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
E) Martin's study is based on a random sample

Question

Quizplus · Accepted Answer

The larger the sample size, the greater the power to detect statistical significance. Therefore, increasing the sample size can increase the likelihood of finding a statistically significant correlation between caffeine consumption and frontal lobe activity. The other answer choices are not directly related to the statistical significance of the correlation.

Martin Has Found a Correlation of R