This book focuses on the practical tasks involved in running a large-scale national assessment program. Part I gives an overview, Part II a methodology to select a representative student sample, Part III how to clean and manage data, and Part IV useful pre-analysis steps such estimates, survey weights, and similar.If the data entry operator of a single-key methodology has typed, say, a a2a instead of a a3a when both are valid responses, there is no simple way to detect this error. If neither operator makes a mistake, the files will be identical. However, if oneanbsp;...
|Title||:||Implementing a National Assessment of Educational Achievement|
|Author||:||Vincent Greaney, Thomas Kellaghan|
|Publisher||:||World Bank Publications - 2012-02-10|