It includes guidelines for teaching phonemic awareness, phonics, fluency, vocabulary and comprehension. Phonemic awareness is the basis for learning phonics. The games covered a range of subjects such as reading, phonics, math, and memory. Embedded phonics is the type of phonics instruction used in whole language programmes. Psychologists will compare the achievement of children attending phonics and whole language classes. Other states are continuing to emphasis the need for instruction in evidenced-based phonics. It teaches children how to read by using games and phonics. The NICHD has come out in support of phonics instruction. Some methods of mix phonics and whole word. Nick Gibb attributes this success to the use of systematic synthetic phonics. In addition, systematic phonics and synthetic phonics receive attention in some publications. In fact, the Department of Education, England uses the term "systematic synthetic phonics". This relation between word sound and form is the backbone of traditional phonics. It contains elements of synthetic phonics, analytical phonics, and analogy phonics. No Child Left Behind has brought a resurgence of interest in phonics.