Examlex
One way to reduce demand characteristics is to tell subjects the purpose of the experiment so they will be more willing to participate honestly.
Arousal
A physiological and psychological state of being awake, alert, and attentive, often a prerequisite for effective performance in various tasks.
Behavior
Actions or reactions of an individual or group in response to external or internal stimuli.
Circadian Rhythm
The natural, internal process that regulates the sleep-wake cycle and repeats roughly every 24 hours.
Hormone Levels
refer to the concentration of hormones present in the bloodstream, which can affect bodily functions and mood.
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