According to Sternberg, the couple who has been together for years because of their religious and family convictions, despite the lack of passion or intimacy in their relationship, is experiencing companionate love.

According to the logic of behavioral genetics, which hypothetical finding would most strongly suggest that attention deficit disorder has a biological basis?

a. monozygotic twins show a much higher concordance rate than dizygotic twins b. dizygotic twins show a much higher concordance rate than monozygotic twins c. there is no effect of behavioral or nutritional interventions on the outcome d. rates of the disorder are similar in populations with substantially different gene pools

People who average 7 hours of sleep per night will, on average, outlive those who average 9 or more hours of sleep per night

Indicate whether the statement is true or false.