Question

A researcher reports a positive relationship between sugar consumption and activity level for a group of 8-year-old children. however, the researcher cannot be sure whether the extra sugar is causing the children to be more active or whether the extra activity is causing the children to eat more sugar. this is an example of the

Answer 1

The answer is: the directionality problem
the directionality problem refers to a type of problem in which the cause and effect relationship is not known.But even though the relationship is not known, we can now for sure that the problem is exist because it shows obvious effect/symtomps.