@inbook{10d359366d694978ac4865bddfe8b630,
title = "Research on Engagement in Activity",
keywords = "Design of comparative evaluations, Observational categories, Observational technology and analysis, Quantifying engagement, Research applications",
author = "David Felce and Eric Emerson",
year = "2004",
doi = "10.1002/9780470713198.ch17",
language = "English",
isbn = "0471497096",
pages = "353--368",
editor = "Eric Emerson and Chris Hatton and Travis Thompson and Parmenter, {Trevor R.}",
booktitle = "The International Handbook of Applied Research in Intellectual Disabilities",
publisher = "John Wiley & Sons",
address = "United States",
}