Molly is eating red and black jellybeans from a paper bag. She is not looking at the jellybeans as she eats them. She likes red jellybeans, but she does not like black jellybeans. The amount of jellybeans she has to take from the jar before she gets a red one is never the same. Which of the following statements is true?
A. Molly is on a fixed-interval schedule of reinforcement.
B. Molly is on a variable-interval schedule of reinforcement.
C. Molly is on a fixed-ratio schedule of reinforcement.
D. Molly is on a variable-ratio schedule of reinforcement.

You are serving on a jury. a plaintiff is suing the city for injuries sustained after falling down an uncovered manhole. in the trial, doctors testified that it will be 5 years before the plaintiff is able to return to work. the jury has already decided in favor of the plaintiff, and has decided to grant the plaintiff an award to cover the following items: a. recovery of 2 years of back-pay ($34,000 for two years ago, and $36,000 for last year, which ends today). assume that it is december 31 and that all salary is received at year end. this recovery should include the time value of money. b. the present value of 5 years of future salary. assume that the plaintiff's salary would increase at a rate of 3 percent per year. c. $100,000 for pain and suffering. d. $20,000 for court costs. assume an interest rate of 7 percent. what should be the size of the settlement?

The ideal that all people should be treated equally. a. rule of law b. representative government c. limited government the bill of rights and the declaration of rights both seek to protect a. the separation of powers b. personal liberties c. representative government

The idea that desirable traits can be bred into human beings and undesirable ones can be bred out is known as: