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.
Age and Trends in Poverty
National Results of the Scholastic Assessment Test (SAT)
The areas in which reading-associated increases in activity were observed in the fMRI study of ...
The immune response results from activation of the humoral and cell-mediated immune systems
Sensitivity study for facial difference
The Meselson–Stahl experimental results