Creating and Interpreting the Achievement Scales
- Reviewing the Â鶹ÉçÊÓƵ and PIRLS 2011 Achievement Item Statistics
- Scaling the Â鶹ÉçÊÓƵ and PIRLS 2011 Achievement Data
- Estimating Standard Errors for the Â鶹ÉçÊÓƵ and PIRLS 2011 Achievement Data
- Using Scale Anchoring to Interpret the Â鶹ÉçÊÓƵ and PIRLS 2011 Achievement Scales
