Hwang Jeng-jye cites a number of conditions: Are the textbook's facts accurate? Is the order of their presentation logical? Does the textbook proceed from easier to harder material, and do so with continuity? Are the goals of each unit clear?
黃政傑指出，一本教科書引用事實是否正確、排列的順序是否合乎邏輯、由淺而難、單元目標清楚、文字插圖明白、易讀等，都是決定教科書是否「過得去」的條件。