A fundamental challenge to psychological research is the measurement of cognitive processes uncontaminated by response strategies resulting from different testing procedures. Test-free estimates of ability are vital when comparing the performance of different groups or different conditions. The current study applied several sets of measurement models to both forced-choice and yes-no recognition memory tests and concluded that the traditional signal-detection model resulted in distorted estimates of accuracy. Two-factor models were necessary to separate memory sensitivity from response bias. These models indicated that (a) memory accuracy did not differ across the tests and (b) the tests relied on the same underlying memory processes. The results illustrate the pitfalls of using a single-component model to measure accuracy in tasks that reflect 2 or more underlying processes.
Social physique anxiety is a feeling of distress associated with the perceived evaluation of one's physical self. Since its inception, the construct has been associated with a variety of exercise-related constructs including perceived competence, self-consciousness, and the exercise milieu individuals choose. The present purpose was to relate social physique anxiety to participants' attitudes toward exercise, adherence behaviors, participation motivation, personality variables, and emotional attitude toward exercise, 326 university fitness-center participants were surveyed and asked for demographic information, to self-report their exercise habits, and to answer questions measuring the construct, motivation, personality, and attitudes toward exercise. Women had higher scores on the Social Physique Anxiety Scale than men; individuals who scored high were more likely to endorse extrinsic motives for exercise than individuals scoring low on the scale, and high scores were indicative of higher public body awareness. Individuals with high scores on the Social Physique Anxiety Scale exhibited an emotional profile similar to addicted exercisers. Given these results, implications for alleviation of such anxiety were discussed.
Recently researchers have focused attention on understanding the relationship between motivation to participate and affective states associated with adherence to exercise and psychological outcomes of participation. It was hypothesized that intrinsic motivation toward an activity will heighten the associated positive affect, thereby leading to increased participation and higher perceived competence and satisfaction. The presently devised models tested the above hypothesis with 130 college students enrolled in psychology classes. They were asked to complete the Motivation for Physical Activity Measure, the Sport Enjoyment Questionnaire, and general demographic questions assessing adherence to exercise and perceived competence and satisfaction. Partial support for these path models was shown as intrinsic motivation was a predictor of affect and perceived competence and satisfaction, while extrinsic motivation predicted adherence for men only. These results provide a model to enhance the understanding of exercise-related behavior in the general population and the study of the relationship of motivation with affect toward exercise.
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