manou76
12.03.2020 •
Mathematics
A researcher wants to study the effects of caffeine on student performance on quiz scores. The research gives a caffeinated drink to half the students and a non-caffeinated drink to the other half of students. The researcher then measures quiz scores by counting the number of correct answers. Given the above scenario, what is the dependent variable?
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Ответ:
The student’s performance
Step-by-step explanation:
In the above question, we are asked to identify the dependent variable. Now, to properly answer this question, we need to understand what a dependent variable is. A dependent variable is one whose values are dependent on another set of values entirely.
A dependent variable has values that are obtained from another set of values. In most cases, the values of y are usually dependent on the values of x in an equation.
Now let’s go back to the question. What the researcher is trying to do is to know the effects of caffeine on student’s performance. If we look closely, what we are trying to obtain is the student’s performance but in this case our base values are on the caffeine.
Hence, we can conclude that the student’s performance is the dependent variable
Ответ: