Consider a research study where participants are asked about…
Consider a research study where participants are asked about their stress levels in response to reading a passage about the Pentagon attack on 9/11. Dr. N, who was in her late 20s when 9/11 occurred, watched on TV in real time as the Twin Towers fell. An 18-year-old college student was not yet born for 9/11. As a result of effects, Dr. N will likely report higher stress levels than an 18-year-old college student.