Samantha continues to practice her multiplication in order to beat her own time. Because she is working on the task in order to improve her own skill level, we would say she has a ___________ goal

For many psychoactive drugs, such as nicotine and cocaine, the fastest way to get an effect is by inhaling the drug's vapors

Indicate whether the statement is true or false

In the Luo et al. study reportedin the article on object permanence, Now You See It, Now You Don't, how

was the behavior of the infants recorded? (a) by one observer who held the infants during the trials (b) by two observers hidden behind the apparatus (c) by an eye-tracking instrument (d) by the parent who was holding the infant during the trials