Which of the Following Is an Accurate Statement Regarding the Similarities

Multiple Choice

Which of the following is an accurate statement regarding the similarities between extraneous and nuisance variables?

A) Research findings can be influenced by both variables in unwanted ways.
B) Research findings can be influenced by both variables in predictable ways.
C) Researchers actively manipulate both variables in a study.
D) Researchers do not consider these variables to be of importance in interpreting results.