1.Latent Constructs of Proximal and Distal Motivation Predicting Performance Under Maximum Test Conditions，Andrea K. Kirk，  David F. Brown
Journal of Applied Psychology
Volume 88, Issue 1, February 2003, Pages 40-49
2. The Effects of Proximal and Distal Goals on Performance on a Moderately Complex Task，GP Latham等，Journal of Organizational Behavior, 1999