[Solved] Dr. Hernandez is conducting an experiment on the ability to pay attention based on different types of noise in a room

Dr. Hernandez is conducting an experiment on the ability to pay attention based on different types of noise in a room. Participants sit in a room where there is either no noise, the sound of people talking, or Drake’s Scorpion album playing in the background. During the hour-long period, participants are asked to read an article and answers multiple choice questions on it. Their attention score is determined by the number of questions they answer correctly out of 20.

a. What is the independent variable? (1 pt)

b. What scale of measurement (NOIR) is the independent variable? (2 pts)

c. How many levels are there of the independent variable and what are they? (3 pts)

d. What is the dependent variable? (1 pt)

e. What scale of measurement is the dependent variable? (2 pts)

f. What is the most appropriate statistical test for this study? (2 pts)

Expert Answer

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