The following pdf files are instructions for Chen and Takeuchi (2004). We omit instructions for the low information treatments, as they are identical to that of the corresponding high information treatments, except that the section, "The automated bidders", is deleted. 

1. Vickrey SS high information

2. Vickrey SR high information

3. Vickrey RR high information

4. iBEA SS high information

5. iBEA SR high information

6. iBEA RR high information