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Experimenter's Friendly Smile
A variable in psychological experiments that can influence participants' responses, potentially introducing bias.
Cold Demeanor
A behavior characterized by emotional detachment, aloofness, or a lack of warmth in interactions with others.
Single-blind Experiment
A type of experiment where the participants do not know which group (control or experimental) they belong to, but the researchers do.
Experimental Group
A group in a scientific study that is exposed to the variable being tested, in contrast to the control group.
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