In a Clinical Trial,researchers Might Influence the Selection of Participants

question 3

Multiple Choice

In a clinical trial,researchers might influence the selection of participants into a group (intervention or control) ,hence introducing bias into the study.What can be done to prevent from this threat to the validity of the study?

• A) Confounding
• B) Randomization
• C) Concealment of random allocation
• D) Masking
• E) Effect modifiers

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Definitions:

One-sample T Test

A statistical test used to determine whether the mean of a single sample differs significantly from a known or hypothesized population mean.

Standard Error

A statistical measure that estimates the accuracy of a sample mean by quantifying the dispersion of sample means around the population mean.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, showing how much the values differ from the mean.

Blood Pressure

The pressure of circulating blood against the walls of blood vessels, important for diagnosing cardiovascular health.