Professor Swenson is interested in university students’ reactions to the death of a popular rock star. For two weeks, Professor Swenson spends one hour a day in a popular cafeteria, inconspicuously listening to students, joining in their conversations when the topic of the dead rock star comes up, and recording what the students have to say. Professor Swenson is conducting ________ research.

One main reason why social psychologists may use deception in their studies is that it

A researcher discovers a strong positive correlation between ice cream sales and the incidence of violent crimes. Based on this, we can conclude that

Dr. Winstell is interested in studying prejudice, and devises a study in which Caucasian participants are led to believe that they are chatting electronically with an African-American participant. In reality, the participants are responding to another Caucasian participant, and she discloses this information to all participants at the end of the study. Dr. Winstell has used ________ in her study.

Before the 2008 election, Zoe was not so sure who the winner would be. But after President Barack Obama won, Zoe exclaimed, “Of course he won, he had the popular vote in many states, and many Americans are inspired by him.” Here, Zoe is exhibiting

Complete the analogy: hindsight bias: _________ as hypothesis: _________.

The hindsight bias is most like which of the following statements?

The shape of the distribution is . 

Find the critical value for an level of confidence.  Round to two decimal places. 

Does a linear relation exist between the variables?  How do you know?