Interactive Shiny application that guides researchers in choosing, applying, and justifying the most appropriate sample size strategy for quantitative, qualitative, and mixed-methods designs.
In this video I give a basic introduction to performing **meta-analysis** of correlations using R.
Meta-analysis is a widely used method to synthesise data from different studies. However, students, practitioners and researchers often lack the practical knowledge to perform and interpret a meta-analysis. This guide presents a variety of tools for …
In this series/tutorial in Spanish, I explain how to perform statistical **power analysis** to calculate the required **sample size** for a study.
Esta guía práctica acompaña la serie de videos [Poder estadístico y tamaño de muestra en *R*](https://www.youtube.com/playlist?list=PLHk7UNt35ccVdyHqnQ6oXVYA6JBNFrE1x), de mi canal de YouTube [Investigación …