When you compare means of three groups’ scores, what statistical test do you use? What are the differences between parametric and non-parametric tests? A researcher wants to examine whether health-related knowledge predicts the vaccination intention in the US population. Which statistical test should the researcher use?

COM309
Assignment 10 Statistical Analysis

When you compare means of two groups’ scores, what statistical test do you use?

When you compare means of three groups’ scores, what statistical test do you use?

What are the differences between parametric and non-parametric tests?

A researcher wants to examine whether health-related knowledge predicts the vaccination intention in the US population. Which statistical test should the researcher use?

What does “2x4x3 factorial design” mean?

Does Pearson’s r = -0.8 mean a strong or weak correlation between two variables?