Examlex
The Central Limit Theorem guarantees an approximately normal sampling distribution when n is sufficiently large.
IQ
An acronym for Intelligence Quotient, a measure of a person's intellectual abilities in relation to their age group.
Double-blind Procedure
An experimental setup in which neither the participants nor the experimenters know who is receiving a particular treatment, to prevent bias.
Placebo Effect
A phenomenon where individuals experience a perceived or actual improvement in their condition despite receiving a treatment that has no therapeutic effect.
Control Groups
In experimental research, a group of subjects not exposed to the treatment or intervention being tested, serving as a baseline comparison for the experimental group.
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