This 2010 electronic book is the first in a four-part series about longitudinal data systems (LDS). It provides an overview of what a longitudinal data system (LDS) is and its benefits, the process for instituting and using an LDS, and identifying the features and capabilities of an LDS. Published by: National Forum on Education Statistics […]
Traveling Through Time: The Forum Guide to Longitudinal Data Systems (Book I: What is an LDS?)

