Experts believe that the main reasons for this loss of confidence in the ruling party include: 1) With the anti-Chen Shui-ban protests receding into memory and Chen himself having been in jail for over a year, thus being "punished enough," dissatisfaction was no longer a sufficient motivator to get large numbers of people to vote KMT as they did previously.
分析此次執政黨選情失利的原因，學者認為大致有以下幾點：一是選民「反扁」的激憤情緒消退，在阿扁羈押已超過一年、懲罰已夠的情況下，基於「賭爛」（不爽）而投給國民黨的票大幅減少，這也顯示民進黨已擺脫包袱走出谷底，氣勢開始上揚。