帮我写一篇有关影响英语学习者学习英语的因素的文献综述，英文，800字以上，有reference

Title: Factors Affecting English Language Learners – A Literature Review Introduction: The acquisition of English as a second or foreign language is a complex endeavor influenced by various factors. This literature review aims to explore the primary influences on English language learning, drawing on recent studies and providing an overview of the key elements that contribute to a learner's success or failure in mastering the language. Factors Affecting English Language Learning: 1. Motivation: Dörnyei (2009) notes that motivation is a critical driving force behind learners' engagement with language studies. It can be intrinsic—for example, stemming from the joy of learning—or extrinsic, where external rewards are the motivator. High levels of motivation have been linked to better language acquisition outcomes (Dörnyei, 2009). 2. Age: The Critical Period Hypothesis suggests that there is an optimal age for acquiring a second language, with younger learners having an advantage (Hakuta, 1986). However, recent research indicates that while late starters may find pronunciation more challenging, they can still achieve high levels of proficiency through dedicated study (Birdsong, 1999). 3. Learning environment: An effective learning environment plays a significant role in language acquisition. Kılıç & Şendemir (2020) found that learners who feel supported and engaged in the classroom setting are more likely to perform well academically. Moreover, technology-enhanced learning environments have been shown to facilitate individualized and immersive experiences, which can enhance learning outcomes (Godwin-Jones, 2014). 4. Cultural Exposure: Exposure to English-speaking cultures through media, travel, or interaction with native speakers greatly affects language acquisition (Liddicoat & Scarino, 2013). This allows learners to experience language in context, which can foster practical usage and a deeper understanding of cultural nuances that language conveys. 5. Cognitive Style: Different learners have