7spellis scientifically designed, and utilizes principles based on decades of research in learning, retention, and psychology. Here is a summary of the theory and research behind 7spell's effectiveness.
The program features an impressive word database of more than 140,000 words, and many activities and courses to ensure that no matter what level a user is on, or which learning needs they have to reach their goals, they can find compelling practice material to boost their spelling skills with.
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