Professor Mike Michaelson Just Finished a Study That Used a Traditional

Multiple Choice

Professor Mike Michaelson just finished a study that used a traditional experimental research design and was based on a sample of students from his introductory psychology class.Despite the fact that his article was published in a leading psychology journal,his colleagues criticized his study as just another example of research termed "science of the sophomore." What specifically was Professor Michaelson apparently guilty of?

A) His research was biased because he used a sample that was known to him.
B) Professor Michaelson used deception in his research.
C) His study lacked generalizability.
D) His study lacked empirical data.
E) Given that he used his psychology class as his sample,his study would have lacked a control group.