Which statement illustrates a causal hypothesis?
A) Students who get more sleep do better on tests.
B) The amount of alcohol consumed will influence the ability to walk a straight line.
C) There is a relationship between the number of hot dogs people eat and their rate of cancer.
D) Shorter men tend to have higher incomes than taller men.

Question

Quizplus · Accepted Answer

A causal hypothesis suggests that one variable directly affects another. In choice B, it is suggested that the amount of alcohol consumed directly influences the ability to walk a straight line, indicating a cause-and-effect relationship.

Which Statement Illustrates a Causal Hypothesis