The papers published in JPT will be considered for a retraction if :

• They have clear evidence that the findings are unreliable, either as a result of misconduct (e.g. data fabrication) or honest error (e.g. miscalculation or experimental error)
• the findings have previously been published elsewhere without proper crossreferencing, permission or justification (i.e. cases of redundant publication)
• it constitutes plagiarism
• it reports unethical research
• The mechanism of retraction follows the Retraction Guidelines of Committee on Publication Ethics (COPE) which can be accessed at https://publicationethics.org/files/retraction%20guidelines.pdf.