@misc{indiciaeee07fce18ab0, title = {Variability in planning and assessment: statistical considerations and models.}, author = {William M Rand}, year = {2004}, doi = {10.1093/jn/134.6.1610s}, url = {https://pubmed.ncbi.nlm.nih.gov/15173439/}, note = {Source identifier: 15173439} }