Psych Paper - Data

• The file Beginning Algebra Item Matrix gives the matrix values for each of the 250 beginning algebra problems ("items").
  
  
• Each JPEG file below is an example of an instance for a problem. 
  • item018.jpg
  • item025.jpg
  • item034.jpg
  • item092.jpg
  • item124.jpg
  
  
• This manuscript includes an extensive discussion of these data.

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6/22/2006