_________ variables are variables that influence all participants and cause the experimental results to be less clear

Senators are re-elected every ___ years with 1/3 of the Senate being up for election every 2 years.

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

Because of the frequency with which members of the House of Representatives must seek reelection, we can expect them to __________.

A. be more responsive to the needs of their constituency B. be less responsive to the needs of their constituency C. be more responsive to the needs of interest groups D. emphasize policymaking at the expense of representation