A Study Examines the Hypothesis That Women Perform More Unpaid

Multiple Choice

A study examines the hypothesis that women perform more unpaid household labor than men on average because women also have lower average income than men.However,the researchers are encouraged to consider the possibility of reverse causality,such that the higher average time women spend in unpaid labor predicts women's lower average income.In order to respond to this suggestion,the researchers in this study will most likely need to

A) employ careful elaboration.
B) be sure their data has statistical power.
C) select a probability sample.
D) use longitudinal data.