TY - JOUR T1 - Comparison between AHP and FAHP in buyer preferences ranking (Case study: house hold industry) TT - مقایسه تطبیقی AHP و AHP فازی در رتبه‌بندی ترجیحات خرید (مورد مطالعه: صنعت لوازم خانگی) JF - JAMLU JO - JAMLU VL - 9 IS - 1 UR - http://jamlu.liau.ac.ir/article-1-368-en.html Y1 - 2012 SP - 0 EP - 0 KW - Purchase Preferences KW - Analytical Hierarchy Process KW - Fuzzy AHP KW - Fuzzy Ranking. N2 - This research is proposed and accomplished to compare AHP and Fuzzy AHP, in consumers’ believes assessment and to rank the criteria in choice a refrigerator brand. The questions that would answer in this research are: What criteria are noticed to buy household appliance? Which ranking do these criteria have? Do the consumers differ between the quantitative and qualitative criteria, for choose a brand? Does decision making based on definite criteria, have a significant difference from decision making based on fuzzy criteria? In this research, pure data analyzed by three methods: 2-level classic AHP, 2-level fuzzy AHP and 3-level fuzzy AHP by means of expert choice software, and in ever methods, nearest ranks observed in ranking by 3-level fuzzy AHP, and then 2-level fuzzy AHP. M3 ER -