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931.
Scott P. Ardoin Brian K. Martens Laurie A. Wolfe 《Journal of applied behavior analysis》1999,32(3):339-351
Making efficient transitions from one instructional activity to another has been shown to increase academic learning time and therefore student achievement. Because compliance with teacher instructions is a prerequisite for efficient transitions, we sought to determine if high-probability (high-p) instruction sequences issued by a classroom teacher would increase student compliance and decrease latency to comply during transitions. Three children in a regular second-grade classroom participated. Each day at the beginning of morning calendar time, the teacher issued five instructions to the class as a group while compliance data were recorded for the 3 target students. Following baseline, a multielement design was used to examine the effects of the high-p instruction sequence. We then systematically faded the number of instructions included in the high-p sequence as a means of transferring stimulus control to low-probability instructions. The procedure was effective for 2 of the 3 participants, and the results were maintained at 2-and 3-week follow-up. The implications of these findings for group applications of the high-p instruction sequence in regular education classrooms are discussed. 相似文献
932.
The present study investigated the relationship of reaction time with the plasma concentration of four different formulations
of diazepam (liquid, original, new, and generic). On four separate days, over a 4-month period, subjects with normal gastric
pH (N=7) were administered each of the diazepam formulations. Blood samples were obtained prior to each dose and at subsequent
intervals. Likewise, reaction times were evaluated prior to dosing and then at ten different intervals post-dosing. As hypothesized,
reaction time performance was associated with plasma diazepam concentration, regardless of formulation type. This suggests
that reaction time is a sensitive measure of cerebral functioning for individuals who are treated with diazepam. In addition
to providing a measure of drug effects on cognitive functioning, the results of this study have implications concerning possible
hazards of operating machinery or driving motor vehicles for individuals being treated with diazepam. 相似文献
933.
Group diversity researchers are often faced with the problem of calculating diversity indices for groups that are incomplete
due to participant nonresponse. Because participant nonresponse may attenuate the correlations that are observed between group
diversity scores and outcome variables, some researchers use group-retention rules based on within-group response rates. With
this approach, only those groups that have a within-group response rate at, or higher than, the rate prescribed by the group-retention
rule are retained for subsequent analyses. We conducted two sets of experiments using computer simulations to determine the
usefulness of group-retention rules. We found that group-retention rules are not a substitute for a high response rate and
may decrease the accuracy of observed relations, and consequently, we advise against their use in diversity research. 相似文献
934.
Aim: This study considers the question of whether inpatient admission for anorexia nervosa was a therapeutic experience for two women with chronic anorexia nervosa. The question of whether inpatient admission for anorexia nervosa can be therapeutic is not answerable through existing research evidence. Method: The women were interviewed about their experience of having anorexia, its impact on their lives and the treatment they received. The interviews involved learning about the women's experiences by listening to their stories rather than asking them direct questions about what has been therapeutic about their treatment. Analysis: Their narratives were used to develop understanding grounded in experience and were analysed using a narrative thematic analysis. Ideas, themes and connections were noted but not coded as found in some forms of thematic analysis. Discussion: Consideration is given to the therapeutic qualities of the treatments the women received and the place of therapeutic inpatient admission. The central theme of this research was ‘relationships’ which indicates the use of therapeutic approaches that emphasise the importance of the therapeutic relationship in the treatment of chronic anorexia nervosa. It is suggested that psychodynamic and attachment theories should be used to inform overall treatment models. Some important issues for service provision and areas for further research are identified. 相似文献
935.
The psychological basis of ownership is a neglected area of research; the authors consider twenty-one disparate reasons why it is worth investigating. 相似文献
936.
Hills PJ Ross DA Lewis MB 《Journal of experimental psychology. Human perception and performance》2011,37(5):1396-1406
Inversion disproportionately impairs recognition of face stimuli compared to nonface stimuli arguably due to the holistic manner in which faces are processed. A qualification is put forward in which the first point fixated on is different for upright and inverted faces and this carries some of the face-inversion effect. Three experiments explored this possibility by using fixation crosses to guide attention to the eye or mouth region of the to-be-presented faces in different orientations. Recognition was better when the fixation cross appeared at the eye region than at the mouth region. The face-inversion effect was smaller when the eyes were cued than when the mouth was cued or when there was no cueing. The results suggest that the first facial feature attended to is important for accurate face recognition and this may carry some of the effects of inversion. 相似文献
937.
We examine the mechanisms that support interaction between lexical, phonological and phonetic processes during language production. Studies of the phonetics of speech errors have provided evidence that partially activated lexical and phonological representations influence phonetic processing. We examine how these interactive effects are modulated by lexical frequency. Previous research has demonstrated that during lexical access, the processing of high frequency words is facilitated; in contrast, during phonetic encoding, the properties of low frequency words are enhanced. These contrasting effects provide the opportunity to distinguish two theoretical perspectives on how interaction between processing levels can be increased. A theory in which cascading activation is used to increase interaction predicts that the facilitation of high frequency words will enhance their influence on the phonetic properties of speech errors. Alternatively, if interaction is increased by integrating levels of representation, the phonetics of speech errors will reflect the retrieval of enhanced phonetic properties for low frequency words. Utilizing a novel statistical analysis method, we show that in experimentally induced speech errors low lexical frequency targets and outcomes exhibit enhanced phonetic processing. We sketch an interactive model of lexical, phonological and phonetic processing that accounts for the conflicting effects of lexical frequency on lexical access and phonetic processing. 相似文献
938.
This study tests the immediate impact of two interventions for intimate partner violent (IPV) men in affecting behavioral and emotional change during arguments with their partners. Couples with an abusive male partner (N = 100) discussed an area of conflict twice, interrupted by a brief intervention. Men were randomly assigned to receive (a) an editing-out-the-negative skills training, (b) an accepting influence skills training, or (c) a time-out. IPV men in both skills-training conditions showed greater decreases in aggressive feelings than IPV men in the time-out condition based on their self-report and observed affective behavior. Women also reported feeling less aggressive when their husbands were assigned to one of the skills-training conditions as compared to the control (time-out) condition. Results suggest that IPV men can learn to adopt new communication skills and that they do appear to have a positive impact on the emotional tone of their arguments. Clinically, communication skills training may be a useful addition to battering intervention programs, although these skills may need to be taught to both men and women involved in violent relationships. 相似文献
939.
Gabriell E. Prinsloo H. G. Laurie Rauch Michael I. Lambert Frederick Muench Timothy D. Noakes Wayne E. Derman 《Applied cognitive psychology》2011,25(5):792-801
The aim of this study was to examine the effect of 10 minutes of heart rate variability (HRV) biofeedback on cognitive performance and affect scores during induced stress. Eighteen healthy male volunteers (aged 23–41 years) exposed to work‐related stress, were randomised into an HRV biofeedback intervention (BIO) and a comparative intervention group (COM). Subjects completed a modified Stroop task, which included having to mentally count 18 white squares randomly presented between colour words, before and after a 10‐minute intervention. Subjects also completed questionnaires to rate their anxiety. BIO subjects improved their reaction times and consistency of responses, and made fewer mistakes in counting squares during the modified Stroop task. They also felt more relaxed, less anxious and less sleepy than the COM subjects. In conclusion our results suggest that short duration HRV biofeedback is associated with improved cognitive performance while concurrently aiding relaxation. Copyright © 2010 John Wiley & Sons, Ltd. 相似文献
940.
J. W. Mullennix A. Ross C. Smith K. Kuykendall J. Conard S. Barb 《Applied cognitive psychology》2011,25(1):29-34
The effects of voice typicality on voice recognition were examined. In an incidental task, participants were presented with consonant‐vowel‐consonant stimuli (with varying vowels) spoken by voices rated as high‐typical or low‐typical. One week later, they were brought back for a surprise voice recognition test where the target voice was presented along with low‐typical and high‐typical voice distracters. The results indicated that voice misidentifications occur, with many errors due to confusions of high‐typical voice targets with high‐typical target voices. The results show that voice typicality affects voice recognition accuracy and is an important factor to be considered in real‐life earwitness testimony situations. Copyright © 2009 John Wiley & Sons, Ltd. 相似文献