Table 3 Descriptive statistics (means...

Table 3

Descriptive statistics (means and standard deviations), correlations and discriminant validity for experiments 1 and 2

	Variable	Retro group variable mean[M±SD] (N = 98)	Non-retro group variable mean[M±SD] (N = 98)
Experiment 1	Retro check	6.02 ± 0.56	4.87 ± 1.19
	Groundedness	5.60 ± 0.51	4.89 ± 1.15
	Perceived efforts	5.61 ± 0.68	5.07 ± 1.13
	Intentions to reduce food waste	6.59 ± 0.37	6.13 ± 0.91

	Variable	Retro group variable mean[M±SD] (N = 98)	Non-retro group variable mean[M±SD] (N = 98)
Experiment 1	Retro check	6.02 ± 0.56	4.87 ± 1.19
	Groundedness	5.60 ± 0.51	4.89 ± 1.15
	Perceived efforts	5.61 ± 0.68	5.07 ± 1.13
	Intentions to reduce food waste	6.59 ± 0.37	6.13 ± 0.91

	Variable	L-PSSS group variable mean[M±SD] (N = 130)		H-PSSS group variable mean[M±SD] (N = 130)
	Variable	Retro (N = 65)	Non-retro (N = 65)	Retro (N = 65)	Non-retro (N = 65)
Experiment 2	1. Retro check	6.24 ± 0.61	4.46 ± 1.29	6.31 ± 0.76	4.67 ± 1.23
	2. Groundedness	5.79 ± 0.61	4.20 ± 1.26	4.86 ± 0.78	4.88 ± 1.05
	3. Perceived efforts	5.72 ± 0.65	4.11 ± 1.08	4.67 ± 0.80	4.73 ± 0.99
	4. PSSS check	3.49 ± 1.34	3.52 ± 1.38	6.82 ± 1.72	6.91 ± 1.35
	5. Intentions to reduce food waste	6.74 ± 0.30	5.46 ± 1.10	5.92 ± 0.84	5.66 ± 1.00

	Variable	L-PSSS group variable mean[M±SD] (N = 130)		H-PSSS group variable mean[M±SD] (N = 130)
	Variable	Retro (N = 65)	Non-retro (N = 65)	Retro (N = 65)	Non-retro (N = 65)
Experiment 2	1. Retro check	6.24 ± 0.61	4.46 ± 1.29	6.31 ± 0.76	4.67 ± 1.23
	2. Groundedness	5.79 ± 0.61	4.20 ± 1.26	4.86 ± 0.78	4.88 ± 1.05
	3. Perceived efforts	5.72 ± 0.65	4.11 ± 1.08	4.67 ± 0.80	4.73 ± 0.99
	4. PSSS check	3.49 ± 1.34	3.52 ± 1.38	6.82 ± 1.72	6.91 ± 1.35
	5. Intentions to reduce food waste	6.74 ± 0.30	5.46 ± 1.10	5.92 ± 0.84	5.66 ± 1.00

	Variable	1	2	3	4
Correlation coefficient and discriminant validity (Experiment 1)	1. Retro check	0.912
	2. Groundedness	0.581	0.858
	3. Perceived efforts	0.432	0.602	0.875
	4. Intentions to reduce food waste	0.531	0.491	0.450	0.841

	Variable	1	2	3	4
Correlation coefficient and discriminant validity(Experiment 1)	1. Retro check	0.912
	2. Groundedness	0.581	0.858
	3. Perceived efforts	0.432	0.602	0.875
	4. Intentions to reduce food waste	0.531	0.491	0.450	0.841

	Variable	1	2	3	4	5
Correlation coefficient and discriminant validity (Experiment 2)	1. Retro check	0.939
	2. Groundedness	0.552	0.890
	3. Perceived efforts	0.414	0.675	0.887
	4. Intentions to reduce food waste	0.524	0.749	0.703	0.913
	5. PSSS check	0.078	0.144	0.173	0.241	1

	Variable	1	2	3	4	5
Correlation coefficient and discriminant validity(Experiment 2)	1. Retro check	0.939
	2. Groundedness	0.552	0.890
	3. Perceived efforts	0.414	0.675	0.887
	4. Intentions to reduce food waste	0.524	0.749	0.703	0.913
	5. PSSS check	0.078	0.144	0.173	0.241	1

Note(s): In Correlation coefficient and Discriminant validity, the square root of AVE is the diagonal italic font

Source(s): Authors’ own work

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