1 PARAMAP vs. ISOMAP: A Comparison of Two Nonlinear Mapping Algorithms Ulas Akkucuk * Ph.D. Candidate Rutgers Business School – Newark and New Brunswick J. Douglas Carroll ** Board of Governors Professor of Management and Psychology Rutgers Business School – Newark and New Brunswick * Address: Ph.D. In Management Program, 180 University Avenue, Newark, NJ 07102-1803 ** Address: Rutgers Business School, Rutgers University, Management Education Center, MEC #125, 111 Washington Street, Newark, NJ 07102-3207; Phone: (973) 353-5814; Fax: (973) 353-5376; E-mail: dcarroll@rci.rutgers.edu