1The researchers carefully selected a diverse group of participants for the psychological study.
2Can you confirm the number of participants who have registered for the conference so far?
3As a participant in the focus group, you will be asked to share your opinions on the new product design.
4The company is seeking participants for a clinical trial to test the safety and efficacy of the new medication.
5The artist invited participants to contribute to the collaborative mural, which was displayed in the city center.