WIT O The numerical difference in anxiety scores between groups. O Nurse perceptions of the headphones. O Patient and/or family perceptions of the effect of the headphones. O Nurse observations of the patient's behaviors or other similar variables. QUESTION 13 Match each of the following sets of independent (IV) and dependent (DV) variables with the statistical test that would be used to test the relationship between the IV(s) and DV. C. v Independent Sample T-test A. IV = intervention and control group; DV = Score on PHQ-9 measure of depressive symptoms F. v One-Way ANOVA B. IV = Age and Oxygen saturations on admission; DV = Being admitted to B. v Chi-Square Test ICU (measured as being admitted or not) E. v Correlation C. IV = Time to complete graduate studies, DV = Annual income in dollars D. v Multiple Regression D. IV = Gender measured as male, female, transgender, non-binary, or other; IV = Income measured as less than $100,000 or greater than A. v Logistic Regression $100,000 E. IV = Age and Oxygen saturations on admission; DV = Length of stay (in days) F. IV = number of high schools attended measured as 0, 1, or 2 or more; DV = SAT score QUESTION 14 H OLDCOX W