Eclecticism is the use of many unrelated items different items to form a whole.
For example, in interior design this could mean using items from different styles of decoration to create an interesting effect such as mixing antiques and modern pieces for a specific look.
In psychological counseling eclecticism can refer to the eclectic perspective. This means choosing methods and techniques from different schools of thought to produce positive results and a tailored plan for a specific individual. For example, therapists commonly use methods from both behavioral and cognitive perspectives in order to treat depression.