Table 5 ANOVA test Variables for each...

Table 5

ANOVA test

Variables for each group		Mean	SD	SE	ANOVA
Perceived usefulness	Make together	2.588	0.945	0.117	Test of homogeneity of variance: Levene F(2, 192) = 0.037 (p. 0.963); ANOVA test: F = 2.774 (p. 0.065) – no significant differences
	In-sourcing	2.975	1.012	0.126
	Crowd-sourcing	2.877	0.969	0.120
Relevance of the initiative	Make together	3.108	1.027	0.127	Test of homogeneity of variance: Levene F(2, 192) = 0.617 (p. 0.540); ANOVA test: F = 3.166 (p. 0.044); Post Hoc HSD Tukey: Make together < Crowd-sourcing (mean difference = −0.4039; p. < 0.05)
	In-sourcing	3.165	0.992	0.123
	Crowd-sourcing	3.512	0.948	0.118
Attitude toward the advertising message	Make together	2.505	0.925	0.115	Test of homogeneity of variance: Levene F(2, 192) = 0.903 (p. 0.407); ANOVA test: F = 1.085 (p. 0.340) – no significant differences
	In-sourcing	2.560	0.962	0.119
	Crowd-sourcing	2.748	1.065	0.132
Perception of persuasive pressure	Make together	2.682	0.978	0.121	Test of homogeneity of variance: Levene F(2, 192) = 0.165 (p. 0.848); ANOVA test: F = 0.605 (p. 0.547) – no significant differences
	In-sourcing	2.523	1.036	0.128
	Crowd-sourcing	2.703	1.042	0.129
Intention to purchase sustainable products	Make together	3.025	0.945	0.117	Test of homogeneity of variance: Levene F(2, 192) = 0.494 (p. 0.611); ANOVA test: F = 0.188 (p. 0.829) – no significant differences
	In-sourcing	2.923	0.995	0.123
	Crowd-sourcing	2.959	0.946	0.117
Willingness to pay a premium price	Make together	2.854	0.814	0.101	Test of homogeneity of variance: Levene F(2, 192) = 2.084 (p. 0.127); ANOVA test: F = 0.666 (p. 0.515) – no significant differences
	In-sourcing	2.785	0.944	0.117
	Crowd-sourcing	2.669	0.997	0.124
Corporate charitable contribution	Make together	3.286	0.971	0.120	Test of homogeneity of variance: Levene F(2, 192) = 1.415 (p. 0.245); ANOVA test: F = 1.169 (p. 0.313) – no significant differences
	In-sourcing	3.375	0.864	0.107
	Crowd-sourcing	3.523	0.837	0.104
Credibility of the retailer	Make together	2.849	0.875	0.109	Test of homogeneity of variance: Levene F(2, 192) = 0.428 (p. 0.652); ANOVA test: F = 0.611 (p. 0.544) – no significant differences
	In-sourcing	3.009	0.962	0.119
	Crowd-sourcing	3.006	0.989	0.123
Trust in the retailer	Make together	2.792	0.958	0.119	Test of homogeneity of variance: Levene F(2, 192) = 0.414 (p. 0.662); ANOVA test: F = 2.286 (p. 0.104) – no significant differences
	In-sourcing	3.100	0.958	0.119
	Crowd-sourcing	3.127	1.055	0.131

Variables for each group		Mean	SD	SE	ANOVA
Perceived usefulness	Make together	2.588	0.945	0.117	Test of homogeneity of variance: Levene F(2, 192) = 0.037 (p. 0.963); ANOVA test: F = 2.774 (p. 0.065) – no significant differences
	In-sourcing	2.975	1.012	0.126
	Crowd-sourcing	2.877	0.969	0.120
Relevance of the initiative	Make together	3.108	1.027	0.127	Test of homogeneity of variance: Levene F(2, 192) = 0.617 (p. 0.540); ANOVA test: F = 3.166 (p. 0.044); Post Hoc HSD Tukey: Make together < Crowd-sourcing (mean difference = −0.4039; p. < 0.05)
	In-sourcing	3.165	0.992	0.123
	Crowd-sourcing	3.512	0.948	0.118
Attitude toward the advertising message	Make together	2.505	0.925	0.115	Test of homogeneity of variance: Levene F(2, 192) = 0.903 (p. 0.407); ANOVA test: F = 1.085 (p. 0.340) – no significant differences
	In-sourcing	2.560	0.962	0.119
	Crowd-sourcing	2.748	1.065	0.132
Perception of persuasive pressure	Make together	2.682	0.978	0.121	Test of homogeneity of variance: Levene F(2, 192) = 0.165 (p. 0.848); ANOVA test: F = 0.605 (p. 0.547) – no significant differences
	In-sourcing	2.523	1.036	0.128
	Crowd-sourcing	2.703	1.042	0.129
Intention to purchase sustainable products	Make together	3.025	0.945	0.117	Test of homogeneity of variance: Levene F(2, 192) = 0.494 (p. 0.611); ANOVA test: F = 0.188 (p. 0.829) – no significant differences
	In-sourcing	2.923	0.995	0.123
	Crowd-sourcing	2.959	0.946	0.117
Willingness to pay a premium price	Make together	2.854	0.814	0.101	Test of homogeneity of variance: Levene F(2, 192) = 2.084 (p. 0.127); ANOVA test: F = 0.666 (p. 0.515) – no significant differences
	In-sourcing	2.785	0.944	0.117
	Crowd-sourcing	2.669	0.997	0.124
Corporate charitable contribution	Make together	3.286	0.971	0.120	Test of homogeneity of variance: Levene F(2, 192) = 1.415 (p. 0.245); ANOVA test: F = 1.169 (p. 0.313) – no significant differences
	In-sourcing	3.375	0.864	0.107
	Crowd-sourcing	3.523	0.837	0.104
Credibility of the retailer	Make together	2.849	0.875	0.109	Test of homogeneity of variance: Levene F(2, 192) = 0.428 (p. 0.652); ANOVA test: F = 0.611 (p. 0.544) – no significant differences
	In-sourcing	3.009	0.962	0.119
	Crowd-sourcing	3.006	0.989	0.123
Trust in the retailer	Make together	2.792	0.958	0.119	Test of homogeneity of variance: Levene F(2, 192) = 0.414 (p. 0.662); ANOVA test: F = 2.286 (p. 0.104) – no significant differences
	In-sourcing	3.100	0.958	0.119
	Crowd-sourcing	3.127	1.055	0.131

Source(s): Authors’ elaboration

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