The IKEA Effect: A Delusion That Drives Kitchen Designers Crazy!

“The IKEA effect¬†is a cognitive bias in which consumers place a disproportionately high value on what they partially create.”¬†Wikipedia
In these studies researchers found that consumers valued their own work product far above what would be considered reasonable or rational. For example, researchers found that the majority of people attempting origami for the first time rated their own creation better than the same design done by an origami master.