Quality Monitoring and Multitasking Substitution
Quality monitoring decreases output quantity by 0.440 to 0.689 units per day (p < 0.01) while significantly improving quality by reducing sorting errors by 0.561 to 0.744 errors per unit (p < 0.01). Explicit quality monitoring does not increase worker reservation rates (WTA effect = -0.431 MWK, p > 0.10).