"The DPP should have been able to foresee the [legislative elections] result [under the new system]," she said, adding that the new system should not be reviewed until it had been used at least twice.
"Is it reasonable for those who lose the game to seek to change the rules of the competition?" she asked.
Chang made the comments after the DPP caucus on Friday began a signature drive to seek a constitutional interpretation on the grounds that the new system was unfair because of the large variations in the sizes of the populations in the different constituencies.
The caucus is expected to hold a meeting today to promote the signature drive.
George Tsai (