Andrea M. Friedrich, Ph.D.

Affiliations: 
2007 University of Kentucky, Lexington, KY 
Area:
Comparative Cognition, learning
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"Andrea Friedrich"

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Thomas Robert Zentall grad student 2007 University of Kentucky
 (Differential outcomes effect produced by different feeder locations.)
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Zentall TR, Singer RA, Clement TS, et al. (2012) Contrast A More Parsimonious Account of Cognitive Dissonance Effects The Oxford Handbook of Comparative Cognition
Zentall TR, Clement TS, Friedrich AM, et al. (2012) Stimuli Signaling Rewards That Follow a Less-Preferred Event Are Themselves Preferred: Implications for Cognitive Dissonance Comparative Cognition: Experimental Explorations of Animal Intelligence
Friedrich AM, Zentall TR. (2011) A differential-outcome effect in pigeons using spatial hedonically nondifferential outcomes. Learning & Behavior. 39: 68-78
Friedrich AM, Zentall TR. (2010) A relational differential outcomes effect: pigeons can classify outcomes as "good" and "better". Animal Cognition. 13: 359-65
Miller HC, Friedrich AM, Narkavic RJ, et al. (2009) A differential-outcomes effect using hedonically nondifferential outcomes with delayed matching to sample by pigeons. Learning & Behavior. 37: 161-6
Friedrich A, Zentall T, Weisman R. (2007) Absolute pitch: frequency-range discriminations in pigeons (Columba livia): comparisons with zebra finches (Taeniopygia guttata) and humans (Homo sapiens). Journal of Comparative Psychology (Washington, D.C. : 1983). 121: 95-105
Zentall TR, Friedrich AM, Clement TS. (2006) Required pecking alters judgments of the passage of time by pigeons. Psychonomic Bulletin & Review. 13: 1038-42
Friedrich AM, Clement TS, Zentall TR. (2005) Discriminative stimuli that follow the absence of reinforcement are preferred by pigeons over those that follow reinforcement. Learning & Behavior. 33: 337-42
DiGian KA, Friedrich AM, Zentall TR. (2004) Discriminative stimuli that follow a delay have added value for pigeons. Psychonomic Bulletin & Review. 11: 889-95
Friedrich AM, Zentall TR. (2004) Pigeons shift their preference toward locations of food that take more effort to obtain. Behavioural Processes. 67: 405-15
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