As sample size increases,
A) research becomes less valid.
B) the ability to detect statistically significant differences among groups.
C) average scores on the dependent variable increase
D) scores on the independent variable decrease

Question

Quizplus · Accepted Answer

As sample size increases, the statistical power of a study also increases. This means that the study is more likely to detect statistically significant differences among groups if they exist, because larger sample sizes reduce the impact of random error.

As Sample Size Increases