==Selected works==* "Educational Psychology" (1903)* "Introduction to the Theory of Mental and Social Measurements" (1904)* "The Elements of Psychology" (1905)* "Animal Intelligence" (1911)* "The Teacher's Word Book" (1921)* "The Psychology of Arithmetic" (1922)* "The Measurement of Intelligence" (1927)* "Human Learning" (1931)* "A Teacher's Word Book of the Twenty Thousand Words Found Most Frequently and Widely in General Reading for Children and Young People" (1932)* "The Fundamentals of Learning" (1932)* "The Psychology of Wants, Interests, and Attitudes" (1935)* "The Teacher's Word Book of 30,000 Words" (co-authored with Irving Lorge) (1944)===Articles===* "Some Experiments on Animal Intelligence," Science, Vol.
Ha due figli, entrambi avuti dalla moglie Stéphanie: Manolo, nato nel 2004, e Ludmilla, nata nel 2009.