Although Professor Wu's research suggests that Kumon students have superior reasoning ability to ordinary students, this theory doesn't convince parents who can see what's going on in front of them.
學了五年功文數學的盧珊樺目前已在做國一數學，但不免在碰到面積、圖形等問題時出現「不知怎麼列算式」的窘境；「只要有算式，我就會做」，她說。縱然吳武典的研究結果顯示功文學生的創造思考能力優於一般學生，但這說法無法說服大多數家長眼見的事實。