Suppose you carried out a study to assess whether there is a genetic component to “sense of humor.” To conclude that genetics plays a role, you would want to find that a. DZ twins are more similar in...

Suppose you carried out a study to assess whether there is a genetic component to “sense of humor.” To conclude that genetics plays a role, you would want to find that

a. DZ twins are more similar in their sense of humor than MZ twins.

b. DZ twins always have better senses of humor than MZ twins.