Open-ended questions are more appropriate for

Open-ended questions are more appropriate for
 
  a. preliminary studies
  b. large-scale studies
  c. follow-up studies
  d. studies in which you don't want respondents to have to think too hard

Question 2

An advantage of open ended questions is that
 
  a. You must categorize apriori
  b. You cannot decide your statistical analysis in advance
  c. They are easier to code
  d. It is more likely that the questionnaire will discover something unanticipated

Question 3

A major advantage of open ended questions is that
 
  a. answers are easier to code
  b. respondents do not have to think as hard
  c. they allow respondents to expand on their answers
  d. they lessen the chances that a clerical error will be made when coding the data