N.Y. Comp. Codes R. & Regs. tit. 15, § 138.4
(d) To be approved by the department, a course must meet all of the following criteria:
(3) the course must provide a minimum of 320 minutes of instruction with a certified instructor present. The instruction must include active learning techniques (i.e., student participation). If the course is conducted in one day, a minimum 30-minute break must be allowed in addition to the instruction time. Such instruction must address the following subject areas:
(5) no course may be offered in New York State by more than one sponsoring agency.
(e) Evaluation of motor vehicle accident prevention course.
This subdivision shall apply to all sponsoring agencies applying for initial course approval.
(5) The effectiveness of the course will be measured in terms of reduced convictions or accidents or both, based on the course attendees (the treatment group) as compared to a matched group of motorists who did not attend an accident prevention course (the control group) during the same time frame. This documentation shall be based on motorist records from the jurisdiction in which the course was given. The following criteria shall be used for the purpose of this evaluation and all renewal evaluations required under section 138.5(f) of this Part:
(i) Treatment group.
(ii) Control group.
(iii) Statistical procedures.
(iv) Miscellaneous.