A college student is having difficulty staying awake during the day and sleeping through the night. Her difficulties are MOST likely due to problems in the ______

When psychologists question how well the results of a study apply to other samples or perhaps other situations, they are inquiring about the _____ of the study

a. validity b. generalizability c. verifiability d. reliability

Which of the following statements about the effects of d-lysergic acid diethylamide (LSD) is FALSE?

A) Perceptual changes are intensified. B) "Trips" may be fascinating or horrifying. C) Only the sense of vision is altered. D) Objects may become distorted or shift shapes.