at the 30 s and 90 s ITI. The occurrence of SAP to the CS and, as shown here for the first time, in the ITI along with the findings for the C and I schedules, indicate three matters of importance. First, along with other cues such as temporal cues, behavior is influenced by cues associated with reward and nonreward both in the ITI and when the CS is presented. Second, as the percentage of reward associated with these cues increases so too does vigor of responding. Finally, if the cues produced by reward events are memories the retrieval cues for such memories are present in the ITI as well as when the CS is presented. Considerations are advanced indicating that reward produced cues may influence responding in the Pavlovian situation not only under regular schedules such as the SA schedule, but under all schedules. Indeed, such cues may more validly signal reward and nonreward than the CS itself. 相似文献
105.
Ashley L. Matter Katie M. Wiskow Jeanne M. Donaldson 《Journal of applied behavior analysis》2020,53(1):147-166
Using instructional strategies based on derived relational responding (DRR) to teach foreign-language targets may result in emergent, untrained foreign-language relations. One benefit of using DRR instructional strategies is the efficiency with which an individual acquires additional stimulus relations as a result of emergent responding following acquisition of one or a small number of relations. In the current study, we compared the efficiency of tact training alone to a traditional foreign-language teaching strategy (i.e., teaching all relations concurrently—mixed training) with four, 4-year-old children. The results demonstrated that tact training was more efficient than mixed training for 5 of 7 stimulus sets. The findings add to the research demonstrating that DRR instructional strategies, specifically tact training, may be more efficient than concurrently teaching all targeted relations. 相似文献
106.
Carol M. Woods 《Journal of psychopathology and behavioral assessment》2006,28(3):186-191
Many self-report measures include some items worded in the direction opposite to that of other items. These so-called reverse-worded (RW) items can reduce the reliability and validity of a scale, and frequently form a separate method factor that does not appear to be substantively meaningful. One possible explanation for factors defined by RW items is respondent carelessness. The purpose of the present study was to evaluate whether relatively few careless responders to RW items can influence confirmatory-factor-analysis model fit enough that researchers would likely reject a one-factor model for a unidimensional scale. Results based on simulations indicated that if at least about 10% of participants respond to RW items carelessly, researchers are likely to reject a one-factor model for a unidimensional scale. 相似文献
107.
108.
Mark R. Dixon Brandon E. McCord Jordan Belisle 《Journal of applied behavior analysis》2018,51(3):590-595
We evaluated a procedure for teaching two children, one typically developing and one with autism, a higher‐order generalized operant response class of unscrambling sight words. The procedures were efficacious in teaching the participants to unscramble words appearing in isolation and in the context of a sentence, with 98% of the presented discriminative stimuli novel to the participants. 相似文献
109.
We compared the efficacy of tact-to-intraverbal (i.e., using picture prompts) and echoic-to-intraverbal transfer-of-stimulus-control procedures to establish intraverbal responding in 3 boys (4 years old) with autism. For all 3 participants, the picture prompts resulted in fewer trials to criterion, but both prompting tactics were eventually effective. 相似文献
110.
The resurgence of temporal patterns of key pecking by pigeons was investigated in two experiments. In Experiment 1, positively accelerated and linear patterns of responding were established on one key under a discrete-trial multiple fixed-interval variable-interval schedule. Subsequently, only responses on a second key produced reinforcers according to a variable-interval schedule. When reinforcement on the second key was discontinued, positively accelerated and linear response patterns resurged on the first key, in the presence of the stimuli previously correlated with the fixed- and variable-interval schedules, respectively. In Experiment 2, resurgence was assessed after temporal patterns were directly reinforced. Initially, responding was reinforced if it approximated an algorithm-defined temporal pattern during trials. Subsequently, reinforcement depended on pausing during trials and, when it was discontinued, resurgence of previously reinforced patterns occurred for each pigeon and for 2 of 3 pigeons during a replication. The results of both experiments demonstrate the resurgence of temporally organized responding and replicate and extend previous findings on resurgence of discrete responses and spatial response sequences. 相似文献