2537PsychologyMedium
A researcher has children watch 30 minutes of violent television, and then counts the number of times they hit each other afterward in a one-hour play period as a measure of aggression. The researcher causes aggression, however this conclusion may be invalid because:
Athere was no control group
Ball children are prone to aggressive behavior
Caggression wasn’t operationally defined
Dit is unethical to force children to watch violent television
Correct answer
A. there was no control group
Explanation
The correct answer is there was no control group.