製造決策是專案績效成功與否的主要原因之一。然而製造業者是否有依據專案績效成果的好與壞，再對製造決策之決策加以修正或增加，用以提升企業之製造能力，以其達到良好的製造能力及降低製造過程中所產生不必要的消耗或浪費，經由不斷的修正與改善讓企業能夠永續成長及擁有同業間無法取代之核心競爭能力。
本研究主要探討在電子製造業中，企業之製造決策與製造能力以及專案績效之間的關連性，然而本研究也加入不同的產品成熟度及不同的供應商製程穩定度及不同的專案類別對製造能力及專案績效之影響做為本研究的差異變項研究，目的在於想更了解，製造能力是否會因為產品成熟度及供應商製程穩定度的不同而有影響，以及專案績效是否會因為專案類別的不同而對專案績效產生影響。研究建議的部份本研究建議，有效的改善製程能力特別是對於品質管理、人力支援管理及產能管理，確實能有效的提升製程能力，並且本研究也發現，有效的提升製程能力，更可以使專案績效在品質、交期及成本三方面有很好的表現。
本研究之問卷發放對象以目前在製造業之工程人員、品管人員、專案經理為發放對象，問卷共回收105份，有效問卷為103份問卷，從回收問卷之研究結果發現:
一、製造決策對製造能力有正向影響。
二、製造能力對製造專案績效有正向影響。
三、不同的產品成熟度的製程，其製造能力具有顯著的差異.
四、不同的供應商製程穩定度，其製造能力具有顯著差異。
五、不同的製造專案特性，其製造專案績效具有顯著差異。

Manufacturing decision is one of the major causes of manufacturing project failure. However, many manufacturers do not adequately develop manufacturing decision leading to a poor basis in subsequent phases of a manufacturing project. The primary purpose of this study was to assessing the relationships among manufacturing decision, manufacturing capability, and manufacturing project performance. The analyses suggest that implementation of manufacturing strategy in terms of production planning, quality management, human resource management, and capacity management may improve manufacturing capability. The research findings also imply that manufacturing capability may help enhance manufacturing project performance, while it helps improve delivery performance, quality performance, and cost performance. The key findings are recapped as follows:
  The manufacturing decision has a positive influence of manufacturing capability.
  Manufacturing capability has a positive influence of project performance.
  Difference in manufacturing capability existed among projects with different
levels of product maturity.
  Difference in manufacturing capability existed among projects with different
levels of supplier manufacturing process.
  Difference in project performance existed among projects with different
characteristics.

目錄	I
圖目錄	III
表目錄	IV
第一章　緒論	1
第一節　研究背景與動機	1
第二節　研究目的	2
第三節　研究流程	3
第二章　文獻探討	5
第一節　製造決策	5
第二節　製造能力	9
第三節　專案績效	15
第四節　各項變數之關連性與假設推論	17
第三章　研究方法	21
第一節　研究架構	21
第二節　研究假設	23
第三節　研究範圍與對象	23
第四節　研究變數定義及衡量構面	24
第五節　資料分析與方法	30
第四章　資料分析與討論	32
第一節　敘述統計分析	32
第二節　效度分析與信度分析	43
第三節　相關分析	50
第四節　迴歸分析	54
第五節　t檢定	56
第五章　結論與建議	61
第一節　研究結論	61
第二節　研究建議	64
參考文獻	68
一、英文文獻	68
二、中文文獻	71
附錄A	73

圖目錄
圖1-1 本研究之研究流程..................................................................................4
圖2-1 典型的製造策略模型.............................................................................7
圖3-1 本研究之研究架構................................................................................22
圖4-1 因素分析後之研究架構......................................................................49

表目錄
表3-1 製造決策之問項........................................................................25
表3-2 製造能力之問項........................................................................27
表3-3 製造專案績效之問項................................................................29
表4-1 男女比例分配............................................................................32
表4-2 年齡分佈....................................................................................33
表4-3 教育程度分佈............................................................................34
表4-4 從事專案之年資........................................................................34
表4-5 工作職稱分佈............................................................................35
表4-6 專案團隊中之角色....................................................................36
表4-7 專案產品成熟度........................................................................37
表4-8 產業類別....................................................................................38
表4-9 專案供應商製程穩定度............................................................39
表4-10 專案複雜度..............................................................................39
表4-11 專案環境不確定性..................................................................40
表4-12 專案完成時間..........................................................................40
表4-13 專案團隊合作關係..................................................................41
表4-14 專案持續時間..........................................................................42
表4-15 專案參與人數..........................................................................43
表4-16 球形檢定與KMO檢定結果表...............................................44
表4-17 製造決策構面之因素分析......................................................45
表4-18 製造能力構面之因素分析......................................................46
表4-19 專案績效構面之因素分析......................................................47
表4-20 信度分析結果..........................................................................48
表4-21 製造決策與製造能力主構面相關分析..................................50
表4-22 製造能力與專案績效主構面相關分析..................................51
表4-23 製造決策與製造能力子構面相關分析..................................52
表4-24 製造能力與專案績效子構面相關分析..................................53
表4-25 製造決策對製造能力之迴歸分析..........................................54
表4-26 製造能力對專案績效之迴歸分析..........................................55
表4-27 調整後之專案產品成熟度......................................................56
表4-28 產品成熟度對製造能力 t 檢定.............................................57
表4-29 調整後之專案供應商製程穩定度..........................................58
表4-30 供應商製程穩定度對製造能力之 t 檢定.............................58
表4-31 調整後之專案複雜度..............................................................59
表4-32 專案複雜度對專案績效之 t 檢定.........................................60

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