Answer:
Welma is most likely engaging in denialism.
Explanation:
Denialism is described as a personal choice of an individual to deny or refuse to accept the reality in order to avoid a psychologically disturbing truth. It can be defined as the rejection of empirically verifiable reality to protect and maintain emotional and psychological wellbeing.
Denialism is a self defense mechanism which protects the psyche of the individual from the mentally disturbing facts and ideas.
Therefore, Welma is most likely engaging in denialism.