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Researchers wanted to study the effects on writing skills of college students of a computerized work-processing course compared to the traditional composition course. Students were assigned alternately to one of the two programs as their registration card appeared.1. Writing skill was the a. independent variableb. dependent variablec. control variabled. double blind2. The two types of composition courses are the a. independent variablec. control variabled. double blind17. the subjects could best be described as a arandom sampleb. placebo and conrol groupsc. group matchedd. nonfounding variables18. the research could best be describes as a. ex post facto researchb. naturalistic observationc. an experimentd. a corrolation study
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