1. True- because scientific theory means that <span>idea supported through research that attempts to explain existing observations or predict new ones.</span>2. False- because a cross-sectional means that its a study that is about different groups.
3. B-<span>An extraneous variable clarifies the relationship between the independent and dependent variables.</span>
A. Boundary violation
Good relationships should be full of the other three things!
Explanation:
everything can be found in the picture above. hope it helps.
C. Gender Ability
Due to the fact that your gender doesn't affect your IQ!