Allie Has Developed a Theory Concerning Test Grades of High

Multiple Choice

Allie has developed a theory concerning test grades of high school students.She believes that there is a strong causal relationship between students' frequency of study and their grades in school.In the context of psychology's scientific method,in order to test her theory,Allie would first have to state a _____.

A) conclusion
B) bias
C) fact
D) hypothesis