DECALAGE By N., Sam M.S. - 228 Jean Piaget's theory of cognitive development about the invariant order that cognitive developments occur in. See horizontal or vertical decalage. DECALAGE: "Decalage is a French word meaning an interval or shift." Related Psychology Terms Piaget’s Theory of Cognitive Development LANGUAGE (Psycholinguistics) ESTHETICS ADOLESCENCE (Theories) Identifying Relevant Theories and Models JUNG, CARL GUSTAV (1875-1961) CHILD PSYCHOLOGY HOMOSEXUALITY (ETIOLOGY AND THERAPY) CANNON, WALTER BRADFORD (1871-1945) EMOTION (Theories) Cite this page: N., Sam M.S., "DECALAGE," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/decalage/ (accessed June 28, 2022).