This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Lawofeffect. en Initially the cat responses were largely instinctual but over time the pressing lever response was strengthened while the others were weakened queensu ca html Randy Flanagan Check categories December en Lawofeffect Scientific modeling Learning History of psychology
Page 2023 Free-images.com. All images are Public Domain