Publication Information
This technical note gives details of the reliability and validity of the assessments used in the second school survey carried out by Young Lives in Ethiopia for the purpose of the construction of test scores on a common scale within each language for maths and reading comprehension. This document give details of the three-parameter model used to build the achievement scores in both content areas. We tested graphically for item fit and item bias (by gender and wave).
This technical note gives details of the reliability and validity of the assessments used in the second school survey carried out by Young Lives in Ethiopia for the purpose of the construction of test scores on a common scale within each language for maths and reading comprehension. This document give details of the three-parameter model used to build the achievement scores in both content areas. We tested graphically for item fit and item bias (by gender and wave).