However, the student believed Radcliffe used excessive force and reported Radcliffe to her student nurse educator at Toi Ohomai. Radcliffe was eventually suspended while an investigation into her conduct was held.
Radcliffe was fired on May 3.
The student said "I felt very upset and hurt by what I had witnessed" but later admitted she might have got things wrong.
Authority member Anna Fitzgibbon said there were significant flaws in the investigation, run by unit manager Michelle Watson and area manager Carol Ropati who "relied on third-hand information" which was not checked.
Fitzgibbon said, in her view, Watson and Ropati formed a view in their minds very early on "even though the overwhelming evidence gathered by Ms Watson and Ms Ropati, excepting Ms Farminer, supported Ms Radcliffe's version of events, they did not accept her version of events".
A Glynavon nurse there that night did not believe Radcliffe's pushes were excessive and Mr X could not identify Radcliffe as mistreating him.
The authority ruled Radcliffe be reinstated to her former role, despite the employer's objections.