A researcher finds that for every two hours psychology students spend each week studying their abnormal psychology textbook, the students' scores on the course tests improve by an average of 15 points. What can the researcher appropriately conclude from these data?
a. There is a positive correlation between the extra study hours and the increased test scores.
b. No conclusions can be drawn from these data.
c. The increased time spent studying caused the increase in the test scores.
d. There is a negative correlation between the extra study hours and the increased test scores.
Ans: a. There is a positive correlation between the extra study hours and the increased test scores.
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A) boys are older and hence taller when they enter the growth spurt. B) androgens promote greater height than estrogen. C) girls are shorter than same-age boys during childhood. D) the Y chromosome in males programs greater height.
What are some common features of children's and adolescents' problem solving?
What will be an ideal response?
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