Examlex
A 0.01 M solution of a substance has a pH of 2. What can you conclude about this substance?
Control Group
In experimental research, a group of subjects that does not receive the treatment being tested, used as a benchmark to measure the effects of the treatment on the experimental group.
Independent Variable
The variable in an experiment that is manipulated by the researcher to observe its effects on the dependent variable.
Experimental Group
In research, a group of subjects who are exposed to the variable under investigation to assess its effect.
Potential Confound
A variable that could distort the results or conclusions of a study or experiment by intermingling its effects with those of the variables of interest.
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