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The effect of informational feedback and graphing on reducing the number of arithmetic worksheet errors was investigated. The present study replicated and extended earlier findings with other populations (Journal of Applied Behavior Analysis, 1974, 7 , 547–555; 1970, 3 , 1–4; 1970, 3 , 235–240) to a first-grade classroom. Ten first-grade pupils (four males and six females) served in an ABAB design. During the feedback-only phase, subjects were provided informational feedback, in the form of a written number, on the number of errors made on individual arithmetic worksheets. The feedback-only phase lasted seven days and was followed by the feedback-plus-graphing phase, during which subjects graphed the number (of errors written at the top of the individual worksheet) daily on individual graphs on their desks. The feedback-plus-graphing phase lasted 10 days and was followed by a reversal to feedback only for 10 days. The final phase was a replication of the feedback-plus-graphing phase. All subjects showed a change in number of worksheet errors, in the predicted direction, during the feedback-plus-graphing phases. An overall mean difference of ?2.66 was found to be statistically significant (P < 0.01), using a Wilcoxson Matched-Pairs Sign Test. The results were interpreted as being empirical support for earlier findings in other populations. In addition, the present findings represented a successful extension of feedback and graphing interventions to the management of academic behaviors in a first-grade classroom. 相似文献
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Alder J Urech C Fink N Bitzer J Hoesli I 《Journal of clinical psychology in medical settings》2011,18(1):13-21
Relaxation exercises have become a standard intervention for individuals with anxiety disorders but little is known about their potential for anxiety relief during pregnancy. The purpose of this study was to examine psychoendocrine (i) baseline differences and (ii) changes after a standardized relaxation period in pregnant women with high versus low levels of anxiety. Thirty-nine third-trimester high and low anxious pregnant women performed active or passive relaxation while levels of anxiety, hypothalamic-pituitary-adrenal (HPA) axis and sympathetic-adrenal-medullary (SAM) system activity were assessed before and after the relaxation period. In women with high levels of trait anxiety, state anxiety (F(1,36)?=?8.3, p?=?.007) and negative affect (F(1,36)?=?7.99, p?=?.008) as well as ACTH (F(1,35)?=?9.24, p?=?.002) remained elevated over the entire course of the experimental procedure, the last indicating increased HPA axis activity. In addition, norepinephrine showed a constricted decrease of relaxation reflecting lower response of the SAM-system (F(1,37)?=?4.41, p?=?.043). Although relaxation exercises have become a standard intervention for individuals with anxiety, pregnant women with high levels of trait anxiety benefited less than women with low levels from a single standardized relaxation period. 相似文献
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Fink PW Kelso JA Jirsa VK de Guzman G 《Journal of experimental psychology. Human perception and performance》2000,26(2):671-692
By showing that transitions may be obviated by recruiting degrees of freedom in the coupled pendulum paradigm, the authors reveal a novel mechanism for coordinative flexibility. In Experiment 1, participants swung pairs of unconstrained pendulums in 2 planes of motion (sagittal and frontal) at 8 movement frequencies starting from either an in-phase or antiphase mode. Few transitions were observed. Measures of spatial trajectory showed recruitment effects tied to the stability of the initial coordinative pattern. When the motion of the pendulums was physically restricted to a single plane in Experiment 2, transitions were more common, indicating that recruitment delays--or even eliminates--transitions. Such recruitment complements transitions as a source of coordinative flexibility and is incorporated in a simple extension of the Haken-Kelso-Bunz (1985) model. 相似文献
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Evolutionary behavioral biology suggests that certain characteristics of the human face and body are important for mate preferences and are therefore subject to sexual selection. J. Weeden and J. Sabini identify a number of weaknesses in the association between traits' attractiveness and health. In contrast, the authors argue that (a) studies on preferences for physical characteristics that rely on 1 trait permit only limited interpretation, (b) limitations placed on J. Weeden and J. Sabini's review exclude important associations, (c) there are misconceptions in their treatment of some traits, and (d) their selected literature provides an inaccurate picture regarding effect size. The authors suggest that future research in this field should seek conceptual and methodological constancy in trait selection and in the evaluation of attractiveness- and health-related traits. 相似文献
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Alan M. Fink Patricia Grandjean Michael G. Martin Barrett G. Bertolini 《Journal of counseling and development : JCD》1978,57(2):80-83
Earlier rationales supporting peer counseling systems have emphasized possibilities of increased service delivery and innovative counseling models. An ongoing peer counseling program was studied through questionnaires administered to clients, teachers, the general student body, and peer counselors themselves. Specific attention was directed to numbers of students served. Distinctions between formal and informal counseling relationships and problem content areas are discussed. Results suggested the existence of two distinct service delivery systems. An informal system served large numbers of self-referred students and dealt primarily with personal-social problems. A formal system reached fewer students, relied upon staff referral, and addressed academic difficulties. Implications for the design of peer counselor programs with varying goals were discussed. 相似文献