The Presentation of Online Self Scale (POSS)11 contains 21 items rated on a 5-point scale(“strongly disagree” to “strongly agree”) and measures different types of online selfpresentation behaviour. The scale includes the following four factors: a) Ideal Self, whichmeasures the extent to which individuals present an idealised version of the self while online(e.g. “I can show my best qualities online”), b) Multiple Selves, which measures the extent towhich individuals present multiple versions of the self across different online platforms