Boysen, S T; Berntson, G G; Mukobi, K L (2001) Size matters: impact of item size and quantity on array choice by chimpanzees (Pan troglodytes). J Comp Psychol 115:106-10
|
Brown, D A; Boysen, S T (2000) Spontaneous discrimination of natural stimuli by chimpanzees (Pan troglodytes). J Comp Psychol 114:392-400
|
Thompson, R K; Oden, D L; Boysen, S T (1997) Language-naive chimpanzees (Pan troglodytes) judge relations between relations in a conceptual matching-to-sample task. J Exp Psychol Anim Behav Process 23:31-43
|
Boysen, S T; Bernston, G G; Hannan, M B et al. (1996) Quantity-based interference and symbolic representations in chimpanzees (Pan troglodytes). J Exp Psychol Anim Behav Process 22:76-86
|
Boysen, S T; Berntson, G G (1995) Responses to quantity: perceptual versus cognitive mechanisms in chimpanzees (Pan troglodytes). J Exp Psychol Anim Behav Process 21:82-6
|
Boysen, S T; Berntson, G G; Shreyer, T A et al. (1995) Indicating acts during counting by a chimpanzee (Pan troglodytes). J Comp Psychol 109:47-51
|