Dr. Abromowitz has done a study looking at the correlation between depression in children and
amount of television they watched. He finds what seems to be a strong, positive correlation between
the two. He decides that watching too much T.V.
causes children to become depressed. However, he
has a third variable problem. Which of the following is an example of a third variable problem?
A) Parental depression is strongly correlated with both children's depression and the amount
of T.V. a child watches.
B) Being depressed causes a child to watch too much T.V.
C) Making any conclusions about connections between only two variables.
D) Thinking there is a connection between variables when there is none.
A
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