Table 6 Effect sizes (η 2 ) and CI 95%... | Emerald Publishing

Table 6

Effect sizes (η²) and CI 95%

Variable	Partial η²	95% CI	Interpretation
Perceived usefulness	0.028	[0.000–0.082]	Small
Relevance of the initiative	0.032	[0.000–0.088]	Small–moderate (only significant)
Attitude toward the advertising message	0.011	[0.000–0.050]	Very small
Perception of persuasive pressure	0.006	[0.000–0.038]	Very small
Intention to purchase sustainable products	0.002	[0.000–0.021]	Negligible
Willingness to pay a premium price	0.007	[0.000–0.039]	Very small
Corporate charitable contribution	0.012	[0.000–0.052]	Very small
Credibility of the retailer	0.006	[0.000–0.038]	Very small
Trust in the retailer	0.023	[0.000–0.074]	Small

Variable	Partial η²	95% CI	Interpretation
Perceived usefulness	0.028	[0.000–0.082]	Small
Relevance of the initiative	0.032	[0.000–0.088]	Small–moderate (only significant)
Attitude toward the advertising message	0.011	[0.000–0.050]	Very small
Perception of persuasive pressure	0.006	[0.000–0.038]	Very small
Intention to purchase sustainable products	0.002	[0.000–0.021]	Negligible
Willingness to pay a premium price	0.007	[0.000–0.039]	Very small
Corporate charitable contribution	0.012	[0.000–0.052]	Very small
Credibility of the retailer	0.006	[0.000–0.038]	Very small
Trust in the retailer	0.023	[0.000–0.074]	Small

Source(s): Authors’ elaboration