Does listening to classical music help students perform better on a math exam? In this example, the scores on the math exams are the dependent variable and classical music is the independent variable.How does a specific therapeutic technique influence the symptoms of psychological disorders? In this case, the dependent variable might be defined as the severity of the symptoms a patient is experiencing, while the independent variable would be the use of a specific therapy method.How does stress influence memory? In this example, the dependent variable might be scores on a memory test and the independent variable might be exposure to a stressful task.The researcher could also change the independent variable by instead evaluating how age or gender influence test scores. How does the amount of time spent studying influence test scores? In this example, the amount of studying would be the independent variable and the test scores would be the dependent variable.We see that "Time Spent Studying" must be the independent variable and "Test Score" must be the dependent variable because the sentence doesn't make sense the other way around. (Time Spent Studying) causes a change in (Test Score) and it isn't possible that (Test Score) could cause a change in (Time Spent Studying). (Independent variable) causes a change in (Dependent Variable) and it isn't possible that (Dependent Variable) could cause a change in (Independent Variable). ![]() Then you can figure out which is the independent variable and which is the dependent variable: An easy way to remember is to insert the names of the two variables you are using in this sentence in they way that makes the most sense. Many people have trouble remembering which is the independent variable and which is the dependent variable. Usually when you are looking for a relationship between two things you are trying to find out what makes the dependent variable change the way it does. For example, a test score could be a dependent variable because it could change depending on several factors such as how much you studied, how much sleep you got the night before you took the test, or even how hungry you were when you took it. It is something that depends on other factors. In fact, when you are looking for some kind of relationship between variables you are trying to see if the independent variable causes some kind of change in the other variables, or dependent variables.Īnswer: Just like an independent variable, a dependent variable is exactly what it sounds like. Other factors (such as what they eat, how much they go to school, how much television they watch) aren't going to change a person's age. For example, someone's age might be an independent variable. It is a variable that stands alone and isn't changed by the other variables you are trying to measure. Question: What's an independent variable?Īnswer: An independent variable is exactly what it sounds like. There are two types of variables-independent and dependent. What are Independent and Dependent Variables?Īnswer: A variable is an object, event, idea, feeling, time period, or any other type of category you are trying to measure. What are Independent and Dependant Variables? How to Choose Which Type of Graph to Use?
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