Martin has found a correlation of r = .18 between the two variables of caffeine consumption and frontal lobe activity.This correlation is more likely to be statistically significant if:
A)The study can be applied to the real world
B)Martin used a larger number of subjects
C)Martin measured frontal lobe activity extremely accurately
D)Martin's measure of caffeine consumption is categorical

Question

Quizplus · Accepted Answer

A larger sample size increases the statistical power of the study, making it more likely to find a significant correlation, even if it is small. The other options do not directly affect the statistical significance of the correlation.

Martin Has Found a Correlation of R =