"...this widely-cited and influential work was never published in a peer-reviewed journal. The findings were instead reported in Langer’s 2009 book ‘Counterclockwise’. Despite the intriguing results, this study was never peer-reviewed or replicated. In 2019, a protocol for a replication was published, but at the time of writing the results are still pending."
Indeed, she appears to have a history of doing experiments that never get published in peer-reviewed places, but citing them in her books.
"...this widely-cited and influential work was never published in a peer-reviewed journal. The findings were instead reported in Langer’s 2009 book ‘Counterclockwise’. Despite the intriguing results, this study was never peer-reviewed or replicated. In 2019, a protocol for a replication was published, but at the time of writing the results are still pending."
Indeed, she appears to have a history of doing experiments that never get published in peer-reviewed places, but citing them in her books.