If Two Dummy-Coded Variables Were Used to Create an Interaction

question 12

Multiple Choice

If two dummy-coded variables were used to create an interaction term for multiple regression, which of the following would be true?

• A) The two original dummy-coded variables could be omitted from the analysis
• B) Codes for the interaction term would be either 1 or -1
• C) Codes for the interaction term would be either 1 or 0
• D) There would be a minimum of four predictors in the analysis

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