People learn in very different ways.
Some individuals need to see and touch things, others need to hear information, and still others need to write things down in order to learn them. There is no single way to learn, nor is there one right way. You have better luck spelling a word correctly by sounding it out, rather than by writing it. Your handwriting is generally hard to read and sloppy. You have an easier time recalling something if you repeat it or say it aloud.