Which Among the Following Is a Limitation of the National

Which among the following is a limitation of the National Health and Social Life Survey (NHSLS) ?

A) American Indians were underrepresented in the sample.
B) Responses had high levels of concealment and enlargement as only self-reports were used.
C) It did not include enough people from ethnic minority groups-particularly Asian Americans.
D) It provided no information on the sexuality of individuals who were more than 40 years olD.