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5 / 5 ptsQuestion 4A researcher studies the effect upon dental caries formation of a year-longregimen of daily rinsing with a particularly noxious-flavored oral solution, only todiscover than 285 of the 300 subjects in the study have withdrawn from it by theend of the first month. Which step in the research process was not properlyundertaken?Performing a pilot studySelecting study variablesDefining the purposeConducting the literature review
A pilot study is commonly defined as a smaller version of a proposed studyconducted to refine the methodology. It is developed much like theproposed study, using similar subjects, the same setting, the sametreatment, and the same data collection and analysis techniques. Some ofthe reasons for conducting pilot studies are to determine feasibility, todevelop a treatment or intervention, to develop an implementation protocol,to identify problems with the design, to evaluate the sampling method, toexamine instrument reliability or validity, to refine instruments, to refineplans for data collection and analysis, to provide research experience, andto evaluate data analysis techniques.p. 545 / 5 ptsQuestion 5A researcher conducting a study to examine linkages among age, gender, driver’slicense suspension, and zip code poverty, educational level, and income, sourcedfrom the records of the State Department of Motor Vehicles, is using which of thefollowing types of research?