The reference is, I believe:
Galotti, K M, Clinchy B M, Ainsworth K, Lavin, B & Mansfield A F (1999) A new way of assessing ways of knowing: the attitudes towards thinking and learning survey (ATTLS), Sex roles 40(9/10) p745-766
Many thanks for the information!
My colleague is writing an article about the relationship between attitudes (based on ATTLS), workshops (Peer Assessment), and final (multiple choice) examination scores in a statistics course of about 140 students. He used a Moodle course and extracted all the data from the database for the purpose of statistical analysis. If there is any interest I will ask him to post it in this forum.