Imagine that you are reading about a study that showed a positive correlation between the number of math courses that college women had completed in high school and their grades in a college course in statistics. You can safely conclude that
a. their previous experience with math courses probably prepared them for the statistics course.
b. students who completed an above-average number of high school math courses are likely to earn an above-average grade in a college statistics course.
c. students who are smart enough to complete many math courses in high school are likely to be smart enough to good grades in a college statistics course.
d. students who develop good study habits in high school are likely to use those same study habits in college.
Question 2
Suppose that some researchers are writing up the results of their study, and they are reporting their interpretation of the data from an experiment. At this stage, they are likely to introduce bias if they
a. discuss only statistical significance and ignore practical significance.
b. are influenced by researcher expectancy.
c. emphasize practical significance far more than statistical significance.
d. try to eliminate confounding variables.
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