Social Security and Medicare are the two largest entitlement programs

Which of the following is a key difference between House and Senate races?

a. Overall spending on Senate races surpasses overall spending on House races. b. Super PACs are more involved in House races than in Senate races. c. House elections are more seriously contested than Senate elections. d. Senate elections are more seriously contested than House elections.

In a ____________ design, measurements of the independent and dependent variables are taken at approximately the same time, and the researcher does not control or manipulate the independent variable, the assignment of subjects to treatment or control groups, or the conditions under which the independent variable is experienced.

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