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Back自由開講》從數據極化到結構鬆動:拆解TVBS台北市長民調的平手密碼
自由開講》從數據極化到結構鬆動:拆解TVBS台北市長民調的平手密碼
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自由时报7 hours agoOpinion3 min readChinaView translation

自由開講》從數據極化到結構鬆動:拆解TVBS台北市長民調的平手密碼

TVBS最新民調顯示蔣萬安領先沈伯洋8個百分點,但動態趨勢與交叉數據顯示選情已進入極度緊繃的平手狀態。

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TVBS最新民調顯示台北市長蔣萬安領先沈伯洋8個百分點。然而動態趨勢、機構效應校正與交叉數據顯示,選情已急縮並進入極度緊繃的平手狀態。

AI-generated summary

Why It Matters

年底舉行九合一大選,台北市長選戰備受矚目,各家民調陸續公布並顯示不同程度的差距。

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◎ 徐啓祥

年底九合一大選,首都選戰已是一場高張力對決。

TVBS最新台北市長選情民調顯示,蔣萬安獲得49%支持度,領先沈伯洋的41%約8個百分點,表面看似維持優勢。然古人云:「察見淵魚者不祥,智料隱匿者明。」政治觀察關鍵在於窺見底層結構質變。從動態趨勢、機構效應與交叉數據推論,這份民調絕非盤勢超穩,反而揭露選情已進入極度緊繃的平手狀態。

一、五個月內差距急縮的動態顯著性

今年(2026)5月調查中,蔣以58%大勝沈的30%,如今縮至8個百分點,短短數月差距劇縮20個百分點。不僅如此,民調專家戴立安10月中旬公布的最新民調顯示,蔣萬安支持度已落後沈伯洋17%。

政治學者薩勒指出,選民意向變遷反映資訊流重塑。若忽視趨勢僅看單一斷面極易陷入盲點。數月內兩成選民轉向,證實中間與浮動選民移動劇烈。

二、結構性死角揭示統計實為平手

1.機構效應校正後無顯著差異:調查因採樣常存系統偏差。TVBS長年存在約3%至7%偏藍偏差,校正後實質差距縮至3%至5%臨界點。當差距小於抽樣誤差時,信賴區間重疊,統計上實屬平手PK盤。

2.抽樣政黨傾向偏斜:本次樣本呈現藍白六成、綠四成結構。在藍白偏高樣本下沈仍拿下41%,顯示綠營與中間選民凝聚力極強。

3.第三勢力與中間選民流向:古載「兵無常勢,水無常形」。交叉分析顯示上屆黃珊珊支持者有53%轉向沈,僅39%流向蔣;中間選民沈亦獲三成八支持,拉平衛冕者優勢。

4.核心選民與優勢區收縮:蔣在藍營本命區領先大幅收縮,士林北投被沈反超;40至59歲主力世代優勢被拉平,不滿意度四成一實質轉化為選票侵蝕。

三、藍營內部反應與戰術重整

政壇指標人物趙少康公開警示蔣陣營太過輕敵自大;蔣陣營急召操盤手進駐,突拋松機遷移政見更印證危機感。當期待「換黨做做看」達42%高於「藍營繼續做」時,政黨加持已顯匱乏。

蔣萬安日前突拋松機遷移政見,更印證他的危機感正在上升中。

古人云:「臨事而懼,好謀而成」。衛冕者當務之急在於修補政策缺失;挑戰者則需強化團隊可信度。首都選戰已是一場高張力對決。

What to Watch

AI outlook — possibilities, not facts

  • 選情維持高度緊繃並持續拉鋸

    Likely · Within weeks

Open Questions

  • 中間選民最終會投給哪位候選人?
  • 松機遷移政見能否實質化解蔣陣營危機?

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This article was originally published by 自由时报.

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