| A cross-sectional study of the acquisition of grammatical morphemes in child speech JG De Villiers, PA De Villiers Journal of psycholinguistic research 2 (3), 267-278, 1973 | 1180 | 1973 |
| Language acquisition JG De Villiers, PA De Villiers Harvard University Press, 1978 | 935 | 1978 |
| Linguistic determination and the understanding of false beliefs JG De Villiers, PA De Villiers Children's reasoning and the mind, 205-242, 2014 | 823 | 2014 |
| Language and theory of mind: A study of deaf children B Schick, P De Villiers, J De Villiers, R Hoffmeister Child development 78 (2), 376-396, 2007 | 785 | 2007 |
| Choice in concurrent schedules and a quantitative formulation of the law of effect P de Villiers Handbook of operant behavior, 233-287, 2022 | 762 | 2022 |
| Toward a law of response strength. PA de Villiers, RJ Herrnstein Psychological Bulletin 83 (6), 1131, 1976 | 386 | 1976 |
| Early language PA De Villiers, JG De Villiers Harvard University Press, 1979 | 309 | 1979 |
| Early judgments of semantic and syntactic acceptability by children PA De Villiers, JG de Villiers Journal of Psycholinguistic Research 1 (4), 299-310, 1972 | 301 | 1972 |
| Development of the use of word order in comprehension JG De Villiers, PA de Villiers Journal of Psycholinguistic Research 2 (4), 331-341, 1973 | 292 | 1973 |
| Diagnostic evaluation of language variation, norm referenced: DELV HN Seymour, T Roeper, JG De Villiers, PA De Villiers, BZ Pearson Ventris Learning LLC, 2022 | 282 | 2022 |
| The acquisition of English JG De Villiers, PA De Villiers The crosslinguistic study of language acquisition, 27-139, 2017 | 279 | 2017 |
| Fish as a natural category for people and pigeons RJ Herrnstein, PA de Villiers Psychology of learning and motivation 14, 59-95, 1980 | 243 | 1980 |
| 13 The Role of Language in Theory-of-Mind Development: What Deaf Children Tell Us PA De Villiers Why language matters for theory of mind, 266, 2005 | 221 | 2005 |
| The role of language in theory of mind development JG De Villiers, PA de Villiers Topics in Language Disorders 34 (4), 313-328, 2014 | 206 | 2014 |
| Competence and performance in child language: Are children really competent to judge? JG De Villiers, PA De Villiers Journal of Child Language 1 (1), 11-22, 1974 | 199 | 1974 |
| Enhancing early child care quality and learning for toddlers at risk: the responsive early childhood program. SH Landry, TA Zucker, HB Taylor, PR Swank, JM Williams, M Assel, ... Developmental psychology 50 (2), 526, 2014 | 174 | 2014 |
| Handbook of operant behavior PA De Villiers, WK Honig, JER Staddon | 153 | 1977 |
| The central problem of functional categories in the English syntax of oral deaf children J De Villiers, P De Villiers, E Hoban Constraints on Language Acquisition, 9-47, 2014 | 141 | 2014 |
| Imagery and theme in recall of connected discourse. PA de Villiers Journal of Experimental Psychology 103 (2), 263, 1974 | 138 | 1974 |
| Language for thought: Coming to understand false beliefs JG de Villiers, PA de Villiers | 128 | 2003 |
