Identifying variables
Answer questions #1-4 based on this purpose statement:
The purpose of this study is to determine which 6-month physical activity (tai chi, yoga, walking, or stretching) program is the most effective at reducing anxiety among adults (18-55 y/o) with generalized anxiety disorder.
Which variable is the independent variable? Anxiety Type of physical activity Age Time
What is the scale of measurement of the independent variable? Ordinal Continuous Z-distribution Nominal
Which variable is the dependent variable? Age Anxiety Time Type of physical activity
Based on the sample, which population would the results of this study be applicable to? All adults Adults with generalized anxiety disorder All people with generalized anxiety disorder Young children