Discuss each of the different type of validity as it applies to a measurement instrument such as the Perceived Stress Scale (http://www.psy.cmu.edu/~scohen/PSS.html). Discuss the face validity and the construct validity of this measure.
Describe the likely roles to be played by police agencies with respect to terrorism in the future. How can local police agencies support
Describe the likely roles to be played by police agencies with respect to terrorism in the future. How can local police agencies support counterterrorism efforts? What are potential concerns around local police agencies’ counterterrorism efforts?




