@misc{indiciaecb58e8923179,
  title = {Using cluster random assignment to measure program impacts. Statistical implications for the evaluation of education programs.},
  author = {H S Bloom and J M Bos and S W Lee},
  year = {1999},
  doi = {10.1177/0193841x9902300405},
  url = {https://pubmed.ncbi.nlm.nih.gov/10558395/},
  note = {Source identifier: 10558395}
}