Assessment of major and daily stressful events during adolescence: The Adolescent Perceived Events Scale.

Four studies were conducted to develop a measure of major and daily stressful events during adolescence, the Adolescent Perceived Events Scale (APES). Study I identified an item pool of events that were drawn from the open-ended reports of adolescents. In Study 2, multidimensional scaling analysis was used to identify the salient features of stressful events that were cognitively appraised by adolescents. Study 3 examined the test-retest reliability of the APES, and Study 4 examined the concurrent validity of the measure among older adolescents. Subsequent research is summarized that has shown the APES to be significantly related to behavior problems and psychological symptomatology in a wide age range of adolescents, and directions for future research are outlined. The stressful life events encountered by individuals consti