Answer:
a. True
Explanation:
As researcher is unable to replicate the idea or perspective of the respondent of questionnaire, a pre testing is very important for questionnair. Pre testing ia a method of detecting error with questionaire so that response do not get misinterpreted.
Precoded questions are refer to the question that researcher ask to the respondent of questionnaire, which need to be open ended and response need to be put into the category of most related option to get meaningful outcome.
