For each of the following hypotheses, identify the likely dependent variable and a likely way of operationalizing that dependent variable. Be specific.

a. Teenagers are better at video games than are adults in their 30s.
Answer:
b. Spanking children leads them to be more violent.
Answer:
c. Weight Watchers leads to more weight loss if you go to meetings than if you participate online.
Answer:
d. Students do better in statistics if they study with other people than if they study alone.
e. Drinking caffeinated beverages with dinner makes it harder to get to sleep at night.

So what have you got so far ?