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In general it's better to only change one variable at a time. This may not be practical depending on exactly what you're working on. Astronomers, for example, can't just go change a star's mass and see what happens; they have to work with the data they can get. Dealing with more than one variable complicates matters, but may be possible if you've got a good grasp on the underlying theory (or at least a good working hypothesis) and take enough measurements; you'll wind up solving a system of simultaneous equations, which is a lot more complicated.
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What kind of study When performing an experiment to control for confounding variables such as gender the subjects are separated by that possible confounding variable?
The study described is a stratified randomization or stratified design. In this approach, subjects are divided into groups based on the confounding variable (in this case, gender) before random assignment to experimental conditions. This method helps ensure that the potential influence of the confounding variable is balanced across the treatment groups, thereby enhancing the validity of the experiment's results. By controlling for gender, researchers can more accurately assess the effects of the independent variable on the dependent variable.
What best describes the dependent variable in an experiment?
The factor in an experiment that responds to the manipulated variable
Why so you think that it is a good idea to limit an experiment to test only one variable at a time whenever possible?
because you can focus more on the only variable you need in an expirement and get the results accuratly
What happens when more than one variable changes during a scientific experiment?
The outcome of the experiment may not be linked to any one specific variable.
What variable is the part of the experiment that is affected by the independent variable that is being tested or the part that is changed by the person doing the experiment?
The variable of the experiment that is being tested or the part that is changed by the person doing the experiment is called the independent variable... Thank you for letting me answer goodbye... ;)
What is scientific Dependent variable?
A dependent variable is a factor in an experiment that is influenced by another factor. An example might help to clarify. You are performing an experiment in which you are observing how sunlight affects plant height. Plant height is the dependent variable because it is dependent upon how much sunlight the plant receives. Sunlight is an example of an independent variable. It is not influenced by anything in this experiment, but may be changed to observe its effect on the dependent variable. It is possible to have more than one dependent variable in an experiment, but only one independent variable.
Why is it important to not change your variable in an experiment?
If you change more that one variable in an experiment, then when the result occurs, you won't know which variable caused the change.
Why does having more than one variable complicates the results of an experiment?
Because you can't be sure what about the variable is changing or how it changes. The different factors of the variable can also change the experiment in different ways, therefore making the experiment more complicated.
What kind of study When performing an experiment to control for confounding variables such as gender the subjects are separated by that possible confounding variable?
The study described is a stratified randomization or stratified design. In this approach, subjects are divided into groups based on the confounding variable (in this case, gender) before random assignment to experimental conditions. This method helps ensure that the potential influence of the confounding variable is balanced across the treatment groups, thereby enhancing the validity of the experiment's results. By controlling for gender, researchers can more accurately assess the effects of the independent variable on the dependent variable.
In a experiment the variable that is changed or determined by manipulation of one or more factors?
Dependent Variable
What best describes the dependent variable in an experiment?
The factor in an experiment that responds to the manipulated variable
Why so you think that it is a good idea to limit an experiment to test only one variable at a time whenever possible?
because you can focus more on the only variable you need in an expirement and get the results accuratly
What happens when more than one variable changes during a scientific experiment?
The outcome of the experiment may not be linked to any one specific variable.
What variable is the part of the experiment that is affected by the independent variable that is being tested or the part that is changed by the person doing the experiment?
The variable of the experiment that is being tested or the part that is changed by the person doing the experiment is called the independent variable... Thank you for letting me answer goodbye... ;)
Distinguish between a variable and a control?
in an experiment we usually make two or more set ups. the first set up where all the conditions are normal is known as the control. the rest of the set ups which may have different conditions is called as the variable set up.example:suppose we are performing an experiment to check the growth of plants in absence of carbon dioxide.The control will have carbon dioxide (normal condition).the variable will not have carbon dioxide.this is done for a comparison between normal and abnormal conditions.Thank you.
What does independent variables in science?
Hello, Well what you would be looking for is what an independent variable means. Assuming you understand what a variable is and a dependant variable is, here goes: An independant variable is the variable which you change in an experiment. Note you can only have 1 variable that can change in an experiment and more than one independent variable will result in an unfair experiment. An example is an experiment looking at the growth of trees in the Dark, in a dimly lit room and in the direct sun. The independant variable is the location of the experiment, because this is what is being changed. Simply: The Independent Variable is the variable that is independent and you change. The dependant variable is what changes when the independent variable changes. To conduct an experiment, you will have an independent variable and change that to see how the dependant variable changes with the independent one. Hope I Helped
Does a controlled experiment have only one variable?
No, a controlled experiment can have more than one variable. However, in a controlled experiment, only one variable is intentionally changed (independent variable) to observe its effect on another variable (dependent variable), while all other variables are kept constant (controlled variables) to ensure the validity of the results.
