Methods the factors were extracted by principal component analysis and rotated by Varimax, then calculated the factor loading and the score of common factors.
方法用主成分法提取因子进行方差最大正交旋转，计算因子负荷及主因子得分。
2
The 7 common factors which come from factoranalysis almost consisted with theoretic structure, and the contributing rate of cumulative sums of squares was 66.03%.
因为分析产生的7个公因子与理论结构基本一致，累积方差贡献率为66.03%。
3
The construct validity of the questionnaire was good by factoranalysis, and 15 common factors including knowledge, attitude, belief and practice could explain 58.381% of the questionnaire.