The Use and Interpretation of Quasi-Experimental Studies in Medical Informatics PMC
Table Of Content BROWSE BY CATEGORY Research Methods in Psychology – 2nd Canadian Edition Example of Quasi-Experimental Designs Qualitative Research Methods Case Study – Methods, Examples and Guide Part 2: “quasi-experimental” designs used by health care evaluation researchers Imagine, for example, a researcher who is interested in the effectiveness of an antidrug education program on elementary school students’ attitudes toward illegal drugs. The researcher could measure the attitudes of students at a particular elementary school during one week, implement the antidrug program during the next week, and finally, measure their attitudes again the following week. The pretest-posttest design is much like a within-subjects experiment in which each participant is tested first under the control condition and then under the treatment condition. It is unlike a within-subjects experiment, however, in that the order of conditions is not counterbalanced because it typically is not possible fo