In the statistical calculations for this experiment, the standard deviation in the fixed-interval reaction time experiment is usually lower than that of the random-interval reaction time experiment. What does this mean?
A. It means that there is more variability in the data for the fixed interval reaction time trials than in random-interval trials.
B. It means that there is less variability in the data for the fixed interval reaction time trials than in random-interval trials.
C. It means that average random-interval reaction times are typically longer than average fixed-interval reaction times.
D. It means that average random-interval reaction times are typically shorter than average fixed-interval reaction times.
E. It does not indicate any particular trend for fixed-interval vs. random-interval reaction time trials.
Answer: B
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