A person who takes up smoking after seeing his or her friends do the same has acquired smoking behavior through which one of these categories of learning?

Which early sociologist emphasized the role of society in the development of the self?

A) George Herbert Mead B) Karl Marx C) Georg Simmer D) Herbert Blumer

If a researcher discovers that a variable that is not of interest in a study may be affecting the dependent variable, that researcher

a. can rule out causal ambiguity. b. should invoke the temporal precedence rule. c. has identified a possible extraneous variable. d. should use a double blind study to overcome the problem.