Reliability and Validity. Classroom Assessment. The values for reliability coefficients range from 0 to 1.0.
A coefficient of 0 means no reliability and 1.0 means perfect reliability. Since all tests have some error, reliability coefficients never reach 1.0. Reliability and Validity. Rubrics for Assessment. A collection of rubrics for assessing portfolios, group work/cooperative learning, concept map, research process/ report, PowerPoint, oral presentation, web page, blog, wiki, and other social media projects.
Quick Links to Rubrics Social Media Project Rubrics. SAS - Pennsylvania Department of Education Standards Aligned System.