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.
1. Emotions can play a complex role in rational choice theories. Rational choice theory assumes that people make decisions by logically weighing
1. Emotions can play a complex role in rational choice theories. Rational choice theory assumes that people make decisions by logically weighing costs and benefits. However, emotions can inform preferences, guide decision-making, signal commitment, and affect one’s perception of risks and rewards. They help to shape what a person values