Socialist writer Upton Sinclair won statewide nomination for California governor by representing which party?

______ programs allow parents to send their children to any public school in a particular area.

Fill in the blank(s) with the appropriate word(s).

To assess sample quality when you are planning or evaluating a study, which of the following is NOT a question you need to ask?

A. From what population were the cases selected? B. How large is the population? C. What method was used to select cases from this population? D. Do the cases that were studied represent, in the aggregate, the population from which they were selected?