Ikea Effect

Participants were asked to create origami by following a set of instructions

They were willing to pay five times more for it than those who hadn’t built it 

We place a much higher value on things we have built or created ourselves

See the full study here :

Norton, M. I., Mochon, D., & Ariely, D. (2011). The IKEA effect: When labor leads to love. Journal of consumer psychology22(3), 453-460,

Want to know more about biases?

Availability Bias

Projection Bias

Barnum Effect