Among the Following Designs,which Allows Researchers to Rule Out the Most

question 58

Multiple Choice

Among the following designs,which allows researchers to rule out the most threats to internal validity?

• A)times series design with nonequivalent control group
• B)one group pretest-posttest design
• C)simple interrupted time series design
• D)nonequivalent control group design

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Definitions:

Cardiac Output

The amount of blood circulated by the heart through the circulatory system every minute.

Stroke Volume

The amount of blood pumped out of the ventricle of the heart during each heartbeat, a crucial component of cardiac output.

Heart Rate

is the number of heartbeats per unit of time, usually per minute, indicating cardiovascular activity.

Hypertension

A long-lasting health issue characterized by consistently high blood pressure within the arteries.