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261.
The program development and first-year results of a 3-year U.S. Department of Education Fund for the Improvement of Postsecondary Education (FIPSE) grant are described. The identification of computerphobics and the types of discomfort they experience are defined. A clinically based 5-week model computerphobia reduction and skills-acquisition program is presented. Screening and assessment measures are outlined and three treatment modules—two individual treatments (systematic desensitization and thought stopping) and an information/support group—are described. The first-year results demonstrate significant pretreatment-to-posttreatment change in anxiety, attitudes, cognitions, and feelings. Plans are discussed for further evaluation and program expansion. 相似文献
262.
Letter-like targets (a circle and a square) were presented in one of two fixed and cued visual field locations and were shown alone, flanked by a noise stimulus on the peripheral side (side of target farthest from fixation), on the central side, or on both sides simultaneously. The adjacent target and noise stimulus borders had similar featural properties (both curved or both straight lines) or dissimilar properties (one being a curved line and one a straight line). Each of 10 subjects made a go, no-go response only when his or her designated target appeared in a display. The results showed: (1) single targets were discriminated more accurately and more rapidly than were targets shown simultaneously with noise stimuli, (2) targets having dissimilar border relationships with noise items were discriminated more accurately than were targets having similar border relationships, (3) targets in central-noise displays were discriminated more accurately and rapidly than were targets in peripheral-noise displays, and (4) there was no interaction between border relationships and noise position. The principal result relating to target-noise border featural relationship was consistent with predictions derived from models which place the locus of noise effects at the stage of stimulus feature extraction. Aspects of the results were, however, seen to be consistent with both feature extraction and response competition conceptualizations. 相似文献
263.
Stanley R. Kay 《International journal of psychology》1982,17(1-4):27-42
This paper evaluates studies that have used the Defining Issues Test for validating Kohlberg's theory of moral stage development. Although this test was introduced to overcome inadequacies with Kohlberg's procedure, it too encounters serious methodological and conceptual difficulties. Its limitations include truncation of the stages and age range assessed. The validation studies, both cross-sectional and longitudinal, have used a correlational design and confounded age with other variables. Threats to internal and external validity obviate support claimed for Kohlberg; moral reasoning thus measured seems a function of education, IQ, direct moral training, and cultural values rather than maturation. Nor is the stage model upheld by longitudinal data, which fail to reveal sequential stepwise change and belie occasional regression. Attempted redefinition of the stage concept to salvage these data has not rescued Kohlberg's proposal, which remains to be validated empirically. 相似文献
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Stanley S. Pliskoff 《Journal of the experimental analysis of behavior》1963,6(4):557-562
Two pre-schedule-change stimuli were superimposed on the same VI baseline and were thereby equated with respect to reinforcement potential. One such stimulus preceded a transition to an extinction schedule or a VI schedule of lower reinforcement frequency while the other preceded a transition to a VI schedule of higher reinforcement frequency. It was found that response rate during the warning stimulus was greater preceding the transition to the lower reinforcement frequency than it was preceding the transition to the higher reinforcement frequency. That difference was often evidenced by an absolute increase and decrease in rate, in conformity with previous findings on the topic. The present experiment extends previous findings in several ways, including the presentation of quantitative estimates of the effects. 相似文献