This book's purpose is to enable educational researchers to make
better use of the huge longitudinal and cross-sectional data files
that are now readily available. Of value to experienced researchers
and undergraduates alike, the book focuses primarily on the
planning and design of research rather than implementation of data
base information. Its chapters address a variety of vital questions
including: * What variables are present in each of the major
national data bases? * What are the problems and dangers in making
comparisons across data bases? * What factors invalidate
comparisons of test scores across data bases? * In what ways can
data from certain data bases be physically merged with data from
other data bases? This text clearly demonstrates what can be done
with large national data bases and, perhaps equally important, what
cannot be done -- or done only if certain precautions are taken.
General
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