Which of the Following Statements Is True of Pilot Studies

Multiple Choice

Which of the following statements is True of pilot studies?

A) They serve as a guide for conducting larger main studies.
B) They are most commonly associated with causal experimental research designs.
C) They are small-scale investigations restricted to 10 to 30 subjects.
D) They are primarily used to design pretests.
E) They are studies that require a minimum of 1,000 respondents.