Purpose Just this past week, I learned that, Yes, you can fit an exploratory factor analysis (EFA) with lavaan ( Rosseel, 2012; Rosseel & Jorgensen, 2019). At the moment, this functionality is only unofficially supported, which is likely why many don’t know about it, yet. You can get the [un]official details at issue #112 on the lavaan GitHub repository ( https://github.com/yrosseel/lavaan). The purpose of this blog post is to make EFAs with lavaan even more accessible and web searchable by...