Variables that are always different between the experimental and the control groups are?
a.)independent
b.) controlled
c.) dependent
d.) a and c
Here is some information that should help you to decide.
An independent variable is the potential stimulus or cause, usually directly manipulated by the experimenter, so it could also be called a manipulative variable.
A dependent variable is the response or measure of results.
Extraneous variables — other than the independent variable — potentially can affect the dependent variable, so they must be controlled. If possible, you try to keep them constant between the experimental and control group.
The experimental group receives the independent variable.
The control group is similar to experimental, except it does not receive the independent variable. Extraneous variables are balanced between experimental and control groups.
I hope this helps. Thanks for asking.
The correct answer is d.) a and c.
The independent variable is the one that is manipulated or changed by the researcher to see its effect on the dependent variable. This variable can differ between the experimental and control groups.
The dependent variable is the variable that is measured or observed to determine the outcome of the study. It is affected by the independent variable and can also differ between the experimental and control groups.
Therefore, both the independent variable and the dependent variable can be different between the experimental and control groups.
To determine the variables that are always different between the experimental and control groups in a scientific study, we need to understand the purpose of each group.
The experimental group is the group that receives the treatment or intervention being investigated. It is the group where the independent variable is applied or manipulated. The independent variable is the variable that the researcher intentionally changes or controls to observe its effect on the dependent variable.
On the other hand, the control group is a group that serves as a comparison to the experimental group. The control group does not receive the treatment or intervention being studied and remains untreated or unchanged. The control group provides a baseline against which the experimental group can be compared, helping to determine the effect of the treatment.
Given this information, the variables that are always different between the experimental and control groups are:
a.) Independent variable: This variable is intentionally changed or manipulated by the researcher in the experimental group. It helps determine the cause or effect being studied.
d.) Dependent variable: This is the variable that is observed or measured to see the effects of the independent variable. It is the variable that is expected to change as a result of the manipulation in the experimental group.
So, the correct answer would be "d.) a and c" since both the independent and dependent variables are different between the experimental and control groups.