How to test their experiments to test all the term changes to the value of each factor. By each factor, changed the trial level 2 are all equal to 2k, where k is the number of factors.
Methods The trial will be conducted in all conditions change all the factors. Each level requires two factors have changed the whole experiment is 2k where k is the number of factors.
The experimental method that the experiment will be conducted on all conditions to change the value of all factors. By each factor change 2 level. Will the experiment all equal 2K without K is the number of factors.