Final answer:
Marcia discovered four identity statuses which are identity diffusion, foreclosure, moratorium, and identity achievement.
Step-by-step explanation:
The four identity statuses that Marcia discovered are:
- Identity diffusion: This occurs when individuals have not yet explored different identities and have not committed to any particular identity.
- Foreclosure: This occurs when individuals have committed to an identity without exploring different options.
- Moratorium: This occurs when individuals are actively exploring different identities without committing to one.
- Identity achievement: This occurs when individuals have explored different identities and have made a committed choice.