A Researcher Conducts a Pilot Study Before the Main Study

A researcher conducts a pilot study before the main study is conducted. Why might the researcher choose to do this?

A) The researcher has no idea whether subjects will complete the various phases of the study.
B) The researcher needs to know how much of a change will occur in the dependent variable, so that sample size can be determined.
C) The researcher isn't sure whether the fourth phase of the study is really necessary.
D) The study site is a new one, and the researcher wants to find out whether it's suitable for this kind of research.e.The researcher has insufficient funding for a large study.
F) The researcher isn't sure whether the tool used to measure the dependent variable will be practical.
G) The researcher doesn't know whether subject recruitment will be a problem.

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