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The purpose of the present study was to determine whether classroom thumbsucking could be controlled by making social reinforcement contingent upon appropriate behaviors incompatible with thumbsucking. The classroom thumbsucking behavior of three 8-yr-old elementary school children was observed and recorded by two observers. Sixteen experimental lessons were divided into sets of baseline, reinforcement, reversal, and representation of reinforcement. The effect of the experimental treatment was determined by the changes in the total thumbsucking level for each subject during each lesson. Results indicated noticeable decreases in thumbsucking rate for all three subjects during lessons in which social reinforcement was made contingent upon appropriate behavior. Two of the three subjects showed sudden increases in thumbsucking time during lessons when social reinforcement for appropriate responses was withheld; the third subject showed continued low thumbsucking time during these lessons. 相似文献
63.
Marital Therapy and Marital Power: Constructing Narratives of Sharing Relational and Positional Power 总被引:1,自引:0,他引:1
Scholars continue to emphasize in their conceptualizations of marital power the capacity to exert influence in the marital relationship based on the control of valued resources and status (positional power). Much less attention has been given to the capacity to exert authority in the marital relationship through the context of an intimate relationship and the opportunities for influence it provides (relational power). Strategies are suggested for co-authoring narratives with couples in the process of therapy that create opportunities for them to share these bases of power within their families in ways that free them from the negative constraints associated with cultural discourses about gender and power. 相似文献
64.
Anam Nyembezi Robert A.C. Ruiter Bart van den Borne Sibusiso Sifunda Itumeleng Funani Priscilla Reddy 《Psychology & health》2013,28(6):620-636
HIV voluntary counselling and testing (VCT) is a cornerstone of the national strategic plan for HIV/AIDS treatment, care and support in South Africa. However, research shows that the utilisation of VCT services is disappointingly low, particular among males. This article focuses on the factors associated with the intention to test for HIV-infection among recently initiated and traditionally circumcised men in the rural areas of Eastern Cape Province, South Africa. Individual face-to-face interviews were conducted among 1656 sexually active men. Logistic regression analyses were used to explore the association between intention to test for HIV and psychosocial factors. Overall, 35.1% of the participants reported ever having tested for HIV. Intention to test for HIV was positively associated with perceived probability of getting an STI, positive attitudes towards gender-based violence, received general teachings about being a responsible man and highest grade passed. These findings provide specific information that can be used in the development of a focused cultural sensitive STI/HIV prevention programme aimed to increase VCT uptake among sexually active young men, which can be integrated into initiation and health education practices. 相似文献
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This paper focuses on setting up a system for developing and displaying multimedia classroom presentations that is both economical and easy to learn. Four separate aspects of the process are considered: (1) a hardware configuration to serve both the development and display processes, (2) selecting authoring software and learning to use it, (3) presentation development including locating and acquiring multimedia resources appropriate to psychology, and (4) some of the problems that can be expected to arise in both development and use of multimedia presentations. Some discussion of interactive courseware is included. 相似文献
67.
Two experiments examined forced-choice associative recognition for OLAP and NOLAP test conditions. OLAP test trials consist of pairs with overlapping items (e.g., AB vs. AD), whereas NOLAP test trials contain no overlapping items (e.g., AB vs. CF). Previous results show better performance for NOLAP than for OLAP tests, contrary to the predictions of global memory models. The present experiments varied list length to examine the hypothesis that the NOLAP advantage is produced by recall-like retrieval processes. The use of longer lists either eliminated (Experiment 1) or greatly reduced (Experiment 2) the NOLAP advantage. However, a reliable OLAP advantage was not obtained. Implications for models are discussed. 相似文献
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Richard L. Gregory Priscilla F. Heard 《The Quarterly Journal of Experimental Psychology Section A: Human Experimental Psychology》1983,35(1):217-237
Helmholtz (1867) described as “irradiation” the apparently greater size of a white compared with a dark square, or disc or whatever of the same physical size. The illusory size difference is reversed at low contrasts (Weale, 1974). It is also known that rapid increases in brightness gives apparent movement (gamma movement), though there is no agreed explanation for either phenomenon.
When narrow bordering stripes are added, further systematic phenomena occur. With intensity modulation of an edge-striped grey rectangle, which has a dark stripe on the left side and a light stripe on the right (which is similar to figures used by Stuart Anstis and Brian Rogers), the entire figure shifts, with reversed motion when the background luminance is modulated. By presenting a pair of such figures, mirror reversed one to each eye and fused stereoscopically, the question may be asked: Do these illusory shifts produce stereo depth? The answer is surprising: stereo is produced-but at the cross-over with luminance of the central grey rectangle with the background the depth change is opposite to that given by normal, non-illusory, opposed lateral shifts. We interpret this anomalous stereo depth as a switch of which edges of the stripes are fused, with the change of relative contrast of the edges of the dark and light stripes as the figure-background contrast is changed.
Measures of static shift, lateral movement, and stereo depth, give somewhat different functions. These are considered in terms of different signalled positions, stereo depth, and movement. This study brings out the importance, for explaining such perceptual anomalies, of distinguishing between neural signal channel characteristics and which stimulus features from the display are selected and accepted for perception. Although conceptually clearly distinct these are all too easily confused in psycho-physical experiments. 相似文献
When narrow bordering stripes are added, further systematic phenomena occur. With intensity modulation of an edge-striped grey rectangle, which has a dark stripe on the left side and a light stripe on the right (which is similar to figures used by Stuart Anstis and Brian Rogers), the entire figure shifts, with reversed motion when the background luminance is modulated. By presenting a pair of such figures, mirror reversed one to each eye and fused stereoscopically, the question may be asked: Do these illusory shifts produce stereo depth? The answer is surprising: stereo is produced-but at the cross-over with luminance of the central grey rectangle with the background the depth change is opposite to that given by normal, non-illusory, opposed lateral shifts. We interpret this anomalous stereo depth as a switch of which edges of the stripes are fused, with the change of relative contrast of the edges of the dark and light stripes as the figure-background contrast is changed.
Measures of static shift, lateral movement, and stereo depth, give somewhat different functions. These are considered in terms of different signalled positions, stereo depth, and movement. This study brings out the importance, for explaining such perceptual anomalies, of distinguishing between neural signal channel characteristics and which stimulus features from the display are selected and accepted for perception. Although conceptually clearly distinct these are all too easily confused in psycho-physical experiments. 相似文献
70.