Why can Dr. Nguyen draw cause and effect conclusions from this research? Explain why a subsequent correlational study could provide more information than Dr. Nguyen's study provides.
Assuming all mean differences are significant, was there an effect of watching the news? Explain your response with data from the graph.
Explain what conclusions could have been drawn if Dr. Nguyen used a measure of amygdala activation to measure responses of the groups.
Suppose the students are from different cultures. According to Paul Ekman's research, explain whether or not an observer would be able to recognize emotions from the s
expressions.
Identify the dependent variable that Paul T. Costa and Robert R. McCrae would assume was measured in this research.
Explain what a PET scan would indicate in the highlighted region of the brain when someone was participating in the three experimental groups.