2 points Sound questionnaire design principles should focus on all of the below areas, EXCEPT O the planning of issues with regard to how the variables will be categorized, scaled, and coded the general appearance of the questionnaire the hypotheses that need to be explained to the respondent O the wording of the questions 2 points What is the following scale type called? "Ugly 12 3 4 5 Beautiful O A numerical scale An itemized rating scale O A dichotomous scale A semantic differential scale