2012, the committee provided its comments to the consultant in open session regarding changes that the consultant should consider incorporating into the methodology before embarking on data collection.

At the second meeting in September 2012, the committee was briefed on the consultant’s final methodology, analysis, and findings. The committee received the consultant’s final report at the end of September for an in-depth evaluation. The consultant’s report as it was submitted to the committee is contained in Appendix C.

As a group, the committee developed findings based on the synthesis of the results from the 25 studies reviewed as part of the literature search. Because of the large variation in these studies in terms of sample sizes, building types, baselines, methodologies, and information included, and the confounding factors inherent in research related to high-performance or green buildings, the committee relied on the “preponderance” of evidence to develop its findings.

The committee evaluated the DOD consultant’s report and based its findings on the expertise and experience of its own members and on the literature search. The committee’s recommended approaches for DOD’s consideration as DOD develops its comprehensive strategy for the pursuit of design and building standards, including those for energy efficiency and sustainability, are based on the findings related to the literature review, the evaluation of the DOD consultant’s report, and the committee members’ expertise and experience.

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