This glossary represents an extended version of that published in The Cambridge Encyclopedia of Child Development (1st Edition) in 2005. Information contained in many terms to be found in the encyclopedia has been expanded. In addition, new terms have been added that were mentioned in the encyclopedia’s published glossary, but which were not defined, and cross-references made among terms. The large number of terms reflects the great diversity of topics that are germane to the study of child development from a multidisciplinary perspective. At this stage, it should be considered as a work in progress.

If you have comments or criticisms of terms in this extended glossary, please contact the editor, Brian Hopkins (j.b.hopkins@lancaster.ac.uk). Corrections and additions to any of the terms are welcome, and if accepted they will be incorporated and acknowledged as coming from you.

The electronic version of the glossary, and plans for its future development, is the result of a collaborative project between Brian Hopkins and Simon Slavin.

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Q

r

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