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ERIC Number: EJ792789
Record Type: Journal
Publication Date: 2004
Pages: 8
Abstractor: Author
Reference Count: 15
ISBN: N/A
ISSN: ISSN-1055-6699
The Use of Statistics in the "American Journal of Health Education" from 1994 through 2003: A Content Analysis
Merrill, Ray M.; Stoddard, Julianne; Shields, Eric C.
American Journal of Health Education, v35 n5 p290-297 Sep-Oct 2004
This study identifies the extent that knowledge of selected study designs and elementary statistical techniques may assist readers in understanding the statistical component of articles in the "American Journal of Health Education." The frequency of and trend in use of selected statistical research designs and statistical methods is reported, based on 366 research and review articles in Volumes 25 to 34, covering 1994 to 2003, of the "Journal." Almost 85% of the articles employed a descriptive study design. An increase in cross-sectional surveys which was offset by a decrease in review articles over the study period characterized almost all of the descriptive study designs. Analytic study designs were represented primarily by clinical trials and quasi-experiments. Their use did not significantly increase over the study period. While descriptive statistics were present in over 83% of the articles, many other articles relied on statistics beyond the descriptive statistics, such as statistics associated with model validation (33.1%), the chi-square test (25.4%), ANOVA (17.2%), T-test/Z-test (16.9%), the Pearson correlation coefficient (15.3%), and the F-test (13.1%). Beyond these, no other statistical methods stand out from the rest as being favored among the authors of the "Journal." Epidemiologic statistical methods were less frequently used. The estimated annual percent change in the percentage of studies not employing statistical methods was -12.71 (95% CI: -23.23, -0.76). A significant increase in use was observed for measures of central tendency/dispersion, ANOVA, Pearson correlation coefficient, and the use of validity/reliability statistics for instrument validation. (Contains 2 figures and 3 tables.)
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Publication Type: Journal Articles; Reports - Evaluative
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A