SSDP-DPII: SSDP devised - Deviant Peer Involvement and Interaction Scale

Reference and/or access link:

Hawkins, J. D., Catalano, R. F., Morrison, D. M., O'Donnell, J., Abbott, R. D., & Day, L. E. (1992). The Seattle Social Development Project: effects of the first four years on protective factors and problem behaviors. In An earlier version of this chapter was presented at the Society for Research in Child Development, Kansas City, Missouri, Apr 1989.. Guilford Press.

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