 ትክክለኛ ንድፍ Ferraro, Miranda, and Price (2011) ሦስት ሕክምናዎች ጨምሮ የክፍልፋይ ብዜት ንድፍ ነበር: ምክሮች; ጠቃሚ ምክሮች + ይግባኝ; እና ጠቃሚ ምክሮችን + ይግባኝ; + የአቻ መረጃ (ምስል 4.
Kamangidwe enieni a Ferraro, Miranda, and Price (2011) anali fractional factorial kapangidwe kuti m'gulu mankhwala atatu: nsonga; nsonga + ndikaonekere; ndipo nsonga + pempho + mudziwe anzawo (Chithunzi 4.10).