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回复 8楼 learningsean 的帖子: T7 }- l( A) U) f% k1 Z
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1 C) _. @& X4 m6 r& S- i% T 1. Jarvis, MacKenzie, and Podsakoff (2003), "A critical review of construct indicators and measurement model misspecification in marketing and consumer research," Journal of Consumer Research, 30(September), 199-218.
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4 ]3 X( m& O5 w7 {2 k0 i- K 2. Podsakoff, MacKenzie, Podsakoff, and Lee (2003), "The Mismeasure of Man(agement) and its implications for leadership research," The Leadership Quarterly, 14, 615-656.
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) _0 g( h: B# p. d4 [3 y此外,針對昨天提到的:' V8 H) X/ K; N' f; ^; [/ y
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the formative construct has to emit paths to (a) at least two reflective constructs% u& k# i! y2 ~' D4 b
4 b$ j, J, S d, q8 A) z7 s6 Y8 u- P有一點需要注意:5 k) G) O+ J8 [6 s
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Adding consequence reflective constructs (e.g., Y and Z) to the focal formative construct (e.g., X) to attain model identification makes the estimate of parameters associated with the focal construct (X) a function of the selection of the external constructs (Y and Z) (Diamantopoulos, 2006), and hence causes potential interpretational confounding (Howell et al., 2007).* @3 [. [. \, s
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以上問題在於,X's indicators與X之間關係的估計會因選擇Y and Z or 其他不同的構念而不同,但在整個nomological network來看,應該是X影響Y and Z,讓Y and Z來影響X的參數不太合理。
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因此,設計問卷時加上兩題的overall measurement當成reflective indicator好像會合理一點,如此這個構念會更有彈性放在模型內的任何地方。
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, S4 I% ~( ~6 v3 W9 A0 u& I3. Diamantopoulos (2006), "The error term in formative measurement models: Interpretation and modeling implications," Journal of Modelling in Management, 1(1), 7-17.
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4. Howell et al. (2007), "Reconsidering formative measurement," Psychological Methods, 12(2), 205-218.
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本帖最后由 chienhsin 于 2010-11-9 19:06 编辑 ! P, d" g9 \8 {5 Z4 K
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本帖最后由 chienhsin 于 2010-11-9 19:10 编辑
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