@misc{indiciaeb862b008b73c,
  title = {How much observational data is enough? An empirical test using marital interaction coding.},
  author = {R E Heyman and B R Chaudhry and D Treboux and J Crowell and C Lord and D Vivian and E B Waters},
  year = {2001},
  doi = {10.1016/s0005-7894(01)80047-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/16733528/},
  note = {Source identifier: 16733528}
}