The uncanny valley effect (UVE) is a negative emotional response experienced when encountering entities that appear almost human. Research on the UVE typically investigates individual. or collections of. near human entities but may be prone to methodological circularity unless the properties that give rise to the emotional response are appropriately defined and quantified. https://www.roneverhart.com/MagnaFlow-2001-2004-Kia-Spectra-California-Grade-CARB-Compliant-Direct-Fit-Catalytic-Converter/