Commitment

Intention-Action Gap – the difference between what the user intends to do and what the user do. Users like to commit to something. Use commitment devices to increase conversion. Ask or allow customers to commit to something. You can also increase reward and decrease effort.

Value

Algorithm Aversion and Operational Transparency

Something more automotive is preserved as less valuable. Important to add choice for users so it can be more valuable. Users also like transparency on how something works.  

Motivation:

Intrinsic and extrinsic motivation

People are motivated by different things and different context. Reward users based on the context and not on assumption on what motivates them.