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| Laike,  T. | 1995 | Observing the Emotional State of Healthy Children |
| Lundy,  Katherine Coleman | 1995 | Sidewalks talk : a naturalistic study of street kids |
| Palmer,  D. H. | 1997 | Student's application of the concept of interdependence to the issue of preservation of the species: Observations on the ability to generalize |
| Pepler,  D. J. | 1998 | Observations of aggressive and nonaggressive children on the school playground |