@misc{indiciae530a4fa5e7e2,
  title = {Motivation when optimism declines: data on temporal dynamics.},
  author = {Frank W Wicker and Jeannine E Turner and Joylynn H Reed and Erin J McCann and Seung Lee Do},
  year = {2004},
  doi = {10.3200/jrlp.138.5.421-432},
  url = {https://pubmed.ncbi.nlm.nih.gov/15529736/},
  note = {Source identifier: 15529736}
}