VARIABLES
•Definition: Variables are properties or characteristics of people or things that vary in quality or magnitude from person to person or object to object (Miller & Nicholson, 1976)
–Demographic characteristics
–Personality traits
–Communication styles or competencies
–Constructs
•in order to be a variable, a variable must vary (e.g., not be a constant), that is, it must take on different values, levels, intensities, or states