A researcher examines whether scores on a final exam are influenced

Instructions:

Answer the questions below in complete sentences. 

SCALES OF MEASUREMENT

1. A researcher examines whether scores on a final exam are influenced by whether background music is soft, loud, or absent.
   1. What  is the independent variable? 
   2. How  many levels are there for the independent variable?
   3. What is the dependent variable? 
   4. What is the scale of measurement for the dependent variable? 
2. A  researcher compares freshmen, sophomores, juniors, and seniors with respect to how much fun they have while attending college (1=no fun at all, 7=maximum amount of fun).
   1. What  is the independent variable? 
   2. How  many levels are there for the independent variable?
   3. What  is the dependent variable? 
   4. What  is the scale of measurement for the dependent variable? 
3. A  researcher examines whether length of daily exposure to a sun lamp (0  minutes, 30 minutes, or 60 minutes) influences self-reported depression  (measured as either “depressed” or “not depressed”).
   1. What is the independent variable? 
   2. How many levels are there for the independent variable?
   3. What is the dependent variable? 
   4. What is the scale of measurement for the dependent variable? 
4. A  researcher examines whether being in a room with blue walls, green walls, red walls, or beige walls influences aggressive behavior in a group of adolescents (measured as the number of times the adolescents shock an opponent in a simulated game).
   1. What is the independent variable? 
   2. How many levels are there for the independent variable?
   3. What  is the dependent variable? 
   4. What is the scale of measurement for the dependent variable? 
5. A  researcher examines whether being subliminally exposed to various novel  shapes will increase participants’ liking of the shapes. Some participants  subliminally view shapes and others do not. Later, all participants are  given a list of shapes and are asked to rank-order their top 5 choices.
   1. What  is the independent variable? 
   2. How  many levels are there for the independent variable?
   3. What is the dependent variable? 
   4. What is the scale of measurement for the dependent variable?