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.

At 2: 00 am, a 17-year-old boy, accompanied by his 19-year-old girlfriend, had driven to the bar to give his father (who had been drinking large amounts of alcohol) a ride home. on the way back, they were involved in a motor vehicle collision. the boy has a large laceration with profuse bleeding on his forehead. his girlfriend is unconscious in the front passenger floor. the father is standing outside the vehicle, appearing heavily intoxicated, and is refusing care. what is the best way to gain consent to begin care when his father has an altered mental status or is unconscious? a. phone his mother for consent. b. call his grandparents for consent. c. it is a true emergency, so consent is implied. d. you are covered under the good samaritan laws.