Here are a few of things we do. But don't panic. If you don't see it here, that doesn't necessary mean we don't do it. Give us a call or drop us a line and we'll let you know whether we can help. Meanwhile, you can check out our rates at the bottom.

• Item response theory
• Computer-based testing
  
• Classical equating
• Item and DIF analysis
  

• Experimental design
• Design of analyses
• Analysis of data
• Interpretation of results