MEASUREMENT AND QUESTIONNAIRE CONSTRUCTION:
SOME PRINCIPLES FOR ASKING QUESTIONS. Questions vs. statements (e.g., likert scale type items). Open-ended vs. closed-ended questions. Make items clear. (Pretest the questionnaire to test for clarity of questionnaire items.) Avoid Double-Barrelled Questions.
Respondents Must Be Competent to Answer. Questions Should be Relevant. Short Items Are Best. Avoid Negative Items. Avoid Biased Items and Terms.
MEASUREMENT Single vs. Multiple Indicators Reliability and Validity
QUESTIONNAIRE FORMAT Formats for Responses ORDERING OF THE QUESTIONS
FACTORS AFFECTING THE RESPONSE RATE OF MAIL SURVEYS