The Stories of Peter Tripp and Randy Gardner (Two Different

Multiple Choice

The stories of Peter Tripp and Randy Gardner (two different people who each endured extremely long periods of sleep deprivation) suggest that:

A) extreme sleep deprivation invariably leads to a very specific set of symptoms (e.g. ,hallucinations,breakdowns in judgment)
B) an advantage of case studies is that a lot of general information about human beings can be gathered from studying only one or two people
C) a drawback of case studies is that different case studies often yield different results
D) case studies often fail to use basic safeguards against biased observations