Research has shown that high school students' scores on the SAT correlate .40 with college freshman grades. Assuming that only half of the students who took the SAT were admitted to a given college, what would you estimate the correlation to be between their SAT scores and freshman grades?
a. Negative and lower than .40 c. Positive and higher than .40
b. Negative and higher than .40 d. Positive and lower than .40
Question 2
Research shows that aptitude scores are better predictors of achievement in the lower grades than in college. This finding can best be interpreted to mean that
a. college students are not as predictable as elementary school pupils.
b. aptitude tests should not be used with college students.
c. there is less variability in aptitude and achievement among elementary school students than among college students.
d. there is greater variability in aptitude and achievement among elementary school students than among college students.
e. college teachers tend to be more objective in grading than elementary school teachers.
Some organisms used as models in genetic research
A Bottlenose Dolphin (Tursiops truncatus) surfs the wave of a research boat on the Banana River, nea
Results are shown for proteins denatured by two different environmental changes
Raphael, The School of Athens.
Cloud Types: High Clouds
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