ConQuest Community
Help desk => Questions and Answers => Topic started by: sanei on May 13, 2012, 07:22:13 AM

Hi
I have two questions, I wonder if I can ask you to help me.
1. In EAP estimates for theta, if I have one dimension, software gives me four columns. The First column is individual number and the second column is EAP estimate, I don’t know third or fourth column is standard error of measurement.
2. I don’t know in what manner I can interpret thetas, for example if person A has theta=0 and person B has theta=1, who can I compare them?
Best regards
E.sanei


The third column is the posterior standard deviation. You could use it as a standard error for teh EAP estimate. The fourth column is the reliability of the case estimate.
The theta metric is a logodds metric. A person's estimated theta is the logodds of their success on an item with zero difficulty
Ray