Imagine a washtub about half full of water. A toy boat containing a rock floats in the water. Imagine that you lift the rock out of the toy boat and set it aside (NOT in the tub). Would the water level in the tub become higher or lower or would it remain the same as it was when the rock was in the boat?

Steven spielberg's classic movie jaws was a thriller about a great white shark that terrorized tourists at a local beach. just before the shark's appearance, eerie music began playing. as the unseen shark came closer, the tempo of the music picked up. after the audience had experienced this a few times, the sound of the music triggered the emotional reaction of fear in the audience even though the shark still had not appeared. at that point, the sound of the eerie music was a: a) unconditioned response (ucr) b) conditioned response (cr) c) conditioned stimulus (cs) d) unconditioned stimulus (ucs)