He criticised speculative philosophy, equating metaphysics with ideology. Hitler often denounced democracy, equating it with internationalism. Perhaps the most common misconception is simply equating the growth mindset with effort. Red fascism is a term equating Stalinism and Maoism with fascism. The characteristic equation is the equation obtained by equating to zero the characteristic polynomial. Propensity scores are used to reduce selection bias by equating groups based on these covariates. Frazer routinely described non-Christian religious figures by equating them with Christian ones. German economist Stefan Homburg criticizes Piketty for equating wealth with capital. He defended the value of women by equating men's lust to adultery, punishable by hell. Matthew appears to present Jesus as equating wickedness with encouraging antinomianism. Tatchell denies equating Sizzla with Hitler. On November 15, 2013, Bashir criticized Palin for equating the federal debt to slavery. Mark thus might be equating Jesus with God. This score interchangeability is achieved through a statistical procedure referred to as score equating. Communist leaders were still equating the HSS and the Catholic clergy with the Crusaders.