Three groups of students were placed in a classroom with controlled room temperatures
of 18 C. 200, 25 C. The math exam scores of the students were then taken and
compared to the other groups.
In dependent variable:
Dependent variable:
tranpous variable
Answers
Directions: identify the Independent, Dependent, Extraneous variable/s in each of the following situations.
Three groups of students were placed in a classroom with controlled room temperature of 18°C,20°C,25°C. The math exam scores of the students were then taken and compared to the other groups.
Solution :-
Independent variable :- The values that can be changed or controlled in a given model or equation. They provide the "input" which is modified by the model to change the "output."
Dependent variables :- The values that result from the independent variables.
Extraneous variable :- Extraneous variables are all variables, which are not the independent variable, but could affect the results of the experiment. The researcher wants to make sure that it is the manipulation of the independent variable that has an effect on the dependent variable.
So,
Dependent variable :-
- Math exam scores.
Independent variable :-
- Room temperature .
Extraneous variable :-
- Group of students .
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Step-by-step explanation:
Among the various options available, the correct option is extraneous variable.
An extraneous variable is not a dependent variable but it can change the result of the condition being tested under certain parameters or state relationship about two or more things. In the given case we can see that the relationship between math score and temperature is to be determined, hence this is an example of extraneous variable case