Unstructured interviews are most appropriate for

Unstructured interviews are most appropriate for
 
  a. testing a hypothesis in a descriptive study.
  b. bringing social research closer to the standards of scientific research.
  c. preliminary exploration of pertinent questions in a research study.
  d. obtaining more precise data in the latter stages of a research study.

Ques. 2

Mr. Delmar, a health teacher, just read a research article that reported the importance of attention to a student's ability to learn something new. The next day he arrived in class wearing a skintight body suit illustrated with each of the organs in order to deliver a lecture on how systems in the body work. Mr. Delmar has attempted to combine
 
  a. health with fashion.
  b. art with science.
  c. teaching with bad performance art.
  d. unrelated principles.

Ques. 3

The method(s) used most often in assessing the score validity of questionnaires require(s) the use of
 
  a. a follow-up interview. c. equivalent forms of the questionnaire.
  b. direct observation of behavior. d. a and b