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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 31 Table 3. Curvilinear Regression Analysis of Total Number of Adopters on Adoptions Blocks of Independent Variables Std. Beta R-square Change Total R-square Adjusted R-square Toleranceª Centered TA .333** .111** .111 .106 1.000 Centered TA Centered TA2 .571** -.268 .015 .125 .116 .204 .204 Postings per Adopter Centered TA¹ Centered TA2¸Centered TA3¹ .889** -1.782** 1.254** .036** .162 .148 .130 .015 .023 Centered TA .075 .006 .006 .000 Centered TA Centered TA2 .151 -.085 .001 .007 -.003 Duration of Adopter Centered TA Centered TA2 Centered TA3 .115 .086 -.142 .000 .008 -.008 Centered TA .488** .238** .238 .234 Centered TA Centered TA2 .867** -.425** .037** .275 .267 Postings per Adopter Excluding Major Contributor Centered TA Centered TA2 Centered TA3 1.326** -2.613** 1.812** .076** .351 .340 Centered TA .194** .038* .038 .033 Centered TA Centered TA2 .389* -.219 .010 .047 .037 Duration of Adopter Excluding Major Contributor Centered TA Centered TA2 Centered TA3 .410* -.317 .082 .000 .048 .032 Centered TA .286** .082** .082 .077 Centered TA Centered TA2 .626** -.381* .030* .111 .102 Proportion of Adopters Among Posters Centered TA Centered TA2 Centered TA3 .903** -1.705** 1.096* .028* .139 .125 Centered TA .814** .662** .662 .660 Centered TA Centered TA2 .889** -.085 .001 .664 .660 Network Activeness Centered TA Centered TA2 Centered TA3 .778** .447 -.440 .004 .668 .663 ¹ Total number of Adopters (After Centering) ² Total numbers of Adopters Squared (After Centering) ³ Total numbers of Adopters 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
31
Table 3. Curvilinear Regression Analysis of Total Number of Adopters on Adoptions
Blocks of Independent Variables
Std. Beta
R-square
Change
Total
R-square
Adjusted
R-square
Toleranceª
Centered TA
.333**
.111**
.111
.106
1.000
Centered TA
Centered TA2
.571**
-.268
.015
.125
.116
.204
.204
Postings per
Adopter
Centered TA¹
Centered TA2¸
Centered TA3¹
.889**
-1.782**
1.254**
.036**
.162
.148
.130
.015
.023
Centered
TA
.075 .006 .006 .000
Centered TA
Centered TA2
.151
-.085
.001
.007
-.003
Duration of
Adopter
Centered TA
Centered TA2
Centered TA3
.115
.086
-.142
.000
.008
-.008
Centered TA
.488**
.238**
.238
.234
Centered TA
Centered TA2
.867**
-.425**
.037**
.275
.267
Postings per
Adopter
Excluding
Major
Contributor
Centered TA
Centered TA2
Centered TA3
1.326**
-2.613**
1.812**
.076**
.351
.340
Centered TA
.194**
.038*
.038
.033
Centered TA
Centered TA2
.389*
-.219
.010
.047
.037
Duration of
Adopter
Excluding
Major
Contributor
Centered TA
Centered TA2
Centered TA3
.410*
-.317
.082
.000
.048
.032
Centered TA
.286**
.082**
.082
.077
Centered TA
Centered TA2
.626**
-.381*
.030*
.111
.102
Proportion
of Adopters
Among
Posters
Centered TA
Centered TA2
Centered TA3
.903**
-1.705**
1.096*
.028*
.139
.125
Centered TA
.814**
.662**
.662
.660
Centered TA
Centered TA2
.889**
-.085
.001
.664
.660
Network
Activeness
Centered TA
Centered TA2
Centered TA3
.778**
.447
-.440
.004
.668
.663
¹ Total number of Adopters (After Centering)
² Total numbers of Adopters Squared (After Centering)
³ Total numbers of Adopters 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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