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When conducting a research study which group receives the independent variables (treatment)?
In a research study, the independent variable (treatment) is typically given to the experimental group, while the control group does not receive the treatment. This allows researchers to compare the effects of the treatment on the experimental group against the control group to determine its impact.
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Are the control and experimental groups are designed to be identical?
In an ideal experimental design, the control and experimental groups are designed to be as similar as possible, with the only difference being the specific treatment or intervention that the experimental group receives. This helps to isolate the effect of the treatment and minimize the impact of other variables on the outcome of the study.
What is the purpose of having a control group?
In conducting a scientific experiment, a scientist should have a control group and an experiment/treatment group. The scientist proposes a null hypothesis (null because it is intended to be disproven). The scientist then treats the two groups identically except the treatment group receives the treatment and the control group does not. Because the two groups were treated identically except for the treatment, any subsequent differences in the groups is (tentatively) attributed to the treatment. Thus,the control group is the group NOT receiving the treatment. For example, the scientist could propose that "fish will not die if they stop receiving food" (as a null hypothesis). The scientist then places two fish tanks full of similar fish into the same room, so that temperature, air pressure and light are equal. Then the scientist feeds one tank the recommended amount of fish food, while not feeding the other tank at all. After one week of this treatment, the scientist observes the tank receiving food (the control group) contains live fish while the group receiving the treatment (starvation) only contains dead fish. The scientist would then disprove the null hypothesis and conclude (tentatively) that fish do need food to continue living.
What is the comparison group?
A comparison group is a group in an experiment or study that does not receive the treatment or intervention being tested. It is used to compare the outcomes of the group that receives the treatment, allowing researchers to determine the effectiveness of the intervention.
What is the difference between a control variable and a control treatment?
A control variable is a factor that is held constant in an experiment to prevent it from influencing the outcome. A control treatment, on the other hand, is a specific group or condition in an experiment that receives no experimental manipulation and is used as a baseline for comparison with the treatment groups.
What is the difference between a treatment group and a control group?
There is one major difference of a treatment group and a control group. The treatment group is treated with an experimental medication (or known medication), and the control group is treated with a placebo in place of the medication to measure effects of the medication.
What is the term for a group of subjects that receives all variables except for the independent variables in an experiment?
control group
What is the term for a group of subjects that receives all variables except for the independent variable in an experiment?
control group
In an experimental research study the group that receives treatment is called .?
The group that receives treatment in an experimental research study is known as the treatment group or experimental group. This group is exposed to the independent variable being studied to observe the effect it has on the dependent variable.
Any group exposed to the independent variable?
In experimental research, the group exposed to the independent variable is known as the experimental group. This group receives the treatment or intervention being tested, allowing researchers to observe its effects in comparison to a control group, which is not exposed to the independent variable. This design helps identify any causal relationships between the independent and dependent variables. By analyzing the differences in outcomes between the two groups, researchers can draw conclusions about the impact of the independent variable.
Who receives treatment in an experimental study?
Participants in an experimental study receive the treatment. Typically, participants are randomly assigned to either the treatment group, which receives the experimental treatment, or the control group, which does not receive the treatment or receives a standard treatment for comparison.
Why is a control group needed?
A control group is subjected to the same procedures as the experimental group but does not receive the treatment of the independent variable. In the control group all variables are held constant. It is used as a baseline measure. This helps determine whether any of the resulting effects of the experimental group are due to the independent variable treatment and not to the actions involved in providing the treatment.
The group that receives the independent variable?
psychologists
How do you design a controlled experiment?
To design a controlled experiment, first, identify the hypothesis and define the variables: the independent variable (manipulated) and the dependent variable (measured). Create two groups: an experimental group that receives the treatment and a control group that does not, ensuring all other conditions are kept constant. Randomly assign subjects to these groups to minimize bias. Finally, collect and analyze data to determine the effect of the independent variable on the dependent variable.
In a controlled group what group receives some type of treatment?
In a controlled group study, the group that receives some type of treatment is known as the treatment group. This group is compared with the control group, which does not receive the treatment, to determine the effects of the treatment.
What is group that receives no treatment in an experiment?
the control.
Which group is exposed to the independent variable?
The group exposed to the independent variable is typically referred to as the experimental group. In an experiment, this group receives the treatment or condition being tested, allowing researchers to observe its effects. In contrast, a control group may be used for comparison, as it does not receive the independent variable. This setup helps determine the impact of the independent variable on the dependent variable.
What is the group that receives the experimental treatment?
The group that receives the experimental treatment is known as the experimental group. This group is exposed to the intervention or manipulation being studied to evaluate its effects compared to a control group that does not receive the treatment.
