Pilot study is carried out with two important criteria
A. Response error and standard error
B. Open end questions and large-scale survey
C. Large sample size and closed end questions
D. Structural interview and probabilistic sampling method
Answer:B
Pilot study is carried out with two important criteria
A. Response error and standard error B. Open end questions and large-scale survey C. Large sample size and closed end questions D. Structural interview and probabilistic sampling method