In the educational setting, this is a massive effect. If I offer students feedback slots they can book, generally a majority will book a slot, and around 90% of

In the educational setting, this is a massive effect. If I offer students feedback slots they can book, generally a majority will book a slot, and around 90% of those will turn up. If I just offer times they can drop in for feedback, I get maybe 5% dropping in. (The course is behavioural economics and this is a kind of interesting behavioural phenomenon).