Examlex
_____ are specially denoted text or graphics on a Web page that, when clicked, open a Web page containing related content.
Experimental Study
A research methodology involving the manipulation of variables to determine their effect on a particular outcome or to test a hypothesis.
Masked Design
A research design in which participants do not know which treatment group they are in to prevent bias; also known as a blinded design.
Placebo
An inert or non-therapeutic substance given to a control group in clinical trials to assess the psychological impact of receiving a treatment.
Natural
Naturally occurring and not manufactured or created by human beings.
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