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