@misc{indiciaed504919ef7fa,
  title = {Predicting participation and behavior in group therapy from test protocols.},
  author = {J DERR and A W SILVER},
  year = {1962},
  doi = {10.1002/1097-4679(196207)18:3<322::aid-jclp2270180325>3.0.co;2-w},
  url = {https://pubmed.ncbi.nlm.nih.gov/13885613/},
  note = {Source identifier: 13885613}
}