• UPDATE: PER General Guidelines and User Templates updated.
  • PER is an open access journal that publishes high-quality articles, in English. All articles published in PER will be peer-reviewed.
  • PER will be published six times a year (one volume per year), in January, March, May, July, September and November  starting from 2022.
  • Articles that do not comply with the Per’s rules, without using PER’s template, whose similarity is above 15%, which handle a single dependent variable and are longer than necessary will not be evaluated..