Reading is perhaps the most complex and awesome set of cognitive skills the human mind can achieve. To keep it simple, the brain has to do thousands of interconnected firings of various biochemical`s and neurons in extremely sophisticated ways for you to be able to understand the sentence you are reading right now. If that is the case, then consider, if it has taken you a lifetime to develop your skills to the unconscious level of habit where they are right now, does it really make sense that you can permanently change those habits in 15 minutes? What kind of magical thinker are you?
Thou shalt encourage regularly and persistently: Remember that encouragement and praise will get children a lot further than criticism and punishment so be your child’s best encourager rather than his fiercest critic. Encouragement helps a child link his or her self-esteem to the process, rather than the results of what they do.