Classically conditioned emotional responses are associated with the ______________

The classification of an object as figure or ground depends on

a. whether the observer is focusing on the object or not. b. the shape and dimensions of the object. c. the motivation of the observer. d. where the image of the object falls on the retina. e. the relative sizes of the objects.

Dr. Keller has individuals run on a treadmill for

0, 15, or 30 minutes and then measures their self-reported mood. In this hypothetical study, the independent variable is: a) the self-reported mood. b) the individuals who run for 15 or 30 minutes. c) the individuals who run for 0 minutes. d) the number of minutes individuals run on the treadmill.