Claims

Juveniles, especially those age 15 and younger, frequently do not adequately comprehend or appreciate the Miranda warnings they waive: as a group they understand the words of the warnings, and the function and significance of the rights to silence and counsel, less well than adults -- raising doubt about whether a juvenile's waiver is knowing and intelligent.

Adolescents are more susceptible than adults to peer influence and to external pressure or coercion, with susceptibility greatest in mid-adolescence; the mere presence of peers measurably increases adolescents' risk-taking and shifts their decisions toward immediate rewards.

A child's age objectively affects how they experience police questioning: minors are more susceptible than adults to perceived pressure and authority, are more suggestible, and are at greater risk of falsely confessing, so age is materially relevant to whether a reasonable person would feel free to leave or to remain silent.

Juveniles are over-represented among proven false confessions, and adolescents are at elevated risk of false confession relative to adults -- a dispositional vulnerability (immaturity of judgment, suggestibility, and compliance with authority) that interacts with situational interrogation pressure. The claim concerns the composition of known and proven cases and comparative risk, not a known absolute rate among all juvenile confessions.