A Controlled Study in Which Neither the Patient nor the Examiner

question 25

Multiple Choice

A controlled study in which neither the patient nor the examiner is aware of whether the patient is receiving a treatment,is called a(n)

• A) statistical study.
• B) double-blind study.
• C) variable study.
• D) adaptive study.
• E) blind study.

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Definitions:

T-Test

A T-test is a statistical test used to compare the means of two groups to see if they are significantly different from each other, commonly used when data follows a normal distribution.

Matched Pairs Experiment

An experimental design in which the participants are paired up according to a specific criterion, ensuring that each pair is as similar as possible, and then different treatments are applied to the members of each pair.

Paired Data

Paired data refers to sets of data where each pair of observations is related in some way, commonly used in studies that involve matched subjects or before-and-after comparisons.

Independent Samples

Two or more groups of data that are collected from separate populations and are not related or paired in any way.