Mastering Mandarin Chinese requires moving 500 characters, pinyin tone contours, and grammatical collocations from working memory into long-term storage. According to cognitive psychologist Hermann Ebbinghaus's Forgetting Curve, over 70% of newly encountered foreign vocabulary is forgotten within 48 hours without systematic reactivation.
Flippio's study tools leverage the testing effect and active retrieval intervals to halt memory decay. Consistent daily study of 15 to 25 minutes significantly outperforms weekly multi-hour cramming sessions.
Plan practice around the skill you want to strengthen: vocabulary, listening, reading, or speaking. The site's 500-word collection comes from the data bundled with Flippio and is not verified as a complete examination syllabus.