How Do We Test for Moderation

question 5

Multiple Choice

How do we test for moderation?

• A)Look at the effect of the moderator variable in a regression in which the outcome is predicted from a predictor and the proposed moderator.
• B)Look at the indirect effect of a predictor on an outcome variable via the proposed moderator.
• C)Look at the reduction in the direct effect of a predictor on an outcome variable when the proposed moderator is also included.
• D)Look at the interaction term in a regression in which the outcome variable is predicted from a predictor, the proposed moderator and their interaction.

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Definitions:

Expiratory Reserve Volume (ERV)

The maximum volume of air that can be forcibly exhaled after the expiration of a normal tidal volume.

Expiratory Capacity (EC)

The maximum volume of air that can be exhaled after a normal inhalation.

Tidal Volume (TV)

Tidal Volume refers to the amount of air inhaled or exhaled during normal breathing.

Expiratory Reserve Volume (ERV)

The volume of air that can be forcefully exhaled after a normal tidal volume exhalation.