The General Education course Science of Living Systems 20: Psychological Science (SLS 20) meets the Introductory Course requirement as listed in the Requirements Chart.
Science of Living Systems 20s can also be used for this requirement.
PSYC S-1, Introductory Psychology taken in the Harvard Summer School may also meet this requirement.
All courses (including SLS 20) must be taken for a letter grade with the exception of Psy 985, 990, 992, or 993, which are graded SAT/UNSAT.
See here for information about how AP or IB scores apply to the Introductory Course Requirement.