The document discusses several studies on factors that influence language learning strategies used by students. One study found Turkish learners used language learning strategies slightly more than other groups, while elementary learners used them less. Another study found Thai students with additional English study experience used cognitive and metacognitive strategies more than those without. Motivation was also found to directly influence strategy use and language learning outcomes. One study found females used certain strategies more than males. Background and learning style were also found to influence strategy choice.