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The assertion that a linear design process is not effective for creating high-performing buildings is valid. High-performing buildings typically require an integrated design approach that fosters collaboration among various stakeholders, including architects, engineers, and energy professionals from the beginning stages of the project. A linear design process, which often involves sequential phases where each discipline works in isolation, can lead to inefficiencies, missed opportunities for optimization, and a lack of holistic strategies that are essential for ensuring energy efficiency and sustainability.

In contrast, a collaborative approach allows for the simultaneous consideration of the many factors that influence a building's performance, including energy systems, materials, site orientation, and occupant needs. This integrated method not only enhances the overall design but also enhances functionality and sustainability, resulting in buildings that perform better in terms of energy use and environmental impact.

The other options do not hold up because while aspects of building performance may vary between residential and commercial contexts, the importance of an integrated design process remains significant in both scenarios. Therefore, the idea that a linear design process is ineffective for high-performing buildings highlights the need for collaborative, multi-disciplinary efforts in the design and building lifecycle.