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Can dependent variables be changed?
Answer: Just like an independent variable, a dependent variable is exactly what it sounds like. It is something that depends on other factors. (Independent variable) causes a change in (Dependent Variable) and it isn’t possible that (Dependent Variable) could cause a change in (Independent Variable).
Can the dependent variable be controlled?
The researcher wants to make sure that it is the manipulation of the independent variable that has changed the changes in the dependent variable. Hence, all the other variables that could affect the dependent variable to change must be controlled.
Is length of time a dependent variable?
Time is always the independent variable. The other variable is the dependent variable (in our example: time is the independent variable and distance is the dependent variable).
How do you tell the difference between independent and dependent variables?
You can think of independent and dependent variables in terms of cause and effect: an independent variable is the variable you think is the cause, while a dependent variable is the effect. In an experiment, you manipulate the independent variable and measure the outcome in the dependent variable.
Why is time the dependent variable?
Time is usually viewed as the independent variable for the simple reason that it doesn’t depend on anything else. Time simply ticks by at the same rate wherever you are (in non-relativistic context), independent of other variables so it doesn’t make sense to express time as a dependent variable.
Can time be either a dependent variable or independent variable?
“Can time be either a dependent variable or independent variable?” Yes it can, in experimental design. independent: you give someone X amount of time to write a test. Maybe you vary X (the IV) then score the test (the DV). dependent: you give someone a task,…
When do researchers make changes to the independent variable?
When researchers make changes to the independent variable, they then measure any resulting changes to the dependent variable. For example, if a researcher was looking at how studying influences test scores, the amount of studying would be the independent variable and the test scores would be the dependent variable.
Why does a dependent variable change or grow?
Lesson Summary. In summary, the dependent variable must change or grow because of something that has happened or will happen. The dependent variable can be something that is observed based on changes or an intervention that is taking place (the independent variable).
How is a dependent variable used in a psychology experiment?
In a psychology experiment, researchers are looking at how changes in the independent variable cause changes in the dependent variable. One way to help identify the dependent variable is to remember that it depends on the independent variable.