Part I: Indicate whether following measures use nominal, ordinal, interval, or ratio scale: - Whether a respondent has ever been employed - Course grades- A, B, C, D, F - The color of one's eyes - IQ score - Household size - Zip codes - Children in elementary school are evaluated and classified as nonreaders (0), beginning readers (1), grade-level readers (2), or advanced readers (3). - What is your ideal number of children?... - Please check the one category that best approximates your total family annual income, before taxes (Please check only one category): - A) under $10,000 - B) $10,000.01$20,000 - C) $20,000.01$30,000 - D) $30,000,01$40,000 - E) Over $40,000