IQ testing discourse explicitly recommended segregating racial and class groups into manual training

Evidence

Children of this group should be segregated in special classes… . They cannot master abstractions, but they can often be made efficient workers. — Samuel Bowles and Herbert Gintis, Schooling in Capitalist America, 1106

Categorization

• DEFINE: Concrete historical instance where ‘measured ability’ functioned as a sorting rationalization for a two-track labor hierarchy.
• XREF: connects to: Discredited phrenology was succeeded by IQ testing defending racial hierarchy — Robert P. Jones, White Too Long: The Legacy of White…, 60; Standardized testing emerged as pseudo-objective justification for racial discrimination — Ibram X. Kendi, Stamped from the Beginning: The…, 815; IQ testing legitimated the US 1924 Immigration Act’s racial exclusion (+1 more)

Broader Connections

• Discredited phrenology was succeeded by IQ testing defending racial hierarchy #expands (0.90) — Robert P. Jones, White Too Long, 60
• Standardized testing emerged as pseudo-objective justification for racial discrimination #corroborates (0.85) — Ibram X. Kendi, Stamped from the Beginning, 815
• IQ testing legitimated the US 1924 Immigration Act’s racial exclusion #expands (0.85)
• Postwar IQ testing data grouped immigrant whites into inferior racial ranks #expands (0.80) — John Higham, Strangers in the Land, 1664