The type of graph that would best display an interaction effect is:

Look at the research matrix below without column headings. If you wanted to have 10 participants for each condition, how many participants would you need for a between subjects factorial design?

Angry Angry Non-confrontational Confrontational Exciting Exciting Non-confrontational Confrontational Neutral Neutral Non-confrontational Confrontational a. 10 b. 20 c. 40 d. 60

Politically, Texas's teachers have been characterized by

a. disorganization and competition. b. coordination and cooperation. c. widespread support for unionization. d. their loyalty and ability to build alliances. e. their commitment to conservative political causes.