The role of the hemispheres in closed loop movements

The purpose of these experiments was to determine if the two hemispheres play different roles in controlling closed loop movements. Subjects were asked to move to a narrow or wide target in the left or right hemispace. Reaction time (RT) was faster for the left arm of normals, only in the right hemispace, but there were no differences between arms in movement execution. Right but not left hemisphere stroke (CVA) patients showed longer RTs for the contralateral but not ipsilateral arm. The right CVA group's ipsilateral movement, especially to narrow targets was less accurate. The left CVA group's RT did not benefit from advanced information, but ipsilateral movement execution was normal. These results were discussed in terms of inter- as well as intrahemispheric control of programming and execution of closed loop movements.     

A comparison of methods for calculating a severe discrepancy

Given the substantial rise in the number of students identified as learning-disabled, increasing attention has centered on methods for determining a severe discrepancy between ability and achievement. Using scores from 86 learning disabilities referrals, we compared four such methods (a z-score discrepancy, an estimated true score discrepancy, an unadjusted regression procedure, and an adjusted regression procedure). Each student was evaluated with the WISC-R, PIAT, and K-ABC. A high degree of agreement was found between z-score and estimated true score difference approaches. Less agreement was found between the unadjusted regression procedure and the other methods. It was concluded that the four methods cannot be used interchangeably in the calculation of severe discrepancies. Of the four methods that were analyzed, the unadjusted regression procedure selected the smallest percentage of students.     

When category learning is holistic: A reply to Ward and Scott

A reply is presented to Ward and Scott’s (1987) recent reservations about the evidence for Kemler Nelson’s (1984) claims about when category learning is likely to be holistic. Focusing on the effect of intention, this paper suggests that: (1) contrary to Ward and Scott’s contention, a reanalysis of a critical set of original data continues to support Kemler Nelson’s claim of more holistic learning under unintentional conditions; (2) there is converging evidence for that claim; (3) Ward and Scott’s incidental learning data may diverge because of the inclusion of many weak learners; (4) Ward and Scott’s counterproposal makes some implausible and unsupported predictions; and (5) some of Ward and Scott’s reaction-time data are difficult to interpret. Still, a final discussion identifies some significant points of agreement with Ward and Scott.     

Covariation assessment in rank order data

Two experiments were conducted to investigate how individuals assess covariation with rank order data. In both studies, subjects were given sets of rank order data, each set consisting of ten items ranked on two characteristics, and were asked to estimate the degree of relationship for each set. Contrary to previous research, subjects' estimates of covariation in this task were quite sensitive to actual levels of correlation in the data and remained unaffected by simple variations in the way rank order data were presented. More importantly, it appeared that this sensitivity to covariation was due likely to the use of a simple heuristic referred to here as the total discrepancy heuristic. These findings are discussed in terms of the availability of simple heuristics in rank-ordered versus other types of data and the consequences of using such heuristics in decision-making contexts.     

Sex role development as a function of college experiences

The purpose was to evaluate the effect of college experiences on androgyny. One hundred and thirty-nine freshman and 57 senior women completed the Bem Sex Role Inventory (BSRI) as well as measures to assess precollege variables, including a biographical questionnaire, a life experience survey, a measure of parental identification, and parental sex role inventories. In addition, seniors completed measures that assessed college experiences. Almost all of the scales on the two precollege questionnaires that measured parental variables were found related to student's sex role. Consequently, all remaining relationships with sex role were examined with and without controlling for these parental scales. None of the variables that measured college experiences were found to be significantly related to sex role. The results did not support the hypothesis that seniors would assume a more masculine sex role than freshmen. However, the seniors did obtain significantly lower scores than freshmen on the BSRI Femininity scale.     

Rational-emotive therapy: A discussion of its applicability for deaf clients

This review was conducted to explore the feasibility of Rational-Emotive therapy as an approach to addressing the problems of providing mental health services to persons who have a severe hearing impairment. Informational resources dealing with the topics of Rational-Emotive Therapy and counseling with persons who are hearing impaired were reviewed. References indicated that RET is reasonably well suited to the task of counseling with clients who are hearing impaired, provided that appropriate modifications are incorporated. Specific modifications of RET are recommended and discussed.     

Effects of Positive and Negative Behavioral Feedback on Subsequent Attitude-Related Action

ABSTRACT This study examined the effect of positive and negative behavioral feedback on subsequent behavior The results indicate that positive and negative feedback concerning how well individuals have acted on their attitudinal in the past have different effects on subsequent behavior These effects are moderated by individual differences in self-monitoring and in the frequency with which an individual has acted on his or her attitude in the past–variables which can be seen as reflecting differences in the extent to which individuals see themselves as persons who act on their attitudes, either in general or in regard to a specific attitudes domain Implications of the findings for understanding the literature on labeling and on feedback about energy use are discussed, as are the practical implications for using behavioral feedback in an effort to increase attitude-related action     

Decision Making Versus Decision Implementation: An Action Control Approach to Exercise Adoption and Adherence1

Two studies were conducted, one involving adoption of an exercise program and the other involving adherence to an aerobics exercise program. Consistent with action control theory, it was hypothesized that (a) subjective expected utility theory would predict exercise intentions but not exercise behavior in each study; (b) exercise adoption (Study 1) and attendance at an aerobics class (Study 2) would be predictable from the intentions regarding these behaviors expressed by action-oriented but not state-oriented subjects; and (c) subjects who had engaged in planning in regard to exercising would be more likely to adopt an exercise program (Study 1) and would exercise more frequently (Study 2). The findings provide some support for all three hypotheses. Implications of this research are discussed in regard to the distinction between decision making and decision implementation or action control; the relative usefulness of an action-control versus an expectancy-value approach for behavior involving complex decision implementation over a long period of time; the value of action orientation as a moderator of intention-behavior relationships; and the role of planning in exercise behavior.     

Perpetuation of gender inequality: A content analysis of comic strips

One vehicle for the perpetuation of gender inequality is mass media. The form of mass media addressed in this article is comic strips. The underlying ideology is that gender inequality is detrimental. The article examines findings from two studies: an over-all comic-strip page study and an indepth study of three comic strips. Results from both analyses reveal that comic strips do perpetuate gender inequality. Findings show that men are represented far out of proportion to their true ratio in the population while women are represented far under their true proportion. It is shown that comic strips are reflective of American society in some ways but also give a distortion of reality — one detrimental to men and women. Guidelines are suggested for the correction of this situation.The author gratefully acknowledges the editorial assistance of Dr. Butler, Dr. Mirande, and Dr. Sagatun on this project.     

Stressful Job Demands and Worker Health: An Investigation of the Effects of Self-Monitoring1

The hypothesis that self-monitoring would moderate the relationship between work stressors and health was tested on a sample of 136 registered nurses. Results showed that subjects who were more other-directed and who were more concerned with situational appropriateness had more mental and physical distress when exposed to higher levels of work stressors.