Modeling and Simulation Study of Two-Phase Collaborative Behaviors Oriented to Open Source Design Process

Table 3

Two-way ANOVA of collaboration behaviors.

(a) Descriptive Statistics

Dependent Variable: Sample
Group 1	Group 2	Mean	Std. Deviation	N
1	1	198.040000	8.8293573	50
	2	204.400000	10.1860248	50
	Total	201.220000	10.0076536	100
2	1	203.660000	10.2531429	50
	2	208.400000	9.4003908	50
	Total	206.030000	10.0719182	100
Total	1	200.850000	9.9294227	100
	2	206.400000	9.9564709	100
	Total	203.625000	10.3007233	200

(b) Levene's Test of Equality of Error Variances.

Dependent Variable: Sample
F	df1	df2	Sig.
.527	3	196	.664

Testing the null hypothesis that the error variance of the dependent variable is equal across groups.
a. Design: Intercept+Group1+Group2.

(c) Tests of between-subjects effects.

Dependent Variable: Sample
Source	Type III Sum of Squares	df	Mean Square	F	Sig.
Corrected Model	2696.930(a)	2	1348.465	14.423	.000
Intercept	8292628.125	1	8292628.125	88698.698	.000
Group1	1156.805	1	1156.805	12.373	.001
Group2	1540.125	1	1540.125	16.473	.000
Error	18417.945	197	93.492
Total	8313743.000	200
Corrected Total	21114.875	199

a. R Squared = .128 (Adjusted R Squared = .119).