A researcher studies the effect upon dental caries formation of a year-long regimen of daily rinsing with a particularly noxious-flavored oral solution, only to discover that 285 of the 300 subjects in the study have withdrawn from it by the end of the first month. Which step in the research process was not properly undertaken?

Question

Quizplus · Accepted Answer

Performing a pilot study likely was not properly undertaken. A pilot study could have revealed the high dropout rate due to the noxious flavor of the oral solution, allowing the researcher to adjust the study design or solution before the full-scale study.

A Researcher Studies the Effect Upon Dental Caries Formation of a Year-Long