On september 12, 2001, psychologists jennifer talarico and david rubin (2003) had duke university students complete questionnaires about how they learned about the terrorist attacks against the united states on the previous day. for comparison, students also described some ordinary event that had occurred in their lives at about the same time, such as going to a sporting event. students were then randomly assigned to a follow-up session either 1 week, 6 weeks, or 32 weeks later. this research study was designed to: