@misc{indiciae775d048b15ce,
  title = {Using the observer to analyze learning in virtual worlds.},
  author = {Elhanan Gazit and David Chen},
  year = {2003},
  doi = {10.3758/bf03195517},
  url = {https://pubmed.ncbi.nlm.nih.gov/14587548/},
  note = {Source identifier: 14587548}
}