A researcher studies the relationship between political attitudes and income. The researcher finds that those with higher income are more conservative. The most likely confounding variable is

A discussion of prior research in the field can usually be found in

a. the introduction and method sections. b. the introduction and discussion sections. c. only in the methods. d. only in the discussion.

The Presidency: Office and Powers was written by __________

A)Ross Baker B) Arthur Schlesinger C) Clinton Rossiter D) Edward Corwin