You've gotten here because you completed the experiment I am running through Pavlovia and wanted more information about it. Welcome!
The experiment you took part in is part of a larger research project on some of the mechanisms behind word learning, which is currently funded by the US National Science Foundation (award #2105195). I am manipulating factors that have previously been shown to help us learn words, like how explicit the instructions I give are, or how many people you hear a word from, to see whether any of them help more than others do. I am also looking at whether it matters how similar the new language is to one we already speak: one condition asks you to learn a language that forms words similarly to English, which you are very familiar with, and the other language forms words similarly to Arabic, which (hopefully!) you are not very familiar with.
The experiment you participated in is a very small piece of this project, and is to see whether you learn either two or three different ways of creating the plural form of a word better in a short period of time. This will allow me to proceed with more of the project once I find out what the limitations are on how quickly we learn all of these ways to make words!