APÂ®, Advanced Placement ProgramÂ® or Pre-APÂ® is a registered trademark of the College Board, which was not involved in the production of, and does not endorse, this product. SATÂ® is a trademark registered and/or owned by the College Board, which was not involved in the production of, and does not endorse, this product.
1 The International Society for the Study of Individual Differences (ISSID) was founded in 1983 to foster research on individual differences in temperament, intelligence, attitudes, and abilities.
Original Issue Discount (OID) is a type of interest that is not payable as it accrues. OID is normally created when a debt, usually a bond, is issued at a discount. In effect, selling a bond at a discount converts stated principal into a return on investment, or interest.