3. A sample of registered voters was surveyed. Voters were asked to name their gender identity (male, female, other (specify here), prefer not to say) and then to name the candidate for whom they planned to vote (Doe, Jones, or Smith). The purpose was to explore gender differences in voting preferences. What are the variables in this study? What are the categories (attributes) for each variable? 4. A study examines the effect of poverty on child well-being. To understand this relationship the study measures annual parental income and whether the household receives food stamps. With a focus on the children, the study assesses number of times the child has been to the doctor in the past year, and whether the child is overweight or underweight for its age and height. How many concepts are there? How many variables are there? PART II: Identifying Dependent and Independent Variables 4. What is the dependent variable in example \#3? What is the independent variable in example \#3? 5. A researcher looked for the causes of social unrest by examining economic variables such as poverty, income, and so on. Is social unrest an "independent" or "dependent" variable? 6. The college admissions scores on the Scholastic Aptitude Test (SAT) were compared with students' freshmen GPA to determine how valid the SAT is for predicting GPAs. What is the dependent variable? What is the independent variable?.