3562PsychologyMedium
Two variables may be said to be causally related if:
Athey show a strong positive correlation
Bthey are observed to co-vary on many separate occasions
Call extraneous variables are controlled and the independent variable creates consistent differences in behavior of the experimental group
Dthey have been observed in a laboratory setting
Correct answer
C. all extraneous variables are controlled and the independent variable creates consistent differences in behavior of the experimental group
Explanation
The correct answer is all extraneous variables are controlled and the independent variable creates consistent differences in behavior of the experimental group.