A recent study reports that elementary school students who were given a nutritious breakfast each morning had higher test scores than students who did not receive the breakfast.For this study,what is the independent variable?
A)The students who were given the nutritious breakfast
B)The students who were not given the nutritious breakfast
C)Whether or not a breakfast was given to the students
D)The test scores for the students

Question

A recent study reports that elementary school students who were given a nutritious breakfast each morning had higher test scores than students who did not receive the breakfast.For this study,what is the independent variable?​
A)​The students who were given the nutritious breakfast
B)​The students who were not given the nutritious breakfast
C)​Whether or not a breakfast was given to the students
D)​The test scores for the students

Quizplus · Accepted Answer

The independent variable is the factor being manipulated or controlled by the researcher in order to determine its effect on the dependent variable, which is the outcome being measured. In this study, the researchers were manipulating whether or not the students received breakfast, making it the independent variable. The dependent variable is the test scores, which were being measured to determine the effect of the breakfast intervention. Therefore, the correct answer is C - Whether or not a breakfast was given to the students.

A Recent Study Reports That Elementary School Students Who Were