This document summarizes research on factors that influence language learning strategies. It finds that students prefer reading in their native language and understandable materials. Learning style, gender, language proficiency level, and motivation all impact the types of strategies used. Higher proficiency is linked to more cognitive and metacognitive strategies. Females generally use strategies more than males. Extroverts prefer social strategies while introverts use metacognitive strategies more. Higher motivation is associated with adopting strategies more frequently.