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Open Access. Powered by Scholars. Published by Universities.®

2015

Selected Works

International and Comparative Education

Dr Wolfram Schulz

Sampling variance

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Full-Text Articles in Education

The Reporting Of Icils Results, Wolfram Schulz Jul 2015

The Reporting Of Icils Results, Wolfram Schulz

Dr Wolfram Schulz

This chapter describes the procedures that were used to report the population estimates in the ICILS 2013 publications. It starts with a description of the replication methodology used to estimate sampling variance, followed by an outline of how the imputation variance of students’ computer and information literacy (CIL) was computed. The subsequent section outlines the procedures for conducting significance tests of differences between country and subsample means or percentages.