If you have two main effects, and one main effect is significant, this means that .

a. the interaction effect must not be significant.

b. the other main effect and the interaction effect may or may not be significant.

c. the other main effect must be significant.

d. the interaction effect must be significant.

well since twins have about the same dna they dont have one think in common which is the figer print. nobodys fingerprint is the same. if your using twin you would most likely get around the same results for both of them because of the genetics.. i hope this

answer; empathy;

answer; interpreting someone's past consistent with present deviance;