Which of These Is One of the Conditions Necessary to Establish

question 84

Multiple Choice

Which of these is one of the conditions necessary to establish causal inferences?

• A)The two variables are not correlated.
• B)Multiple alternative explanations exist for the correlation.
• C)The presumed cause precedes the presumed effect in time.
• D)The study was conducted in an open environment.
• E)The sample size is large enough.

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Definitions:

Laryngectomy

A surgical procedure to remove the larynx, often due to cancer, which may result in the loss of voice.

Laryngoscope

A medical instrument used to obtain a view of the vocal folds and the glottis, which is the space between the vocal cords.

Laryngoscopy

A diagnostic procedure that uses a special instrument called a laryngoscope to view the throat and larynx.

Pertussis

A highly contagious bacterial disease also known as whooping cough, characterized by intense coughing fits.