A new study has found that the simple act of buying a JLPT textbook is enough to improve Japanese language ability.

Researchers from the University of Tokyo concluded that the amount of JLPT textbooks a Japanese language learner has at their place of living is directly correlated to their Japanese fluency.

33-year-old learner Greg Walters purchased an official JLPT N3 textbook last week and his Japanese progressed immediately.

“I felt even more fluent as soon as I handed over the cash,” says Greg.

Walters adjusted his LinkedIn profile to “more fluent” after making the shrewd investment.

Image: JLPT