The document summarizes research on various factors that influence language learning strategies. It discusses the teacher's mediating role in language acquisition and how their interactions with students can help develop language learning strategies. It also looks at how personality traits, language proficiency level, cultural background, age, gender, motivation, and language exposure can impact what strategies students employ. Research shows high proficiency learners tend to use more interactive strategies while lower levels rely more on memorization and external resources. Cultural background and amount of language exposure also influence strategy use.