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4. Summation and numerousness judgments of sequentially presented sets of items by chimpanzees (Pan troglodytes). Beran MJ J Comp Psychol; 2001 Jun; 115(2):181-91. PubMed ID: 11459165 [TBL] [Abstract][Full Text] [Related]
5. Defining value through quantity and quality-Chimpanzees (Pan troglodytes) undervalue food quantities when items are broken. Parrish AE; Evans TA; Beran MJ Behav Processes; 2015 Feb; 111():118-26. PubMed ID: 25447509 [TBL] [Abstract][Full Text] [Related]
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7. Numerical judgments by chimpanzees (Pan troglodytes) in a token economy. Beran MJ; Evans TA; Hoyle D J Exp Psychol Anim Behav Process; 2011 Apr; 37(2):165-74. PubMed ID: 21319916 [TBL] [Abstract][Full Text] [Related]
8. Chimpanzees sometimes see fuller as better: judgments of food quantities based on container size and fullness. Parrish AE; Beran MJ Behav Processes; 2014 Mar; 103():184-91. PubMed ID: 24374384 [TBL] [Abstract][Full Text] [Related]
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13. Prospective memory in children and chimpanzees. Perdue BM; Evans TA; Williamson RA; Gonsiorowski A; Beran MJ Anim Cogn; 2014 Mar; 17(2):287-95. PubMed ID: 23884791 [TBL] [Abstract][Full Text] [Related]
14. When in doubt, chimpanzees rely on estimates of past reward amounts. Beran MJ; Evans TA; Harris EH Proc Biol Sci; 2009 Jan; 276(1655):309-14. PubMed ID: 18796395 [TBL] [Abstract][Full Text] [Related]
15. Delay of gratification in chimpanzees (Pan troglodytes). Beran MJ; Savage-Rumbaugh ES; Pate JL; Rumbaugh DM Dev Psychobiol; 1999 Mar; 34(2):119-27. PubMed ID: 10086230 [TBL] [Abstract][Full Text] [Related]
16. Long-term retention of the differential values of Arabic numerals by chimpanzees (Pan troglodytes). Beran MJ Anim Cogn; 2004 Apr; 7(2):86-92. PubMed ID: 15069607 [TBL] [Abstract][Full Text] [Related]
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18. Chimpanzees show some evidence of selectively acquiring information by using tools, making inferences, and evaluating possible outcomes. Perdue BM; Evans TA; Beran MJ PLoS One; 2018; 13(4):e0193229. PubMed ID: 29641519 [TBL] [Abstract][Full Text] [Related]