@misc{indiciae18a7388829dc, title = {Human operant performance: Sensitivity and pseudosensitivity to contingencies.}, author = {E Shimoff and B A Matthews and A C Catania}, year = {1986}, doi = {10.1901/jeab.1986.46-149}, url = {https://pubmed.ncbi.nlm.nih.gov/16812457/}, note = {Source identifier: 16812457} }