5 options: Suppose you are interested in determining the possible effects of shock on memory of verbal material. Is there a difference in memory by shock condition? To test this idea, you randomly assign participants to one of three shock conditions: no shock, mild shock, and strong shock. The various shock levels are introduced during the learning period and then all participants complete a verbal retention test in which you record their retention of the material presented in the learning phase. ___________ is the dependent variable in this problem. ___________ is the independent variable in this problem. ___________ is the appropriate statistical test to use for this