I'd be wary of claims like... "...we teach Japanese according to scientific research and a frequency analysis of Japanese in the wild. We start with grammar fu

I'd be wary of claims like... "...we teach Japanese according to scientific research and a frequency analysis of Japanese in the wild. We start with grammar fundamentals and our Particles-First Approach. ... Our online Japanese study software focuses on thorough grammar explanations, plentiful examples, and drills and quizzes that make sure you learn and retain what you're studying." ...as the scientific research has shown that grammar explanations and drills are a lousy way to teach a language. Here's an article worth checking out: https://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.466.714&rep=rep1&type=pdf https://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.46...