- Statistical Glossary
A statistical glossary with terms linked to definitions and descriptions of the situations in which the terms can be used.
- Levels of Measurement
This is part of Trochim's excellent discussion of the levels of measurement.
- Descriptive Statistics
This Trochim web page discusses the concepts of central tendency, variability, and relationship. There is a good discussion of the characteristics of the normal curve.
- Sampling and Surveying Handbook
This is a pdf on statistical tools used in educational research for sampling and surveying.
- Descriptive Statistics Introduction
This website covers in detail all the terms associated with descriptive statistics. It provides a humorous look at mode, mean, median, etc, by using interesting graphics, questions and challenges.
- Reliabilty, Validity, and Fairness of Classroom Assessments
This is a summary of reliability, validity, and fairness issues produced by the North Central Regional Educational Lab.
- Measurement Validity and Reliability
This is the menu of a 45-page slide show on Measurement Validity and Reliability. You can click
on any topic on this page and it brings you to the slide.
- Validity and Reliability
This is an outline for McMillan and Schumacher's Introduction to Educational Research text. It contains relevant information on validity and reliability of educational measures.
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