what is the cell size of one trial which cell is the fractional factorial design? a. treatment b. no treatment cell size for fractional factorial design how many cells should a factorial design have why are cell size important for factorial design how many patients are in cell a what is the cell size of the no treatment trial how many cells should be included in a fractional factorial design in the study? what is the fractional factorial design which of the following is included in the cell design how many cells are there in the no treatment cell which type of study design has the same number of cells with each treatment present vs. absent? fractional factorial design definition how to find how many participant in each cell in a no treatment trial? which factor should cells be included in a factorial design how is a cell numbered in a factorial design what cell size should a trial cell be when should the cell size be equal what cell size is considered a cell why cell size should be considered as fractional factorial design