Group 1 - The core idea emphasizes that successful parents are not born but are a result of continuous self-learning and improvement [1][8] - The article introduces four universal formulas for family education, focusing on effective praise and criticism techniques [2][4][8] Group 2 - The first formula for praising children includes five steps: stating facts, acknowledging the value of the action, expressing feelings, conveying expectations, and physical contact [2][3] - The second formula for criticizing children also consists of five steps: stating facts, confirming the punishability, expressing feelings of pain, preserving the child's self-worth, and expressing expectations [4][5] Group 3 - The third formula highlights that feelings are more impactful than actions, which are more impactful than preaching, and preaching is more impactful than punishment [6] - The fourth formula asserts that good parents combined with good family education lead to good children, emphasizing the importance of parental learning and self-improvement [8][9]