50 articles dealing with stages of group development over time are separated by group setting, as follows: therapy-group studies, T-group studies, and naturaland laboratory-group studies. The stages identified in these articles are separated into those descriptive of social or interpersonal group activities and those descriptive of group-task activities. Finally, 4 general stages of development are proposed, and the review consists of fitting the stages identified in the literature to those proposed. In the social realm, these stages in the developmental sequence are testing-dependence, conflict, cohesion, and functional roles. In the task realm, they are orientation, emotionality, relevant opinion exchange, and the emergence of solutions. There is a good fit between observed stages and the proposed model. Further study of temporal change as a dependent variable via the manipulation of specific independent variables is suggested.

The purpose of this review was to examine published research on small-group development done in the last ten years that would constitute an empirical test of Tuckman's (1965) hypothesis that groups go through the stages of "forming," "storming," "norming," and "performing." Of the twenty-two studies reviewed, only one set out to directly test this hypothesis, although many of the others could be related to it. Following a review of these studies, a fifth stage, "adjourning," was added to the hypothesis, and more empirical work was recommended.

The purpose of this study was to develop a self-report measure of procrastination tendencies and to investigate its relationship to a behavioral measure of procrastination and to a self-report measure of general self-efficacy. In a pilot study, the 72-item scale in a 4-point Likert-type response format was developed and administered to 50 college juniors and seniors. A factor analysis of the results yielded two factors which formed the basis for reducing the scale to 35 items with a resulting reliability of .90. The relationship between scores on the 35-item instrument and performance on a self-regulated performance task called the Voluntary Homework System (VHS) yielded a correlation of -.54, and a coefficient of -.47 was observed between the 35-item scale and the General Self-Efficacy Test (GSE; both correlations of p < .001). The correlation between GSE and VHS scores was .29 ( p < .05). In a subsequent study of 183 college students, a factor analysis of scores on the 35-item scale yielded a single-factor structure and a condensed scale of 16 items with a reliability of .86. This shortened version of the procrastination scale was recommended for use as a means of detecting students who may tend to procrastinate in the completion of college requirements.

Cognitive and metacognitive strategies, often referred to as "study skills," are considered essential to being successful in college. Their importance is underscored by the fact that academic tasks at the college level tend to demand far more higher-level thinking and independent learning than those encountered in secondary school (Carson, Chase, Gibson, & Hargove, 1992). Instruction in these strategies is currently the subject of much interest and research in education. An example of a general approach to teaching learning strategies, labeled "learning-to-learn," has its basis in informational and generative models of learning, and its emphasis on self-regulated and strategic learning (Simpson, Hynd, Nist, & Burrell, 1997).

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This study compared the physical and psychological effects of running to those of the normal physical education program of activities among 154 fourth, fifth, and sixth graders who were randomly assigned to conditions within a true experimental design. The running program consisted of three 30-min sessions per week for 12 weeks in lieu of attendance in regular physical education classes. Findings showed that although boys tended to run faster than girls overall and that older children run faster than younger children, running-program participants performed better on an 800-m run, had lower pulse rates, and performed better on a test of creativity than did regular physical education participants. Running boys had less body fat, and running girls had more creative involvement in class. No differences were found on 50-m dash performance or perceptual skill. On total behavior, girls were more self-controlled than boys, and self-concept tended to become less positive with increased grade level. Running performance for 800 m persisted for 5 months among boys in the treatment, but not among girls. Running was judged effective for enhancing the cardiorespiratory health and creativity of school children.

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