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American Youth Policy Forum: Thinking About Tests and Testing [Pdf]
A comprehensive primer in assessment literacy that seeks to raise awareness of key aspects about tests and testing issues. Explains essential statistical terms associated with testing (mean, modes, medians, distribution, dispersion,...
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4 Tests: Your Online Practice Test Site
Free on-line ACT test allows you to see your answers and explains the ones you got wrong. This site also includes practice tests for the GED, SAT, TOEFL, and many other exams.