Jonah has aggressive tendencies. He often wants to lash out at people at work and at home. He cannot do that, so instead, he does martial arts four days a week. What is this an example of?

Katarina has the conviction that she can do what she sets out to do, whether it is mastering a new skill or reaching her goal of becoming a U.S. citizen. Psychologists call this feeling of competence ________

a. a performance goal. b. drive. c. self-efficacy. d. the need for achievement.

"Oh my gosh, it's a UFO!" This scream came from the backyard of a suburban neighborhood home,

after which several other people came out and agreed that they were all seeing a UFO. As it turns out, there was merely a weather balloon flying high in the sky after it had separated from its tethering cord. This simpler explanation for the sighting of a UFO is consistent with the conceptual principle of A) Occam's Razor. B) correlation versus causation. C) falsifiability. D) replicability.