1) The document discusses research on teaching Chinese literacy to young learners, including the differences between learning Chinese characters and English, and appropriate levels and strategies for character introduction. 2) Several studies cited found that print-rich environments, oral language development, and teaching character radicals and phonetic components are important for developing literacy. 3) Some research suggests writing characters helps reading ability in Chinese by strengthening visual recognition, while other studies indicate reading and writing are independent skills that may not always correlate.