Vitamins cause no harm in developing fetuses

Children with damage to the cerebellum usually display __________ deficits

A) motor, but not cognitive, B) cognitive, but not motor, C) both motor and cognitive D) neither motor nor cognitive

Reactivity may pose a threat to the external validity of an experiment because

a) Participants may act differently since they are aware they are being observed b) Participants may not want to complete the experimental protocol c) Participants may be responding to internal scripts that are dictating their behavior d) Participants may attempt to discover the purpose of the experiment and act accordingly