https://pubmed.ncbi.nlm.nih.gov/2319959/ https://pubmed.ncbi.nlm.nih.gov/2319959/ “It follows that the participants were not in a state of complete ignorance.

https://pubmed.ncbi.nlm.nih.gov/2319959/ https://pubmed.ncbi.nlm.nih.gov/2319959/ “It follows that the participants were not in a state of complete ignorance. Rather, they relied upon extraneous knowledge of either a general or a specific nature (bias and schema hypotheses, respectively), whose importation into this domain was in fact invalid. The resulting belief that coin portraits face left was not right.”