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Biomedical subjects

J D Long

Publications and source records attributed to J D Long.

25 records · Page 2Linked to original sources
PubMed1988

Relationship of locus of control to life style habits.

This study contrasted the life style habits of college students who were high and low on different dimensions of locus of control. The Levenson Locus of Control Scale was used to assess three locus of control dimensions (Internality, Powerful Others, and Chance); the Tennessee Self-Description Form (TSDF) assessed four areas of life-style (Work, Social, Health, and Leisure). High and low groups were formed for each locus of control dimension by taking the top 20% and bottom 20% of the distribution (total N = 162). For all three locus of control variables, a significant interaction was obtained between the high-low group variable and the four areas of life style. The High Internals, Low Powerful Others, and Low Chance groups obtained significantly higher Work and Health scores than did their counterparts.

Adult↗
PubMed1976

The utility of self-management procedures in modifying the classroom behaviors of mentally retarded adolescents.

Self-management procedures including the self-recording of points, the self-graphing of progress, and the self-selecting of free time activities were applied to the classroom behaviors of 12-year-old educable mentally retarded subjects. Students were first awarded points for specified appropriate behaviors. Then during the last two treatment phases, they graphed their points earnings and used these points to earn free time activities. A multiple baseline design was used in appraising the comparative effects of these three treatment conditions during spelling and reading periods. All three treatment conditions produced higher rates of appropriate behavior than did baseline conditions; however, the highest levels of appropriate behavior were achieved during the self-selected free time phases.

Behavior Therapy↗
PubMed1973

The comparative effectiveness of group and individually contingent free time with inner-city junior high school students.

A major purpose of the study was to assess the relative effects of group versus individually contingent free time in modifying student behaviors. Other purposes were to determine the effectiveness of well-planned lesson activities and tokens without back-up reinforcers. Eight students in an inner-city seventh-grade class of 32 blacks served as subjects. Well-organized lesson activities and success feedback via tokens did not produce high levels of desirable behavior. In contrast, group and individually contingent free time produced substantially higher levels of appropriate behavior than did the baseline conditions. The group reinforcement procedure appeared to be slightly more effective than individual reinforcement.

Journal Article↗
PubMedDate not supplied

Eicosanoids and the esophagus.

Eicosanoids are metabolites of arachidonic acid and include, among other compounds, the prostaglandins and leukotrienes. These metabolites are known to play important roles in the health and disease of many gastrointestinal tissues. Less attention, however, has been given to their functions in the esophagus. The present study, therefore, aims both to review the current knowledge about eicosanoids in healthy and diseased esophagi, and to critically assess the data pertaining to their role in the pathophysiology of gastroesophageal reflux disease.

12-Hydroxy-5,8,10,14-eicosatetraenoic Acid↗