; (B) to subdivide or segment consumers of online services into groups for the purposes of behavioral or psychological experiments or studies, except with the informed consent of each user involved; or (C) to design, modify, or manipulate a user interface on a website or online service, or portion thereof, that is directed to an individual under the age of 13, with the purpose or substantial effect of cultivating compulsive usage, including video auto-play functions initiated without the consent of a user. (b) Duties of large online operators Any large online operator that engages in any form of behavioral or psychological research based on the activity or data of its users shall— (1) disclose to its users on a routine basis, but not less than once each 90 days, any experiments or studies that user was subjected to or enrolled in with the purpose of promoting engagement or product conversion; (2) disclose to the public on a routine basis, but not less than once each 90 days, any experiments or studies with the purposes of promoting engagement or product conversion being currently undertaken, or concluded since the prior disclosure; (3) shall present the disclosures in paragraphs (1) and (2) in a manner that— (A) is clear, conspicuous, context-appropriate, and easily accessible; and (B) is not deceptively obscured; (4) establish an Independent Review Board for any behavioral or psychological research, of any purpose, conducted on users or on the basis of user activity or data, which shall review and have authority to approve, require modification in, or disapprove all behavioral or psychological experiments or research; and (5) ensure that any Independent Review Board established under paragraph (4) shall register with the Commission, including providing to the Commission— (A) the names and resumes of every board member; (B) the composition and reporting structure of the Board to the management of the operator