Final answer:
Without the specific article by Dan P. Adams, it is impossible to determine which statement about his article on personality is false.
Step-by-step explanation:
The false statement regarding Dan P. Adams' article on personality is not specified in the provided information, making it challenging to identify which of the statements provided is false. The statements about the article given in the question include that Dan P. Adams is the sole author, the article focuses on genetics in personality development, discusses various theoretical perspectives on personality, and has been published in a peer-reviewed journal. Given the diverse sources and perspectives covered in the references, it's clear that personality theory is multifaceted, examining contributions from genetic, environmental, evolutionary, and psychodynamic factors, among others.