PMID- 32440793 OWN - NLM STAT- MEDLINE DCOM- 20200811 LR - 20200811 IS - 1435-9456 (Electronic) IS - 1435-9448 (Linking) VI - 23 IP - 5 DP - 2020 Sep TI - Claw-in-the-door: pigeons, like humans, display the foot-in-the-door effect. PG - 893-900 LID - 10.1007/s10071-020-01395-y [doi] AB - People are more likely to comply with a large request when it is preceded by another, smaller request, and this is known as the "foot-in-the-door" (FITD). The FITD has been widely studied in social psychology and is thought to arise from mutually conflicting beliefs about past and present behavior (cognitive dissonance) or changes in self-perception. Across two experiments, we found that pigeons' latency to respond to an effortful second stimulus in a pair scales with how much effort they had exerted on the first stimulus. As such, pigeons also display a FITD-like effect. We argue that the FITD may not be caused by conflicting beliefs or changes in self-perception but may instead be the product of behavioral contrast. FAU - Bartonicek, A AU - Bartonicek A AUID- ORCID: 0000-0002-4528-5543 AD - Department of Psychology, University of Otago, Dunedin, New Zealand. adam.bartonicek@postgrad.otago.ac.nz. FAU - Colombo, M AU - Colombo M AD - Department of Psychology, University of Otago, Dunedin, New Zealand. LA - eng PT - Journal Article DEP - 20200521 PL - Germany TA - Anim Cogn JT - Animal cognition JID - 9814573 SB - IM MH - Animals MH - *Columbidae MH - Humans MH - *Self Concept OTO - NOTNLM OT - Comparative decision making OT - Foot-in-the-door OT - Pigeons OT - State-dependent valuation learning OT - Within-trial contrast EDAT- 2020/05/23 06:00 MHDA- 2020/08/12 06:00 CRDT- 2020/05/23 06:00 PHST- 2019/12/09 00:00 [received] PHST- 2020/05/08 00:00 [accepted] PHST- 2020/04/30 00:00 [revised] PHST- 2020/05/23 06:00 [pubmed] PHST- 2020/08/12 06:00 [medline] PHST- 2020/05/23 06:00 [entrez] AID - 10.1007/s10071-020-01395-y [pii] AID - 10.1007/s10071-020-01395-y [doi] PST - ppublish SO - Anim Cogn. 2020 Sep;23(5):893-900. doi: 10.1007/s10071-020-01395-y. Epub 2020 May 21.