風水強調「藏風聚氣」的擇地選址，被認為有趨吉避凶之效，然而風水常被視為迷信，因為缺乏信度與效度的檢驗以及重複驗證。本研究綜合70位風水專家對18個地點在建物、龍、砂、穴、水、向、整體的主觀吉凶判斷資料，以及這18個地點的客觀地形特徵資料，以進一步檢驗風水專家主觀吉凶判斷的效度，並預測、解釋風水專家在建物、龍、砂、穴、水、向、整體等主觀吉凶判斷之間的關係，此外也以實質客觀的地形特徵預測、解釋風水專家的主觀吉凶判斷。結果發現：(1) 建物、龍、砂、穴、水、向、整體的主觀吉凶判斷都為顯著正相關（Spearman's rho>0.6）；(2) 建物、龍、砂、穴、水、向、整體的主觀吉凶判斷可萃取出一個因子，其可解釋75.61%的變異量，具有「建構效度」；(3) 客觀地形特徵中的青龍白虎量體的比值減少，龍穴至白虎、朱雀、溪流的距離增加，以及空間封閉性的增加，則整體主觀好風水的機率顯著增加，該次序迴歸方程式可預測幾近100%的可能性，具有非常良好的整體效應值。本研究的結果對巒頭風水的信度與效度提出若干佐證，尤其無論是風水專家的主觀吉凶判斷、還是客觀的地形特徵資料等的驗證，都符合「藏風」的原則。

Feng Shui emphasizes wind protection and qi accumulation for site selection, which is supposed to have values of pursuing good fortune and avoiding disaster. However, Feng Shui is often regarded as a superstition due to a lack of examinations of its reliability and validity and replications. This study combined the data on 70 Feng Shui experts’ subjective evaluations of 18 sites regarding building, long, sha, xue, shui, xiang, and overall situation and the data on the geographic features of the 18 sites measured objectively in order to further examine the validity of the Feng Shui experts’ subjective evaluations, to predict and explain the relations among building, long, sha, xue, shui, xiang, and overall situation, and to predict and explain the Feng Shui experts’ subjective evaluations using the physically and objectively geographic features. The results showed that: (1) all the relations among building, long, sha, xue, shui, xiang, and overall situation were significantly positive (Spearman’s rho>0.6); (2) one factor was extracted from the evaluations of building, long, sha, xue, shui, xiang, and overall situation, explaining 75.61% of variances, which demonstrated construct validity; (3) the decrease in the ratio of qing long to bai hu, the increase in the distance from long xue to bai hu, zhu que, and the river, and the increase in the spatial closeness significantly increased the odds of the subjective overall good Feng Shui evaluations, explaining almost 100% likelihood of the ordinal regression, which indicated an excellent overall effect size. This study provided some evidence of the reliability and the validity of luan tou Feng Shui. Not only the Feng Shui experts’ subjective evaluations but also the geographic features measured objectively were in accord with the principle of wind protection of Feng Shui.