Table 1 Outline of online survey on nostalgic vegetables.
Stage | Caption | Content |
|---|---|---|
1 | Flow of online survey | “We ask each question in the online survey in the following order. Please answer in order.” Question 1: Selection of vegetables that the participants have eaten Question 2: Question about vegetable purchase Question 3: Question about nostalgic vegetables |
2 | Selection of vegetables that participants have eaten | “Please select vegetables that you have eaten.” Display of vegetable names Selection of applicable vegetable names |
3 | Question about vegetable purchase | “Do you buy vegetables yourself? What are the KBFs at the time of vegetable purchase?” Display of “I do not buy vegetables myself” and 10 buying factors Selection of applicable buying factors (multiple responses allowed) |
4-1 | Question about nostalgic vegetables: nostalgic vegetable selection | “Please select vegetables that evoke nostalgia.” Display of vegetable names that the participants have eaten Selection of applicable vegetable names |
4-2 | Question about nostalgic vegetables: nostalgia evaluation | “We now ask you about each vegetable that evokes nostalgia. How much nostalgia do you feel from [vegetable name]?” Display of visual analog scale (VAS) |
4-3 | Question about nostalgic vegetables: recall of past event | “When you think about [vegetable name], do you recall past events?” Selection of response (“yes” or “no”) |
4-4 | Question about nostalgic vegetables: psychological characteristic evaluation of past event | [Nostalgia]: “How much nostalgia do you feel from the event?” [Positive affect]: “How positive is the impression of the event?” [Vividness]: “How vivid is the memory of the event?” Display of each VAS |
5 | Question about gender and age | “Please enter your gender and age.” Selection of applicable gender Selection of applicable age |
