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random assignment

Random assignment ensures that bias does not cause differences in representative samples divided into experimental and control groups.

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14y ago

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What is used as a way to compare values for a dependent variables in many experiments?

experimental control


Why is experimental control needed in experiments?

The experimental control is what you compare your experimental data with. Without the control, you can't tell if the variable you are testing is what is causing your results.


Do all experiments have a control?

All properly-designed experiments should have some sort of control.


The experimental procedure in which both the experimenter and subject are unaware of who is in the experimental and who is in the control group is referred to as the?

Double blind experiment.


What is used as way to compare values for dependant variables in many experiments?

experimental control


In an experiments what happens to the control group?

The control group serves as a baseline for comparison with the experimental group. It does not receive the experimental treatment or intervention, allowing researchers to measure the effect of the treatment by comparing the results of the control group to those of the experimental group.


An experiment is designed so that you can observe the differences between the experimental group and the?

control


An experiment is designed so that you can observe the differences between the experimental group and the .?

control


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.


In an experiment the group that is exposed to the variable to be tested is called the?

control group


What does control mean in the meaning of science?

When doing experiments you have to have a control group and an experimental group. The control group is not given a drug (for example), while the experimental group is. This will show (later on) if the drug had a real effect. Sometimes the control group will be given what is called a placebo. This looks just like the drug that the experimental group is given, except it has nothing in it.


What has the author Stephen R Schmidt written?

Stephen R. Schmidt has written: 'Knowledge based management' -- subject(s): Statistical methods, Production management, Quality control 'Understanding industrial designed experiments' -- subject(s): Experimental design