A Researcher Is Interested in the Effect of Going Through

Multiple Choice

A researcher is interested in the effect of going through a terrorist attack on the attitude of police officers about the goodness of people in New York City. After the attack, police may hold more positive attitudes about people (because of various acts of heroism and altruism exhibited by residents) or more negative attitudes because of negative outcomes (looting and dishonesty after the event) . What type of hypothesis should the researcher make?

A) directional
B) significant
C) percentile
D) nondirectional