Answers are grounded in this paper and cite their sources.
Contents: Preface. Introduction: Definition, Brief History, and Taxonomy of Individual Differences. Personality, Temperament, and Mood. Language Aptitude. Motivation and Self-Motivation. Learning Styles and Cognitive Styles. Language Learning Strategies and Student Self-Regulation. Other Learner Characteristics. Conclusion.
No takes yet. Share an insight, caveat, or question.
Zoltán Dörnyei (2005) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: