## Rationale ## This is the online supplement to the paper 'How do we improve statistical training in archaeological science?' (Vaiglova 2025, *Journal of Archaeological Science*). ---------- ## Reproducibile analyses ## In the tab 'Files' above, you will find the R code and jamovi (.omv) files that I used in preparing this paper. Figures 1 and 2 were prepared using jamovi. See the folders 'Fig1: wheat and barley from Kouphovouno' and 'Fig2: meta-analysis of stature vs. R femur' for the .omv files and step-by-step walkthroughs for how the figures can be reproduced. The calculations from Examples 1–7 can be reproduced either using the R script 'Examples_1_to_6.R' or the relevant .omv files. The .omv files are accompanied by step-by-step walkthroughs of how to use the program. The full Kouphovouno dataset is also supplied as an Excel spreadsheet. ---------- ## Setting up esci in jamovi ## ‘esci’ (pronounced ‘es-key’), stands for ‘Estimation Statistics with Confidence Intervals’. The plug-in was written as an accompaniment to the book *Introduction to the New Statistics* (Cumming and Calin-Jageman 2024). It runs in the free software *jamovi* (jamovi.org). See the book's Appendix for detailed instructions on how to download and set up esci in jamovi. A number of posts on how to set up and use esci can also be found in the blog on www.thenewstatistics.com. ---------- ## Citing this work ## **Use of esci in jamovi can be referenced using**: Cumming, G., Calin-Jageman, R., 2024. *Introduction to the New Statistics: Estimation, Open Science, and Beyond*. Routledge. The jamovi project (2024). jamovi. (Version 2.6) [Computer Software]. Retrieved from https://www.jamovi.org. R Core Team (2024). R: A Language and environment for statistical computing. (Version 4.4) [Computer software]. Retrieved from https://cran.r-project.org. (R packages retrieved from CRAN snapshot 2024-08-07). Bonett, D.G. (2008). Confidence intervals for standardized linear contrasts of means. Psychological Methods. link, 13, 99-109. Kay, M. (2002). ggdist: Visualizations of Distributions and Uncertainty in the Grammar of Graphics. IEEE Transactions on Visualization and Computer Graphics. link, 30, 414-424. # **The dataset of stable isotope values from Kouphovouno comes from**: Vaiglova, P., Bogaard, A., Collins, M., Cavanagh, W., Mee, C., Renard, J., Lamb, A., Gardeisen, A., Fraser, R., 2014. An integrated stable isotope study of plants and animals from Kouphovouno, southern Greece: a new look at Neolithic farming. J. Archaeol. Sci. 42, 201–215. https://doi.org/10.1016/j.jas.2013.10.023