A collection of excel workbooks (Meta-Essentials) supporting the meta-analytic findings in the paper "Gender, Hidden Profiles and the Individual Preference Effect". The meta-analyses effect sizes were calculated using ‘Meta-Essentials’ (version 1.1) [Excel spreadsheet] (Suurmond, van Rhee, & Hak, 2017).  This is a set of Excel spreadsheet workbooks which is free to use and which can be downloaded from an accompanying website (www.meta-essentials.com) together with an accompanying user manual (Van Rhee, Suurmond, & Hak, 2015). Both the workbooks and the manual are licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.