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Screenshots from the Online Canteen Ordering System showing (A) menu labelling strategy and placement strategy (‘Everyday’ first,‘Caution’ middle, ‘Occasional’ last); (B) prompting—‘Add ons’ for ‘Occasional’ or ‘Caution’ hot food items; (C) Feedback—pie chart displaying the proportion of ‘Everyday’, ‘Occasional’ and ‘Caution—consider switching’ items contained within the lunch order.
