If SAT scores were useful in letting us predict who would and would not succeed in college, the SAT scores would show

For the last year, Sabina has seen the same man every day, as he lives on the same floor of her apartment building and they often take the same subway to work. Lately, she finds herself attracted to him. What is most likely to explain Sabina’s attraction?

A. Similarity B. His physical attractiveness C. The mere exposure effect D. An in-group bias

Casino slot machines are designed so that people keep playing - often to their own financial detriment - because there is always the possibility that they may win big on the next attempt. Which reinforcement schedule are the game designers employing?

a. fixed ratio b. fixed interval c. variable ratio d. variable interval