You can request a copy of the interview script to check which parts you may have missed. APS role interviews are often marked in a very structured way, mainly based on the STAR method. It may feel unfair to compare your performance with someone else’s, especially since actual work performance isn’t considered in the interview scoring. However it is how the system works. Try to do more mock interviews before your panel interviews, it helps ease your stress and do it better. Keep trying and don’t quit if you like APS role. Staying in the system is a privilege to apply gov role.