The Fountas & Pinnell Phonics, Spelling, and Word Study Systems: Explicit, Systematic, and Grounded in the Twelve Principles from Research
Part two in a two-part research series, Irene C. Fountas and Gay Su Pinnell align the Phonics, Spelling, and Word Study Systems (K-6) to the research on effective phonics instruction.
Make sure to read part one in this research series, "Twelve Compelling Principles from the Research on Effective Phonics Instruction."