The three-factor fixed effects model, with the same number of observations for each combination of levels I, J, and K of the three factors A, B, and C, respectively, is represented by . Which of the following statements are true?
A) The restrictions necessary to obtain uniquely defined parameters are that the sum over any subscript of any parameter on the right-hand side of the above equation equals 0.
B) The parameters $\alpha _ { i } ^ { \prime } s , \beta _j ' s , \text { and } \delta _ { k} ^ { \prime } s$ Are called the main effects of the factors A, B, and C, respectively.
C) The parameters Are called two-factor interactions.
D) The parameter Is called a three-factor interaction.
E) All of the above statements are true.

Question

The three-factor fixed effects model, with the same number of observations for each combination of levels I, J, and K of the three factors A, B, and C, respectively, is represented by  . Which of the following statements are true?
A) The restrictions necessary to obtain uniquely defined parameters are that the sum over any subscript of any parameter on the right-hand side of the above equation equals 0. 
B) The parameters $\alpha _ { i } ^ { \prime } s , \beta _j ' s , \text { and } \delta _ { k} ^ { \prime } s$ Are called the main effects of the factors A, B, and C, respectively. 
C) The parameters Are called two-factor interactions. 
D) The parameter Is called a three-factor interaction. 
E) All of the above statements are true.

Quizplus · Accepted Answer

The Answer of The three-factor fixed effects model, with the same number of observations for each combination of levels I, J, and K of the three factors A, B, and C, respectively, is represented by  . Which of the following statements are true?
A) The restrictions necessary to obtain uniquely defined parameters are that the sum over any subscript of any parameter on the right-hand side of the above equation equals 0. 
B) The parameters $\alpha _ { i } ^ { \prime } s , \beta _j ' s , \text { and } \delta _ { k} ^ { \prime } s$ Are called the main effects of the factors A, B, and C, respectively. 
C) The parameters Are called two-factor interactions. 
D) The parameter Is called a three-factor interaction. 
E) All of the above statements are true.

The Three-Factor Fixed Effects Model, with the Same Number of Observations