As with Any Correlative Studies,the HOME Studies Must Be Interpreted

As with any correlative studies,the HOME studies must be interpreted with caution because

A) causal relationships with correlative studies are available only after several replications of the studies.
B) we do not necessarily know the direction of the influence.
C) valuable information is rarely obtained from correlative data.
D) correlative data must be supported with supplementary statistical measures before causal conclusions can be drawn.