A correlation between two variables or the difference between two means is more likely to be statistically significant if the:
A) experiment was double-blind.
B) sample is large.
C) control group received a placebo.
D) study was conducted ethically.

Question

Quizplus · Accepted Answer

A larger sample size increases statistical power, which in turn increases the likelihood of detecting a significant difference or correlation. Double-blind experiments, placebos, and ethical conduct are important for the reliability and validity of the study, but they do not directly impact the statistical significance of the results.

A Correlation Between Two Variables or the Difference Between Two