Meta Research Says Parental Controls Do Little To Limit Teen Social Media Use

The California trial examining the impact of social media on young users addiction has brought internal research from Meta into public view, including findings that question how effective parental controls are at limiting compulsive platform use.

Good to Know

• Internal Meta study called Project MYST found limited connection between parental controls and teen moderation of social media use
• Case is part of a broader wave of lawsuits alleging harm to children from major platforms
• CEO Mark Zuckerberg is expected to testify as proceedings continue in Los Angeles

Testimony in Los Angeles County Superior Court highlighted research conducted by Meta in partnership with University of Chicago. Study, known as Project MYST, surveyed roughly 1,000 teenagers and parents about usage habits and supervision practices.

Researchers concluded that “parental and household factors have little association with teens’ reported levels of attentiveness to their social media use.” Findings suggested that tools such as time limits, restricted access, and monitoring did not meaningfully change whether teens used platforms compulsively.

Study further stated that “there is no association between either parental reports or teen reports of parental supervision, and teens’ survey measures of attentiveness or capability.”

Case was brought by a plaintiff identified as KGM, also referred to as Kaley, along with her mother and others. Lawsuit accuses several technology companies of designing “addictive and dangerous” products that allegedly contributed to anxiety, depression, body dysmorphia, eating disorders, self harm, and suicidal ideation among young users.

Legal action originally named Meta, YouTube, ByteDance, and Snap. ByteDance and Snap reached settlements before trial began, leaving remaining claims focused on other defendants.

Attorney Mark Lanier pointed to Project MYST as evidence that companies understood potential harms yet did not make findings public or issue warnings. He argued that responsibility should not fall solely on families, noting that Kaley mother attempted to intervene, including removing phone access at times.

Research also identified a connection between stressful life experiences and difficulty regulating usage. Teens facing challenges such as family instability, harassment, or other adversity reported less ability to moderate time spent online.

Instagram head Adam Mosseri testified that he was not familiar with details of Project MYST, stating: “We do a lot of research projects,” after saying he could not recall specifics beyond the name. A document introduced in court appeared to show prior approval tied to the research effort.

Mosseri acknowledged that some users turn to platforms as a coping mechanism, saying: “There’s a variety of reasons this can be the case. One I’ve heard often is that people use Instagram as a way to escape from a more difficult reality.” Company uses the term “problematic use” rather than addiction to describe situations where someone spends more time on the service than intended.

Defense arguments framed the research as an exploration of self perception rather than proof of addiction, while also emphasizing outside influences such as family circumstances or bullying as contributing factors to negative outcomes.

Project MYST findings were never published publicly, according to testimony, and no direct warnings were issued to parents or teens based on the research.

Trial resumes Wednesday with global attention as Mark Zuckerberg prepares to take the stand, a moment expected to shape interpretation of both the study and broader claims about youth engagement with social media platforms.