Intellectual development means the growth of a child's ability to think and reason. It's about how they organize their minds, ideas and thoughts to make sense of the world they live in. The government of Vietnam requests the education sector to develop hidden competencies of students, particular young learners. This study therefore analyses…

Attention Deficit Hyperactivity Disorder (ADHD) is a common disorder that is often identified when a child first enters school. About 2% of boys and girls in our population are diagnosed with the disorder (Kaufmann, 2000). Although ADHD is the most frequent reason that children are referred to a mental health professional, the diagnosis of ADHD…