DrSardonicus Learned of a Woman Whose Tongue Turned a Bright

Multiple Choice

Dr.Sardonicus learned of a woman whose tongue turned a bright shade of green whenever she felt stressed.Although this is a rare event in the general population,Dr.Sardonicus nonetheless interviewed the woman at great length and made detailed observations about her behaviour.Dr.Sardonicus used _____ to gather data.

A) naturalistic observation
B) the case method
C) random sampling
D) the law of large numbers