Examlex
Stratified sampling is a sampling method that in no way involves simple random sampling.
Anecdotal
Pertains to personal accounts or observations that are usually informal or unofficial in nature.
Duration
The length of time that something continues or exists.
Placebo Effect
A phenomenon in which a person experiences a perceived improvement in their condition due to their expectations or beliefs, rather than the effect of an active medical treatment.
False Treatment Interaction Effect
An erroneous conclusion that the effect of a treatment varies depending on different settings or groups, often due to methodological flaws.
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