@misc{indiciaeb4dd38860f86,
  title = {Outerdirectedness as a problem-solving approach in relation to developmental level and selected task variables.},
  author = {D N Ruble and C Y Nakamura},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4730536/},
  note = {Source identifier: 4730536}
}