The mean equals 100. One individual scores at the 58th percentile and has a raw score of 107. What is the standard deviation?

The key tasks of a memory system are to

a. encode, store, and retrieve. b. perceive, chunk, and recall. c. sense, understand, and rehearse. d. process, rearrange, and simplify. e. be exposed to, combine, and consider.

According to the authors of your text, when Bibb Latané and John Darley began to seriously consider why no one helped Kitty Genovese during her brutal attack, they hypothesized that the explanation was that

a. New Yorkers are all apathetic. b. no one witnessed the attack. c. witnesses knew they would not be reinforced for reporting the crime. d. when many witness a crime, people assume someone else will call for help.