International Assessments: PIRLS, PISA, and TIMSS
International Activities Program Sample Designs, Weights, Variance, IRT Scaling, and Plausible Values
Table of Contents
- International Activities Program Sample Designs, Weights, Variance, IRT Scaling, and Plausible Values
- Module Objectives
- IAP Studies Sample Designs
- IAP Studies Sample Designs (Continued)
- Exclusions in IAP Study Samples
- Participation Rate Standards in IAP Studies
- U.S. IAP Study Sample Sizes
- General Overview of Sampling Weights
- Sampling Weights – School Weight
- Sampling Weights – Classroom Weight (PIRLS and TIMSS)
- Sampling Weights – Student Weight
- Sampling Weights – Student Weight (Continued)
- Sampling Weights – Teacher Weight
- Sampling Weights Calculated in IAP Studies
- How to Decide Which Weight to Use
- Using Weights to Appropriately Calculate Estimates
- Using Weights to Appropriately Calculate Estimates (Continued)
- Using Weights to Appropriately Calculate Estimates (Continued)
- Unweighted Versus Weighted Results: Example from PIRLS 2011, United States
- Standard Errors and Variance Estimation
- Standard Errors and Variance Estimation (Continued)
- Standard Errors and Variance Estimation (Continued)
- Standard Error Calculations in PIRLS, TIMSS, and PISA: Replication Techniques
- Scaling of IAP Study Assessments: The Use of Item Response Theory (IRT)
- Scaling of IAP Study Assessments: The Use of IRT (Continued)
- Plausible Values Methodology
- Plausible Value Scores
- Some Important Points to Bear in Mind About Plausible Values
- Calculating Correct SEs for Hypothesis Testing Using AM Statistical Software
- Plausible Values Example
- Module Summary and Resources