2013 Reports

Early Childhood Longitudinal Study - United States (ECLS-K) Instrument Matrix

Child Care & Early Education Research Connections

The Early Childhood Longitudinal Study [United States] (ECLS-K) uses many instruments to collect data. This document provides a complete list of the ECLS-K instruments indexed in the Research Connections' database. Every instrument is hyperlinked to its corresponding record and X's designate which cohorts they were used in. Other alpha characters represent the instruments' availability: OS = obtainable through the original source; RC = obtainable through Research Connections. While all instruments are listed, those instruments that are copyrighted are not available. To access a particular instrument, click on the appropriate link.