Selection and Development of Measures
Age-specific data collection points were selected to correspond to critical periods in children's development, regardless of their exposure to child maltreatment. Because the sample includes children with prior maltreatment histories, children who will first experience maltreatment during the course of the project, and children who may never experience maltreatment, LONGSCAN has the opportunity to examine both antecedents and consequence.
In addition to choosing measures based on ecological-development theory, the LONGSCAN investigators have also sought, whenever possible, to include only measures that are easy to use, culturally sensitive, repeatable, reliable, and valid.
The LONGSCAN Longitudinal Measures Table breaks down the measures LONGSCAN has utilized from baseline through the Age 18 interview.
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