Edited sentence: " In other words, these divisions, are closely aligned with local "social constructs" of race, the outcomes for ethnic groups are, in the opinion of these authors, a result of the social structure rather than confirmation of its validity.+Group Differences Around the World., Patterns of Intellectual Ability.American Indians.American IndiansChurch Academic Achievement.AustraliaKlich Aboriginal Cognition and Psychological Science; Clark and Halford, Does Cognitive Style Account for Cultural Differences.BelgiumRaven, The Raven Progressive Matrices esp fig.CzechoslovakiaAdamovic, Intellectual Development and Level of Knowledge in Gypsy Pupils.Eastern Jews.Fischer, Michael Hout, Martín Sánchez Jankowski, Samuel R.High caste.Home Background.IndiaDas and Khurana, Catse and Cognitive Processes.Irish, Scottish.IsraelKugelmass et al.JapanShimahara, Social Mobility and Education.Japanese Origin.Korean Origin.Low caste.Lucas, Ann Swidler, and Kim Vos.New ZealandOgbu, Minority Education and Caste.Northern IrelandLynn et al.Source: Inequality by Design: Cracking the Bell Curve Myth by Claude S.South AfricaVerster and Prinsloo, The Diminishing Test Performance Gap.South Korea SAGE, School Psychology.Southeast Asians.Status or Caste Position.Test Scores, School Success.These results, just like the inferior test scores of Eastern and Southern Europeans immigrants in the United States 75 years ago, may represent a social division that leads to the gaps in test scores, rather than a pre-established and "natural" hierarchy of "races.This table illustrates how social status or caste position is related to test scores and school success in nations around the world.Tribal people.United KingdomRichard Lynn discussed in Benson Ireland's 'Low' IQ.United StatesThe Bell Curve and many other places.Western Jews