The Simplest and Most Effective Method of All? – Blog – Get Everything Done

3 + 2*

  1. Write down three tasks
  2. Do the first two in order
  3. Add another two tasks (so there are three tasks again)
  4. Do the first two in order
  5. Repeat ad infinitum

(…) I myself have found it works best for me the less I consult them [ lists ]. This is because every time I do two tasks the method requires me to think carefully about what I should do next. This seems to result in a training effect on my mind enabling it to grasp the totality of what I have to do. This ability is inhibited by relying on lists and reminders.

See also Original SMEMA instructions & FAQ