1. The following questions are from the Teacher Rating (http://onlinestatbook.co
ID: 3204426 • Letter: 1
Question
1. The following questions are from the Teacher Rating (http://onlinestatbook.com/2/case_studies/ratings.html) case study.
a) What is the independent variable of this experiment? On what kind of scale (nominal, ordinal, interval, ratio) was it measured?
b) What is the dependent variable?
2. Specify the scale of measurement used for the following items
a) Rating of the quality of a movie on a 7-point scale
b) Height
c) Race/Ethnicity
d) Favorite Social Media Site
3. You're interested in the relationship between anger and athletic performance so you get the members of the basketball team to answer the Spielberger State-Trait Anger Expression Inventory (STAXI), which measures trait anger as being more likely to experience angry feelings, perform angry behaviors, and have angry thoughts. Then you see if their scores on this measure are related to their basketball performance.
a) What kind of study design is this?
b) What kind of sampling method is being used?
c) What are three weaknesses of this study?
Explanation / Answer
a) Condition is the independent variable here as it affects the ratings.And it is a nominal scale variable.
b) Ratings are a dependent variable as it is affected by the condition.
2) a) ordinal
b) ratio
c) nominal
d) nominal
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.