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An Invisible Leverage in the Adoption of Online Social Support Community
Unformatted Document Text:  Running Head: Invisible Leverage in Adoption of Online Social Support Community 29 Table 1. Curvilinear Regression Analysis of Total Number of Registered Members on Adoptions Blocks of Independent Variables Std. Beta R-square Change Total R-square Adjusted R-square Toleranceª Centered TRM .235** .055** .055 .050 1.000 Centered TRM Centered TRM2 .385* -.180 .010 .065 .055 .310 .310 Postings per Adopter Centered TRM¹ Centered TRM2² Centered TRM3¹ .490** -.601 .346 .005 .071 .056 .187 .027 .044 Centered TRM .112 .012 .012 .007 Centered TRM Centered TRM2 .204 -.111 .004 .016 .006 Duration of Adopter Centered TRM Centered TRM2 Centered TRM3 .360 * -.735 .513 .012 .028 .012 Centered TRM .293** .086** .086 .081 Centered TRM Centered TRM2 .471** -.214 .014 .100 .090 Postings per Adopter Excluding Major Contributor Centered TRM Centered TRM2 Centered TRM3 .669** -1.004* .650 .018 .119 .104 Centered TRM .215* .046** .046 .041 Centered TRM Centered TRM2 .376** -.194 .012 .058 .048 Duration of Adopter Excluding Major Contributor Centered TRM Centered TRM2 Centered TRM3 .571** -.975* .642 .018 .076 .061 Centered TRM .140 .020 .020 .014 Centered TRM Centered TRM2 .125 .019 .000 .020 .009 Proportion of Adopters Among Posters Centered TRM Centered TRM2 Centered TRM3 -.022 .602 -.479 .010 .030 .014 Centered TRM .645** .416** .416 .413 Centered TRM Centered TRM2 .726** -.098 .003 .419 .413 Network Activeness Centered TRM Centered TRM2 Centered TRM3 .991** -1.154** .868** .033** .452 .443 ¹ Total numbers of Registered Members (After Centering) ² Total numbers of Registered Members Squared (After Centering) ³ Total numbers of Registered Members Cubed (After Centering) *p<.05, **p<.01 ªSince the level of tolerance for cubic relationship is close to ‘0,’ significant cubic relationship will not be considered here.

Authors: Yun, Haejin., Park, Songyi. and Kim, Hee-Jung.
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Running Head: Invisible Leverage in Adoption of Online Social Support Community
29
Table 1. Curvilinear Regression Analysis of Total Number of Registered Members on Adoptions
Blocks of Independent Variables
Std. Beta
R-square
Change
Total
R-square
Adjusted
R-square
Toleranceª
Centered TRM
.235**
.055**
.055
.050
1.000
Centered TRM
Centered TRM2
.385*
-.180
.010
.065
.055
.310
.310
Postings per
Adopter
Centered TRM¹
Centered TRM2²
Centered TRM3¹
.490**
-.601
.346
.005
.071
.056
.187
.027
.044
Centered TRM
.112
.012
.012
.007
Centered TRM
Centered TRM2
.204
-.111
.004
.016
.006
Duration of
Adopter
Centered TRM
Centered TRM2
Centered TRM3
.360 *
-.735
.513
.012
.028
.012
Centered TRM
.293**
.086**
.086
.081
Centered TRM
Centered TRM2
.471**
-.214
.014
.100
.090
Postings per
Adopter
Excluding
Major
Contributor
Centered TRM
Centered TRM2
Centered TRM3
.669**
-1.004*
.650
.018
.119
.104
Centered TRM
.215*
.046**
.046
.041
Centered TRM
Centered TRM2
.376**
-.194
.012
.058
.048
Duration of
Adopter
Excluding
Major
Contributor
Centered TRM
Centered TRM2
Centered TRM3
.571**
-.975*
.642
.018
.076
.061
Centered TRM
.140
.020
.020
.014
Centered TRM
Centered TRM2
.125
.019
.000
.020
.009
Proportion of
Adopters
Among
Posters
Centered TRM
Centered TRM2
Centered TRM3
-.022
.602
-.479
.010
.030
.014
Centered TRM
.645**
.416**
.416
.413
Centered TRM
Centered TRM2
.726**
-.098
.003
.419
.413
Network
Activeness
Centered TRM
Centered TRM2
Centered TRM3
.991**
-1.154**
.868**
.033**
.452
.443
¹ Total numbers of Registered Members (After Centering)
² Total numbers of Registered Members Squared (After Centering)
³ Total numbers of Registered Members Cubed (After Centering)
*p<.05, **p<.01
ªSince the level of tolerance for cubic relationship is close to ‘0,’ significant cubic relationship will not be considered here.


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