The IKEA effect is a cognitive bias that can influence the outcome and perceived value of products to a big degree.
People tend to place high value on products they partially have created.
Hence, the name IKEA effect. It is derived from the Swedish furniture retailer famous for products that require to be assembled by the customers.
A bit about the IKEA effect
The more the needs for customization and co-production are present in your target audience the more the IKEA effect is relevant for you as a designer.