A Variable Such as Z, Whose Value Is Z =

question 39

Multiple Choice

A variable such as z, whose value is z = x₁x₂, is added to a general linear model in order to account for potential effects of two variables x₁ and x₂ acting together. This type of effect is

• A) impossible to occur.
• B) called interaction.
• C) called multicollinearity effect.
• D) one of the transformation effects.

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