Challenges in Measuring Longitudinally

John E. Bates outlines some measurement challenges related to children's development.

Quick Tip - 3 minutes 41 seconds

Using Multiple Informants

Using multiple measures is important in depression research, maintains Judy Garber.

Quick Tip - 1 minute 17 seconds

How Family Dynamics Effect Research

Differing views of the child can make research decisions difficult, says David A. Axelson.

Quick Tip - 2 minutes 9 seconds

Multiple Measures; Multiple Sources

J. Steven Reznick discusses the need for multiple sources of data from infants.

Quick Tip - 2 minutes 54 seconds

Modifying an Instrument

Peter Mangione describes two circumstances in which a researcher may consider modifying an existing instrument.

Quick Tip - 1 minute 59 seconds