Kubler-Ross Model
The Kubler-Ross Model, also known as the 5 Stages of Grief, is a hypothesis first put forward by Elizabeth Kubler-Ross in 1969, that lists the five emotional stages that a person potentially goes through when facing impending death or other catastrophic or life-changing experience. Presented in her book, On Death and Dying, the hypothesis holds that these 5 stages, denial, anger, bargaining, depression and acceptance, will be experienced by a person facing death or other life-altering situation, but that that each individual will not necessarily experience all five stages, or will experience them in the same order.