Examlex
What does it mean to ring the bell?
Independent Variable
The variable in an experiment that is manipulated or changed to observe its effect on the dependent variable.
Dependent Variable
A variable in an experiment that is expected to change as a result of changes made to the independent variable.
Placebo
A substance with no therapeutic effect, often used as a control in testing new drugs.
Participants' Expectations
The beliefs or assumptions held by individuals participating in a study or activity about what will happen, which can influence their behavior and the outcomes.
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