What Might Be One Reason Why Researchers Have Difficulty Calculating

Multiple Choice

What might be one reason why researchers have difficulty calculating the rate of childlessness?

A) Blended families make it more difficult to discern who is a parent and who isn't.
B) People whose children have grown into adults sometimes consider themselves childless,which may inaccurately alter statistics.
C) Childlessness is highly stigmatized,so people are likely to misreport their status to survey researchers.
D) Women are having their first child at an older average age,making it difficult to decide at what point someone is childless.