If the main effect of Factor A on the response is 2.5, what does it show

OPTIONS

• Factor A decreases response by 2.5
• Factor A increases response by 2.5
• Response increases factor A by 2.5
• Response decreases factor A by 2.5

ANSWER

Factor A increases response by 2.5

EXPLANATION

A main effect showing up as X indicates the impact of the factor on the response, so SECOND OPTION is correct.