"Effectiveness data" refers to information or evidence that shows how well something or someone is actually working or achieving its intended goals. Full definition
The analysis of teacher effectiveness data, including both teacher observation data and student growth data, is essential in this decision - making process. (naesp.org)
Use educator effectiveness data to help make these decisions and provide systems of support for urban school teachers. (naesp.org)
Long - term effectiveness data (more than 5 years) need to be collected for relatively brief prevention programs such as Cool Little Kids, which requires sufficient research funding. (child-encyclopedia.com)