Recent research has developed and evaluated assessments of sociability in which time allocation near or away from an adult who initiates social interactions is used to characterize the participant as social, indifferent, or avoidant of social interaction. Though these qualitative outcomes have been useful, no studies have evaluated methods of…

Recent research has developed methods of assessing the function of generic, nonindividualized social interactions. The purpose of this type of assessment is to provide a measure of how an individual may respond to the types of interactions readily available in the natural environment. To date, no research has evaluated how the social time…