close
The Wayback Machine - https://web.archive.org/web/20220623105452/https://cmu.academia.edu/RobertSiegler
Skip to main content
Papers
Cognitive Development, 1986
Psyccritiques, 1991
PsycCRITIQUES, 1986
Determined whether 24 male and female middle-class American 5th graders could solve B. Inhelder a... more
Monographs of the Society for Research …, 2000
© 1986 by Martin Hughes 350 Main Street, Maiden, MA 02148-5018, USA 108 Cowley Road, Oxford OX4 1... more
Cognitive Development, 1986
Psyccritiques, 1991
PsycCRITIQUES, 1986
Determined whether 24 male and female middle-class American 5th graders could solve B. Inhelder a... more
Monographs of the Society for Research …, 2000
© 1986 by Martin Hughes 350 Main Street, Maiden, MA 02148-5018, USA 108 Cowley Road, Oxford OX4 1... more