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231.
Mark W. Roberts 《Journal of abnormal child psychology》1985,13(4):611-629
Praising child compliance is a common therapeutic recommendation to parents with noncompliant children. There are currently no studies documenting the independent contribution of the praise component to successful parent training programs. Three projects were designed to evaluate the hypotheses underlying the use of contingent praise routines. Namely, it has been suggested that conduct-disordered children are relatively unresponsive to adult approval at pretreatment, yet become responsive by posttreatment. In contrast to the hypotheses, data indicated that child compliance levels were not associated with child responsivity to maternal social reinforces; noncompliant children were responsive to maternal praise both before and after treatment; child responsivity to maternal praise did not covary with successful treatment; previously noncompliant but successfully treated children continued to comply to maternal instructions after contingent praise was withdrawn; a nonclinic child demonstrated extensive compliance persistence in the absence of contingent praise. Praising child compliance appeared to be more of a polite ritual than an active therapeutic component for altering noncompliance.The author is grateful to the many students who have participated in these projects. Special thanks go to Lynn McIsaac, Lisa Grange, and Dan Anderson for their assistance with Project 3. 相似文献
232.
M D Holder S Roberts 《Journal of experimental psychology. Animal behavior processes》1985,11(2):172-193
Four experiments with rats investigated if the timing of a stimulus (sound) correlated with the strength of a conditioned response (CR) to the stimulus. The timing (effective duration) of the stimulus was measured using the peak procedure, similar to a discrete-trials fixed-interval procedure. The rats were trained so that their response rate reached a maximum about 40 s or 60 s after the onset of a light; the time of the maximum measured from the start of the light (peak time) was the measure of timing. On some trials, the light was preceded by a short (5 s) or long (20 s or 30 s) interval of sound. We assumed that the difference in peak time after long and short sounds reflected the timing of the sound--if the sound was timed, the longer sound would produce a lower peak time; if the sound was not timed, the two durations of sound would produce the same peak time. The CR was lever-pressing during the sound. The sound was treated in various ways: presented alone (Experiments 1, 3, and 4), followed by food (Experiments 1, 3, and 4), preceded by food (Experiment 3), and followed by food after 20 s (Experiment 4). Treatments that produced no timing of sound produced no CR, and treatments that increased (or diseased) timing also increased (or decreased) the CR. The results suggest that there is overlap between the mechanisms that produce time discrimination and the mechanisms that produce classical conditioning. 相似文献
233.
The ability of two female and one male chronically institutionalized adult mental patients to comprehend and retain feedback on individualized problem behaviors and the effect of that feedback on changes in the occurrences of those behaviors were examined. Feedback on five problem behaviors was provided to each subject within a small therapy group setting employing a multiple baseline across subjects experimental design. Comprehension and retention tests occurred two, five, and seven days following the feedback in the small groups, while the rates of the occurrences of the problem behaviors were time-sampled throughout the subjects' waking day via use of the Time-Sample Behavioral Checklist (Paul, 1987). Results indicated that, although there were no changes in the rates of occurrence, these subjects were able to retain and understand the feedback on their problem behaviors. Implications for further investigations and for the utility of feedback with chronically institutionalized adults are discussed. 相似文献
234.
Yvonne Harrison Erik Espelid 《The Quarterly Journal of Experimental Psychology Section A: Human Experimental Psychology》2004,57(3):437-446
It has been argued that one night of sleep loss in young healthy adults produces changes similar to that associated with normal, healthy ageing—in particular, that young sleep-deprived adults perform similarly to 60-year-old sleep-satiated adults on some tasks of frontal lobe function. This proposition was examined using a protocol viewed by many to be a direct probe of nonvolitional attention mechanisms associated with frontal lobe function. A negative priming (NP) procedure was used to compare performance between non-sleep-deprived (NSD) and sleep-deprived (SD, 34 hr) young, healthy adults. This protocol allowed for exploration of two theories of the NP effect based on inhibitory or memorial processes. Under conditions believed to facilitate inhibitory processes a normal NP effect was found for NSD(16 ms) and SD (9 ms) participants. Under conditions believed to rely on memorial processes there was no NPeffect following SD, compared with a normal NP effect for NSD participants (11 ms). Distractor interference was also greater following SD. These findings do not suggest a similar pattern of change following sleep loss in healthy young adults to that of normal, healthy, non-sleep-deprived aged groups. 相似文献
235.
Geoffrey Underwood Lorraine Jebbett Katharine Roberts 《The Quarterly Journal of Experimental Psychology Section A: Human Experimental Psychology》2004,57(1):165-182
When we see combinations of text and graphics, such as photographs and their captions in printed media, how do we compare the information in the two components? Two experiments used a sentence-picture verification task in which statements about photographs of natural scenes were read in order to make a true/false decision about the validity of the sentence, and in which eye movements were recorded. In Experiment 1 the sentence and the picture were presented concurrently, and objects and words could be inspected in any order. In Experiment 2 the two components were presented one after the other, either picture first or sentence first. Fixation durations on pictures were characteristically longer than those on sentences in both experiments, and fixations on sentences varied according to whether they were being encoded as abstract propositions or as coreferents of objects depicted in a previously inspected picture. The decision time data present a difficulty for existing models of sentence verification tasks, with an inconsistent pattern of differences between true and false trials. 相似文献
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