Individual factor is divided into cognition factor , personality factor , competence factor and appearance factor . mutual factor is divided into mutual space / distance factor , mutual intercourse frequency factor , mutual similarity factor , mutual complementary factor and mutual adoration factor . and exterior factor is considered to include social circumstance factor and school circumstance factor 再對三大因素分別進行進一步聚類分析,個體因素又被分成認知因素、個性品質因素、能力因素和儀表因素;雙方互動因素被分成雙方空間距離因素、雙方交往頻率因素、雙方相似因素、雙方互補因素和相悅因素;外部因素被分成社會環(huán)境因素和學校環(huán)境因素。