J. Kingma and W. Koops

On the Sequentiality of Ordinality and Cardinality
International Journal of Behavioral Development 1981 4: 391-402. [Abstract] [PDF] [References]  

Roberta Corrigan, Esther Halpern, Ora Aviezer, and Allan Goldblatt

The Development of Three Spatial Concepts: In, on, under
International Journal of Behavioral Development 1981 4: 403-419. [Abstract] [PDF] [References]  

Peter K. Smith, Mary Dalgleish, and Guy Herzmark

A Comparison of the Effects of Fantasy Play Tutoring and Skills Tutoring in Nursery Classes
International Journal of Behavioral Development 1981 4: 421-441. [Abstract] [PDF] [References]  

Lisa Lubin and Tiffany Field

Imitation During Preschool Peer Interaction
International Journal of Behavioral Development 1981 4: 443-453. [Abstract] [PDF] [References]  

David F. Lancy, Randall J. Souviney, and Venina Kada

Intra-Cultural Variation in Cognitive Development: Conservation of Length Among the Imbonggu
International Journal of Behavioral Development 1981 4: 455-468. [Abstract] [PDF] [References]  

M. V. Cox, P. Batra, and S. Singhal

A Cross-Cultural Study of Young Children's Understanding of Spatial Prepositions
International Journal of Behavioral Development 1981 4: 469-476. [Abstract] [PDF] [References]  

Eleanor J. Gibson

The Ecological Approach to Perception and its Significance for Developmental Psychology
International Journal of Behavioral Development 1981 4: 477-480. [PDF] [References]  

International Society for the Study of Behavioral Development
International Journal of Behavioral Development 1981 4: 481. [PDF]  

Acknowledgement
International Journal of Behavioral Development 1981 4: 483. [PDF]  

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