According to a large-scale Spanish study by Sangrador and Yela (2000), although physical attractiveness was the single most important predictor of initial attraction it was the ________ important in long-term relationships

Any consequence that, if applied after a response, increases the probably of that response is __________

a) negative reinforcement. b) punishment. c) positive reinforcement. d) a neutral stimulus.

Ron would like to meet a woman and develop a romantic relationship. He joins several clubs at his college so he can meet people, especially potential romantic partners. He is in the __________ phase

a) activation b) persistence c) intensity d) motivation