A Researcher Investigates Whether There Is a Relationship Between Hours

question 2

Multiple Choice

A researcher investigates whether there is a relationship between hours spent watching television and children's vocabulary by asking 40 randomly selected 11-year-olds how many hours of television they watch per week and then having them take a vocabulary test.What is the independent variable in this study?

• A)hours of television watching
• B)vocabulary scores
• C)age of the subjects
• D)there is no independent variable;the study is correlational

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