Exploratory studies a. usually involve probability sampling ...

[kodithompson]

Exploratory studies
 a. usually involve probability sampling plans.
  b. usually use structured questionnaires.
  c. use a formal design.
  d. are characterized by flexibility.
  e. require a clear, precise statement of the research problem.

Question 2

An exploratory study is NOT productively used to
 a. clarify concepts.
  b. establish priorities for further research.
  c. increase the analyst's familiarity with the problem.
  d. formulate a problem for more precise investigation.
  e. describe the characteristics of certain groups.

[taylorsonier]

Answer to Question 1

D

Answer to Question 2

E