Because of the limited capacity of ________, it is unsafe to talk on a cell phone while driving on a freeway during rush-hour

Which of the following survey method results in the highest completion rate?

a) Personal interviews conducted in the participant's hom b) Personal interviews conducted via phone c) Mailed surveys d) Mailed surveys including a summary letter and prepaid return envelope

What is the primary advantage of using factorial designs over running many two-group

designs? A) You do not have to do a series of t tests. B) You can see how two IVs interact with each other. C) You can test more than one IV at a time. D) You can use random assignment for one IV and non-random assignment for the other IV.