The PDF provides three full Reading passages (Academic & General Training) with answers explained using the linear method . You can see exactly where a typical student would have jumped ahead, and where a linear thinker found the answer instantly.
Following the author's logical progression paragraph by paragraph. linear thinking in ielts reading pdf
Skimming gives you 50% of the information. Linear gives you 100% in the right order. The PDF provides three full Reading passages (Academic