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Author Christmann, Edwin P., 1966-
Title Interpreting assessment data : statistical techniques you can use / by Edwin P. Christmann and John L. Badgett.
Publication Info Arlington, Va. : NSTA Press, c2009.



Descript viii, 194 p. : ill. ; 28 cm.
Contents How assessment and testing developed -- Scales and number distributions -- Central tendency and variability -- Standard scores -- Correlation -- Validity -- Reliability -- Grading -- Appendix: Areas of the standard normal distribution.
ISBN 9781933531366
1933531363
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Author Christmann, Edwin P., 1966-
Subject Educational tests and measurements -- Statistics.
Students -- Rating of -- Statistical methods.
Academic achievement -- Statistics.
Alt author Badgett, John L.
Descript viii, 194 p. : ill. ; 28 cm.
Contents How assessment and testing developed -- Scales and number distributions -- Central tendency and variability -- Standard scores -- Correlation -- Validity -- Reliability -- Grading -- Appendix: Areas of the standard normal distribution.
ISBN 9781933531366
1933531363
Author Christmann, Edwin P., 1966-
Subject Educational tests and measurements -- Statistics.
Students -- Rating of -- Statistical methods.
Academic achievement -- Statistics.
Alt author Badgett, John L.

Subject Educational tests and measurements -- Statistics.
Students -- Rating of -- Statistical methods.
Academic achievement -- Statistics.
Descript viii, 194 p. : ill. ; 28 cm.
Contents How assessment and testing developed -- Scales and number distributions -- Central tendency and variability -- Standard scores -- Correlation -- Validity -- Reliability -- Grading -- Appendix: Areas of the standard normal distribution.
Alt author Badgett, John L.
ISBN 9781933531366
1933531363

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