Which of the following factors is included in Quality Acceptance?

Quality Acceptance in the context of soils and aggregate inspection primarily focuses on ensuring that materials meet the specified standards and requirements established for construction and engineering projects. Inspection is a critical component of this process, as it involves systematic evaluation and testing of materials to verify their quality. By conducting thorough inspections, inspectors assess characteristics such as compaction, moisture content, and particle size distribution, which are vital for determining if the materials comply with relevant specifications and standards.

The role of inspection in Quality Acceptance is to provide the necessary validation that materials are suitable for use, thus ensuring the safety and integrity of construction projects. This factor aligns with the goals of Quality Acceptance, which aims to maintain high standards in material quality through diligent evaluation and oversight.

The other options—advertising, sales performance, and market research—while important in various business contexts, do not directly pertain to the assessment and verification of material quality in construction. These elements relate more to marketing and business performance rather than to the quality assurance processes that are critical in the field of soils and aggregate inspection.