A Double-Blind Procedure Is When One Group Is Given a Placebo

question 50

True/False

A double-blind procedure is when one group is given a placebo and the other is given an actual drug.

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Definitions:

Type II Error

A statistical error that occurs when a false null hypothesis is not rejected, meaning a real effect or difference was failed to be detected.

Sample Size

The number of observations or data points collected in a sample from a population, used for statistical analysis.

Power of Test

Refers to the probability that the test correctly rejects the null hypothesis when the alternative hypothesis is true.

Type II Error

The error made when a statistical test fails to reject a false null hypothesis, also known as a false negative outcome.