Field verification in quality control primarily involves what type of assessment?

Field verification in quality control focuses on the direct, hands-on assessment of the construction work taking place on-site. This process is essential for ensuring that the work meets established specifications and standards. By conducting on-site assessments, quality control managers can observe workmanship, check materials, and verify that construction practices are being followed properly.

This tangible approach allows for immediate identification of any discrepancies or issues that may arise during the construction process, enabling timely corrective actions. Field verification is critical in maintaining the integrity of the overall project by ensuring compliance with design and quality requirements, which ultimately contributes to the project's success.

The other options represent methods or aspects of project management that are not specifically tied to the physical verification of work being executed at the job site. Virtual assessments may simulate construction processes but lack the direct observation necessary for quality control. Monitoring project costs relates to financial aspects rather than the qualitative factors of construction work, and evaluating QC personnel performance focuses on assessing the effectiveness of the quality control team rather than the work being produced.