Question: Referencing Exercise, imagine that physical distance is assessed as within 100 miles, or 100 miles or farther; also, imagine that emotional distance is assessed as knowing no one who was affected, knowing people who were affected but lived, and knowing someone who died in the events. How many levels do the independent variables have?
Exercise: A researcher might be interested in evaluating how the physical and emotional "distance" a person had from Manhattan at the time of the 9/11 terrorist attacks relates to the accuracy of memory for the event. Identify the independent variables and the dependent variable.