Andrew Ahlgren

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Books by Andrew Ahlgren (50 max)

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Science for All Americans

1991

F. James Rutherford, Andrew Ahlgren

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Confidence on achievement tests and the prediction of retention

1967

Andrew Ahlgren

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HPP tests

1971

F. James Rutherford, Gerald James Holton, Fletcher G. Watson, Andrew Ahlgren, Harvard Project Physics

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Minnesota School Attitude Survey

1983

Andrew Ahlgren

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Cycles of nature: an introduction to biological rhythms

1990

Andrew Ahlgren