Abstract
Previous research has indicated that writing performance of foreign/second language (L2) learners is influenced by their utilization of self-regulated writing strategies. Yet, the relationship between various self-regulated strategies and individual characteristics, such as writing anxiety and perceived writing difficulty, has not been sufficiently examined. To bridge this gap, this study classified self-regulated writing strategies into four distinct types: cognitive, metacognitive, social behavioral, and motivational. These types were combined with L2 learners' writing anxiety and writing difficulty to form conceptual models to predict high or low writing performance. Fuzzy-set qualitative comparative analysis (fsQCA) was used to gain a detailed understanding of the causal intricacies of writing performance. Data was collected from a sample of 94 students attending a university in eastern China. fsQCA revealed a variety of configurations associated with EFL writing performance, with six of them leading to high performance and four to low performance. These configurations highlight the complex causal relationship between students' use of self-regulated writing strategies and their writing performance, while considering their writing anxiety and perceived writing difficulty. The study provided theoretical and practical implications for L2 teachers and educators who wish to enhance L2 learners' writing performance.