self-selection
nounUK /ˌself sɪˈlekʃən/
US /ˌself sɪˈlekʃən/
When you choose something for yourself instead of someone choosing it for you.
The library lets kids do self-selection, so I picked my own books.
RELATED WORDS
OTHER MEANINGS
2. A situation where only certain people or things join in, so the group is not a fair mix of everyone.
The survey had self-selection because only people who love sports filled it out.
3. In science, when the things being studied pick themselves rather than being picked at random.
The study was flawed by self-selection because volunteers chose to take part.
4. The act of picking yourself for a task or team.
Her self-selection as team captain surprised no one.