@misc{indiciae257e9e1c1b4c,
  title = {Response productivity: a methodological problem in content analysis studies in psychotherapy.},
  author = {G Marsden and N Kalter and W A Ericson},
  year = {1974},
  doi = {10.1037/h0036256},
  url = {https://pubmed.ncbi.nlm.nih.gov/4823558/},
  note = {Source identifier: 4823558}
}