1 RIC09924 Visual Discrimination of Letters in the Alphabet by Young Children: A Rasch Measurement Analysis Janet Richmond and Russell Waugh Faculty of Education and Arts, Edith Cowan University Perth, Western Australia Key words: visual discrimination, reading, alphabet letters, Rasch measurement, primary, students A paper to be presented at AARE 30 November to 3 December 2009 in Canberra Address correspondence to: Professor Russell F. Waugh, School of Education, Edith Cowan University, Bradford Street, Mount Lawley, 6050, Western Australia. Telephone (08) 9370 6941 r.waugh@ecu.edu.au