Norwegian University of Science and Technology (NTNU), Dept. of Computer and Information Science (IDI), Technical Report IDI-TR-02-07, ISSN: 1503-416X The Effect of Task Order on the Maintainability of Object-Oriented Software Alf Inge Wang 1 and Erik Arisholm 2 March 27, 2007 1 A.I.Wang is at Dept. of Computer and Information Science, Norwegian University of Science and Tech- nology, N-7491 Trondheim, Norway, email: alfw@idi.ntnu.no. 2 E. Arisholm is at Simula Research Laboratory, P.O.Box 134, 1325 Lysaker, Norway, and Dept. of Informatics, Univ. of Oslo, PO Box 1080 Blindern, N-0316 Oslo, Norway, email: erika@simula.no.