Explain the Difference Between a Stratified Random Sample and Cluster

question 50

Essay

Explain the difference between a stratified random sample and cluster random sample.

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Definitions:

Inflammation

A biological response of body tissues to harmful stimuli, characterized by redness, swelling, warmth, and pain.

Single Blind

An experimental setup where the participant is unaware of whether they are receiving the experimental treatment or are in the control group, but the researchers are aware.

Lurking Variables

Unobserved variables that can influence the observed relationship between other variables of interest.

Placebo

A harmless pill, medicine, or procedure prescribed more for the psychological benefit to the patient than for any physiological effect.