You Are Interested in Studying a Condition, Called Coltard's Syndrome

Multiple Choice

You are interested in studying a condition, called Coltard's syndrome, where people think that they are actually dead. Because this condition is very rare, you can only find one person to study. The technique you are most likely to use is:

A) a case study
B) a longitudinal study
C) a cross-sectional study
D) an experiment