A Researcher Is Studying 378 Nurses Enrolled in an Online

Multiple Choice

A researcher is studying 378 nurses enrolled in an online RN to BSN completion program and analyzing how age, level of engagement, motivation and time spent studying impact the final test score. When she enters level of engagement, motivation and time spent studying into the regression model the R square change associated with each is significant but when she enters age into the model the R square change is not significant. You would recommend the final regression model include what variables?

A) Level of engagement and age
B) Level of engagement and motivation
C) Level of engagement, motivation and time spent studying
D) Level of engagement, motivation, time spent studying and age