to the measurement of student opinion regarding health concept and media advertisement as measured by a researcher-designed questionnaire. Whether findings would generalize to other research instruments cannot be known on the basis of the findings of this study.
(3) The study does not sample all items in the health and advertisement domain. Rather, the study is restricted to examination of students' concepts of health, and to radio, print, and television ads for diet food/weight loss programs, food and drink, vitamins, and beauty products. Whether findings generalize to other measures of health or other forms of media ads or categories of adds cannot be known on the basis of this study's findings.
The proposed study consists of survey research which is to say that the research approach is descriptive in nature. Descriptive research, however, is at best quasi-experimental in nature (Best, 1981). This means that the approach does not allow for control of extraneous (nonmanipulated, uncontrol
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