Results obtained from the Friedman test
| Mean (dev. std) | Differences (Friedman test) | |||||
|---|---|---|---|---|---|---|
| Single-use recyclable plastic | Single-use biodegradable paper | Reusable | Single-use recyclable plastic vs single-use biodegradable paper | Single-use recyclable plastic vs Reusable | Single-use biodegradable paper vs Reusable | |
| PEB | 4.45 (1.56) | 5.46 (1.16) | 5.89 (1.26) | TRUE *** | TRUE *** | TRUE *** |
| SN | 4.24 (1.49) | 4.82 (1.34) | 5.07 (1.26) | TRUE *** | TRUE *** | TRUE *** |
| PCR | 2.77 (1.54) | 2.72 (1.54) | 2.96 (1.67) | FALSE | FALSE | TRUE * |
| VM | 4.12 (1.43) | 4.48 (1.32) | 4.87 (1.36) | TRUE *** | TRUE *** | TRUE *** |
| Mean (dev. std) | Differences (Friedman test) | |||||
|---|---|---|---|---|---|---|
| Single-use recyclable plastic | Single-use biodegradable paper | Reusable | Single-use recyclable plastic vs single-use biodegradable paper | Single-use recyclable plastic vs | Single-use biodegradable paper vs | |
| PEB | 4.45 (1.56) | 5.46 (1.16) | 5.89 (1.26) | TRUE *** | TRUE *** | TRUE *** |
| SN | 4.24 (1.49) | 4.82 (1.34) | 5.07 (1.26) | TRUE *** | TRUE *** | TRUE *** |
| PCR | 2.77 (1.54) | 2.72 (1.54) | 2.96 (1.67) | FALSE | FALSE | TRUE * |
| VM | 4.12 (1.43) | 4.48 (1.32) | 4.87 (1.36) | TRUE *** | TRUE *** | TRUE *** |
Note(s): *p < 0.05; ***p < 0.001
Source(s): Created by the authors