Researchers measure heritability mostly by comparing people from different cultures

You measure the time it takes a rat to navigate a maze four times over the course of an

experiment. What type of nonrandom assignment to groups are you using? A) repeated measures B) natural pairs C) repeated sets D) multiple measurement

The substantia nigra and the ventral tegmental area are both mesencephalic nuclei of the

A) lateral forebrain bundle. B) nigrostriatal pathway. C) mesocortical limbs. D) mesotelencephalic dopamine system. E) mesotelencephalic serotonin system.