## 3 Results and Discussion
### Indoor Environmental Quality  
In LEED-Civ3 (Table 9), in the Chinese projects, seven credits (EQc2: Increased Ventilation; EQc3.1: Construction Indoor Air Quality (IAQ) Management Plan--During Construction; EQc3.2: Construction \begin{table}
\begin{tabular}{c c c c c c} \hline \hline
**Credit/Category** & **Country/\(\mathbf{\xi_{1}}\)** &
\begin{tabular}{c} **Possible** \\ **Points** \\ \end{tabular} & \multicolumn{2}{c}{**Achieved Points**} & \multicolumn{1}{c}{\(\mathbf{\xi_{2}}\)**/In\(\mathbf{\theta}\)**} \\ \hline  & & & 0.0 0.0–0.5 & 0.0 0.0–1.0 & \(-0.58\)1  \\ MRc1 Long-Term & \multirow{2}{*}{China \(\delta_{1}\)} & & _0.31_ & _0.45_ & X \\  & & 1 & 1.0 1.0–1.0 & 1.0 1.0–1.0 & 0.22  \\  & & & **0.84** & **0.81** & X \\ MRc2 Interior Life & \multirow{2}{*}{China \(\delta_{1}\)} & & 0.0 0–2.0 & 0.0 0–2.0 & \(-0.04\) \\ Cycle Impact & & 4 & 0.00 & 0.00 & X \\ Reduction & The U.S. \(\delta_{1}\) & & 0.0 0–1.0 & 1.0 0–1.0 & \(-0.17\) \\ MRc3 BPD and & \multirow{2}{*}{China \(\delta_{1}\)} & & 0.00 0–0.0 & 0.0 0–0.0 & \(-0.08\) \\ O—Environmental & & 2 & 0.00 & 0.00 & X \\ Product & & 1.0 0–1.0 & 1.0 0–1.0 & 0.06 \\ Declarations & & & 0.00 & 0.00 & X \\  & & & 0.0 0–0.0 & 0.0 0–0.0 & \(-0.01\) \\ MRc4 BPD and & \multirow{2}{*}{China \(\delta_{1}\)} & & 0.00 0–0.0 & 0.00 & X \\ O—Sourcing of & & 2 & 0.00 0–1.0 & 0.0 0–1.0 & \(-0.01\) \\ Raw Materials & The U.S. \(\delta_{1}\) & & 0.03 0.03 & X \\ MRc5 BPD and & \multirow{2}{*}{China \(\delta_{1}\)} & & 0.0 0–0.0 & 0.0 0–0.0 & 0.01 \\ O—Material & & 2 & 0.00 0.00 & X \\ Ingredients & The U.S. \(\delta_{1}\) & & 1.0 0–1.0 & 1.0 0–1.0 & 0.04 \\  & & & 0.08 0.00 & 0.00 & X \\ MRc6 Construction & \multirow{2}{*}{China \(\delta_{1}\)} & & 2.0 2–2.0 & 2.0 2–2.0 & \(-0.06\) \\ and Demolition & & & **0.94** & **0.94** & X \\ Waste Management & The U.S. \(\delta_{1}\) & & 2.0 1–2.0 & 2.0 1–2.0 & \(-0.05\) \\  & & **0.68** & **0.72** & X \\ MR Total & \multirow{2}{*}{China \(\frac{\mathrm{i}}{\mathrm{D}}\)} & & 3.0 2.0–4.0 & 3.0 3.0–5.0 & \(-0.15\) \\  & & The U.S. & 5.0 4.0–6.0 & 5.0 4.0–6.5 & \(-0.07\) \\ \hline \hline \end{tabular} Notes: BPD and O: BPD and O—Building Product Disclosure and Optimization. The \(\delta\) effect size is considered to be (i) negligible if \(|\delta|<0.147\), (ii) _small_ if \(0.147\leq|\delta|<0.33\), (iii) _medium_ if \(0.33\leq|\delta|<0.474\), and (iv) **large** if \(|\delta|\geq 0.474\).  
\({}^{1}\) The \([\ln\theta]\) effect size thresholds are considered to be \(0.51\) (_small_), \(1.24\) (_medium_), and \(1.90\) (large).  
\end{table} 
Table 8: LEED-Civ4 Materials and Resources (MR) credits category: The median and 25 th–75 th centiles and [PERSON]’s effect size (\(\delta_{1}\)) of the difference between the achieved and the possible points, and (\(\delta_{2}\)) or \(\ln\theta\) of the difference between Silver and Gold projects in China and the U.S.  
IAQ Management Plan--Before Occupancy; EQc4.1: Low-Emitting Materials--Adhesives and Sealants; EQc4.2: Low-Emitting Materials--Paints and Coatings; EQc7.1: Thermal Comfort--Design; EQc7.2: Thermal Comfort--Verification) had high performance in both the Silver and Gold projects, and two credits (EQc4.3: Low-Emitting Materials--Flooring Systems and EQc4.5: Low-Emitting Materials--Systems Furniture and Seating) had medium performance in the Gold certification only; all other EQ credits had low performance in both the Silver and Gold projects.