Examlex
Which of the following is true regarding senescence?
Correlational Study
A research method used to determine the relationship between two variables, without implying causation.
Placebo
A substance or treatment with no therapeutic effect, often used in clinical trials as a control to test the efficacy of treatments.
Confounding Variable
An external variable that influences both the independent and dependent variables in an experimental design, leading to a potential false association between the studied variables.
Random Factor
A random factor is an unpredictable variable that can influence the outcome of an experiment or situation, often beyond control.
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