@misc{indiciae0f1bdbfed714, title = {Expanding an existing multiple choice test with a mixed format test: simulation study on sample size and item recovery in concurrent calibration.}, author = {Insu Paek and Michael J Young}, year = {2006}, url = {https://pubmed.ncbi.nlm.nih.gov/17068379/}, note = {Source identifier: 17068379} }