Suppose the results of a correlational study examining the association between poverty and psychotic behavior show a correlation coefficient of r = 0.80 . One erroneous interpretation of the results is that poverty causes psychotic behavior. A correct response is that ____.
a. the study was actually an experiment.
b. a third variable causes both poverty and psychotic behavior
c. poverty and psychotic behavior are unrelated
d. the correlation is actually negative
Question 2
Which of the following is not a characteristic of correlational studies?
a. They help researchers understand cause and effect.
b. They indicate the strength of a relationship between variables.
c. When two variables are highly related, knowledge about one variable can be used to make predictions about the other variable.
d. They are helpful in generating hypotheses for experimental research.
(A) Scratch test; patient is exposed to allergens through a light scratch on the skin; (B) Positive
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