The Self-Rating Scale for Pubertal Development was adapted from an instrument described in Petersen AC, Crockett L, Richards M & Boxer A (1988). A self-report measure of pubertal status: reliability, validity, and initial norms. Journal of Youth and Adolescence, 17, 117-133 and further described in Crockett (1988, unpublished). more

Developed in 1994 by the Bradley Hospital/Brown University Sleep Research Lab, the School Sleep Habits Survey was administered to over 3,000 high school students in Rhode Island. more

The Sleep-Wake Diary was developed in 1992. more