Robert J.R.J.SternbergRobert J.R.J., Competence Versus Performance Models of People and Tests: A Commentary on Richardson and Norgate, „Applied Developmental Science”, 3, 2015, s. 170–175, DOI: 10.1080/10888691.2015.1008920, ISSN1088-8691 [dostęp 2017-01-05].
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EricE.TurkheimerEricE. i inni, Socioeconomic status modifies heritability of IQ in young children, „Psychological Science”, 14 (6), 2003, s. 623–628, ISSN0956-7976, PMID: 14629696 [dostęp 2017-01-12].
Marinus H. vanM.H.IjzendoornMarinus H. vanM.H., FemmieF.JufferFemmieF., Caroline W. KleinC.W.K.PoelhuisCaroline W. KleinC.W.K., Adoption and cognitive development: a meta-analytic comparison of adopted and nonadopted children's IQ and school performance, „Psychological Bulletin”, 2, 2005, s. 301–316, DOI: 10.1037/0033-2909.131.2.301, ISSN0033-2909, PMID: 15740423 [dostęp 2017-01-05].
HeinerH.RindermannHeinerH., DavidD.BeckerDavidD., Thomas R.T.R.CoyleThomas R.T.R., Survey of Expert Opinion on Intelligence: Causes of International Differences in Cognitive Ability Tests, „Educational Psychology”, 2016, s. 399, DOI: 10.3389/fpsyg.2016.00399, PMID: 27047425, PMCID: PMC4804158 [dostęp 2017-01-05].1 stycznia
EricE.TurkheimerEricE. i inni, Socioeconomic status modifies heritability of IQ in young children, „Psychological Science”, 14 (6), 2003, s. 623–628, ISSN0956-7976, PMID: 14629696 [dostęp 2017-01-12].
Robert J.R.J.SternbergRobert J.R.J., Competence Versus Performance Models of People and Tests: A Commentary on Richardson and Norgate, „Applied Developmental Science”, 3, 2015, s. 170–175, DOI: 10.1080/10888691.2015.1008920, ISSN1088-8691 [dostęp 2017-01-05].
Marinus H. vanM.H.IjzendoornMarinus H. vanM.H., FemmieF.JufferFemmieF., Caroline W. KleinC.W.K.PoelhuisCaroline W. KleinC.W.K., Adoption and cognitive development: a meta-analytic comparison of adopted and nonadopted children's IQ and school performance, „Psychological Bulletin”, 2, 2005, s. 301–316, DOI: 10.1037/0033-2909.131.2.301, ISSN0033-2909, PMID: 15740423 [dostęp 2017-01-05].