Which drug has both stimulant and hallucinogenic properties?

Problem solving, reasoning, and memory skills that are not greatly influenced by experience are part of:

a. fluid intelligence b. crystallized intelligence c. interpersonal intelligence d. practical intelligence

The tendency to perceive an object as being just as bright in varying amounts of light is called

a. an illusion. c. brightness constancy. b. a monocular cue. d. color constancy.