# Question: a researcher conducted a factor analysis and decided to use...

###### Question details

A researcher conducted a factor analysis and decided to use the most popular criterion to determine the number of components to keep in the model. These are the eigenvalues of the first four principal components: PC1 = 3.8, PC2 = 2.2, PC3 = 1.24, PC4 = 1.01. How many principal components must she keep in the model?

a. four

b. one

c. two

d. three