Thaddeus Is a Graduate Student in a Health Psychology Program

Multiple Choice

Thaddeus is a graduate student in a health psychology program. He decides that for his dissertation project he is going to replicate one of his advisor's studies, but extend the original hypothesis. Instead of just investigating the role of exercise on risk for heart disease, he wants to examine how much exercise is optimally beneficial. To do so, he examines quantity and intensity of the exercise. Which of the following strategies is Thaddeus using to develop a good hypothesis?

A) the exception to the rule
B) a matter of degree
C) introspection
D) change in directionality