TY - GEN AU - Lewis,C AU - Osborne,A TI - Three-year-olds' problems with false belief: conceptual deficit or linguistic artifact? SN - 0009-3920 PY - 1991///0109 KW - Child, Preschool KW - Concept Formation KW - Female KW - Humans KW - Judgment KW - Language Development KW - Male KW - Semantics KW - Set, Psychology KW - Thinking N1 - Publication Type: Journal Article ER -