@misc{indiciae3b8a61f0047b, title = {Two-alternative versus three-alternative procedures for threshold estimation.}, author = {B R Shelton and I Scarrow}, year = {1984}, doi = {10.3758/bf03206343}, url = {https://pubmed.ncbi.nlm.nih.gov/6739274/}, note = {Source identifier: 6739274} }