EVERYDAY SCIENCE

SCIENCE

EARTH SCIENCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
T8-If you get at least 6 hours of sleep, you will do better on tests than if you get less sleep.What is the independent variable in this experiment?
A
Amount of Sleep
B
Test Scores
C
Amount of Coffee
D
Type of Bed
Explanation: 

Detailed explanation-1: -In an experiment, you change the value of the independent variable to see how it affects the dependent variable. So if you want to see how sleep affects appetite, sleep would be your independent variable and appetite would be your dependent variable.

Detailed explanation-2: -The independent variable is the variable that is manipulated by the experimenter. For example, in an experiment on the impact of sleep deprivation on test performance, sleep deprivation would be the independent variable.

Detailed explanation-3: -For example, gender identity, ethnicity, race, income, and education are all important subject variables that social researchers treat as independent variables.

Detailed explanation-4: -An easy way to think of independent and dependent variables is, when you’re conducting an experiment, the independent variable is what you change, and the dependent variable is what changes because of that. You can also think of the independent variable as the cause and the dependent variable as the effect.

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