All donations large and small are appreciated, however we do want to highlight special contributors to the B. F. Skinner Foundation:
Sponsor Circle – $20,000-49,999:
Fellow Circle $10,000-19,999:
Friend Circle – $5,000-$9,999:
Contributor – $2,500-$4,999:
Continuing Supporters donate a portion of membership dues, profits, or royalties to the Foundation.