According to the psychoanalytic theory, the structure of personality that operates on the reality principle is the _____

Cocaine and amphetamines are similar in all but which of the following ways?

a. Both increase brain levels of dopamine. b. Both can lead to a type of psychosis. c. Both directly stimulate reward pathways to the brain. d. Both induce feelings of extreme pleasure or euphoria. e. Both produce a relatively long­lasting "high.".

Which type of question is a Likert-type question?

a. open-ended b. restricted c. rating scale d. physiological