Dr. Gavin is conducting a 2 × 4 independent-groups factorial design. How many main effects will Dr. Gavin need to examine? Answer is 2, but I thought it is 6. Could you explain why? (Please type your answer. )

Dr. Gavin is conducting a 2 × 4 independent-groups factorial design. How many main effects will Dr. Gavin need to examine? Answer is 2, but I thought it is 6. Could you explain why? (Please type your answer. )

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Dr. Gavin is conducting a 2 × 4 independent-groups factorial design. How many main effects will Dr. Gavin need
to examine?

Answer is 2, but I thought it is 6.

Could you explain why?

(Please type your answer. )

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