African-American subjects

Jawad, male, African-American, 56, retired/seasonal tax worker

Regina, female, African-American, 41, healthcare case coordinator

Khalid, male, African-American, 52, unemployed

Ja'far, male, African-American, 23, student

Sayf, male, African-American, 41, barber shop owner

Naseem, male, African-American, 34, barber

Abdulrahman, male, African-American, 35, barber

Noelle, female, African-American, 35, physician

Ismail, male, African-American, 23, student