An A-B-A Design Is a Single-Subject Design in Which Researchers

question 55

Multiple Choice

An A-B-A design is a single-subject design in which researchers establish a baseline, introduce the intervention and measure the same variable again, then remove _____ and take another measurement.

• A) the dependent variable
• B) the intervention
• C) the manipulation
• D) the independent variable

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Definitions:

Epiglottis

A leaf-shaped flap of cartilage located behind the tongue, which closes over the windpipe during swallowing to prevent food from entering the airways.

Nasal Cavity

The interior space of the nose, lined with mucosa, involved in breathing and the olfactory process.

Pharynx

A muscular tube that connects the mouth and nasal passages with the esophagus and larynx, playing a key role in both the respiratory and digestive systems.

Hyperventilates

Excessively rapid or deep breathing, which can lead to a decrease in carbon dioxide in the blood, causing lightheadedness or tingling of the limbs.