v1: Overall, I'm satisfied with supermarket x
1 = v1: Fully agree
2 = v1: Agree
3 = v1: Neutral
4 = v1: Disagree
5 = v1: Strongly disagree
6 = v1: Don't know/no opinion

v2: I'd recommend supermarket x to other people
1 = v2: Fully agree
2 = v2: Agree
3 = v2: Neutral
4 = v2: Disagree
5 = v2: Strongly disagree
6 = v2: Don't know/no opinion

v10: Supermarket x has a good range of product
1 = v10: Fully agree
2 = v10: Agree
3 = v10: Neutral
4 = v10: Disagree
5 = v10: Strongly disagree
6 = v10: Don't know/no opinion

v11: Supermarket x has low pricing
1 = v11: Fully agree
2 = v11: Agree
3 = v11: Neutral
4 = v11: Disagree
5 = v11: Strongly disagree
6 = v11: Don't know/no opinion

v12_1: The employees of supermarket x are knowledgeable
1 = v12_1: Fully agree
2 = v12_1: Agree
3 = v12_1: Neutral
4 = v12_1: Disagree
5 = v12_1: Strongly disagree
6 = v12_1: Don't know/no opinion

v12_2: The employees of supermarket x are friendly
1 = v12_2: Fully agree
2 = v12_2: Agree
3 = v12_2: Neutral
4 = v12_2: Disagree
5 = v12_2: Strongly disagree
6 = v12_2: Don't know/no opinion

v13_1A: Supermarket x is usually tidy and clean
1 = v13_1A: Fully agree
2 = v13_1A: Agree
3 = v13_1A: Neutral
4 = v13_1A: Disagree
5 = v13_1A: Strongly disagree
6 = v13_1A: Don't know/no opinion

1 = v13_2A: Fully agree
2 = v13_2A: Agree
3 = v13_2A: Neutral
4 = v13_2A: Disagree
5 = v13_2A: Strongly disagree
6 = v13_2A: Don't know/no opinion