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Field
Intervention (Public)
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Before
1. Control group: Participants receive irrelevant information every week;
2. Information feedback group: Participants receive feedback on their travel behaviour from the previous week every week, without any additional monetary reward;
3. Multiple-times self-selection group: During the experiment, participants receive information feedback every week and can choose their own monetary reward mode for the week;
(1)Piece rate: Participants receive a 5 yuan reward for each early peak period travel. They can earn the reward once per day at most. A maximum of three rewards can be obtained per week.
(2)All or nothing: Participants who travel during the early peak period on at least three days in a week can directly receive a reward of 15 yuan;
4. One-time self-selection group: Before the first reward week, participants choose their reward mode for the entire experiment period as either a piece rate or an all-or-nothing reward. Once chosen, it cannot be changed.
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After
1. Control group: Participants will receive irrelevant information every week;
2. Information feedback group: Participants receive feedback on their travel behaviour from the previous week every week, without any additional monetary reward;
3. Multiple-times self-selection group: During the experiment, participants receive information feedback every week and can choose their own monetary reward mode for the week;
(1)Piece rate: Participants receive a 5 yuan reward for each early peak period travel. They can earn the reward once per day at most. A maximum of three rewards can be obtained per week.
(2)All or nothing: Participants who travel during the early peak period on at least three days in a week can directly receive a reward of 15 yuan;
4. One-time self-selection group: Before the first reward week, participants choose their reward mode for the entire experiment period as either a piece rate or an all-or-nothing reward. Once chosen, it cannot be changed.
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