Jeff is trying to remember a list of 20 letters, grouped into the following chunks: OL DHA ROL DAN DYO UNG BEN. In the context of chunking, which of the following is most likely to improve his recollection of the letters?
A. reading them only once and trying to recall them later
B. re-chunking the letters to form meaningful words
C. waiting at least a few hours before trying to recall the letters
D. removing the chunks and arranging the letters alphabetically

Donald was arrested for murdering an acquaintance. at the trial, donald takes the stand and testifies that he and the victim knew each other. he admits that they would drink and use drugs together. one night while partying, donald explains in his testimony, an argument got out of hand during a card game. donald explains that the victim accused him of cheating and pulled out a knife on him and started swinging it in the air. donald said that he had no choice but to pull out his gun and shoot the victim. the jury convicted donald of manslaughter. who would argue that donald weighed the potential costs and benefits of shooting the victim and decided to pull the trigger as a result of free will? a. a rational choice theorist b. a critical criminologist c. a conflict theorist d. a positivist