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Longitudinal research / Scott Menard. Menard, Scott W., author.
Thousand Oaks, California : Sage Publications, [2002]
viii, 93 pages : illustrations ; 22 cm.
"Written in non-technical language, this popular and practical volume has been completely updated to bring readers the latest advice on major issues involved in longitudinal research. It covers: research design strategies; methods of data collection; and how longitudinal and cross-sectional research compares in terms of consistency and accuracy of results."--Pub. desc.