Ali Abdaal
February 24, 2019
TL;DR
The retrospective revision timetable improves upon traditional prospective timetables by organizing study around topics rather than time, using color-coding to track mastery levels, and incorporating active recall and spaced repetition for more efficient exam preparation.
“if the exam were tomorrow which topic would I be least happy about”
— Ali
“by the end of it as the exam approaches you look at physiology and you think you know what everything is a green on this I know physiology”
— Ali
“a subject can often seem very daunting until you write down all the topics that are in it and then you think oh wow you know physiology seems complicated but actually there's only really six topics”
— Ali
1. Problems with Prospective Revision Timetables
Ali explains four key problems with traditional prospective timetables: the need to predict study needs six weeks in advance, thinking of revision as time-based rather than topic-based, lack of subject overview, and the procrastination caused by creating elaborate plans.
2. Introduction to Retrospective Revision Timetables
The retrospective method flips the structure by listing topics down the main axis and dates across columns. Each study session records which topic was revised and when, with color-coding (red/yellow/green) to track comprehension levels.
3. How the Method Works in Practice
Ali walks through a week-by-week example, showing how the traffic light color system guides daily study priorities. The key principle is: each day, study whichever topic you're weakest on, not what a pre-made schedule dictates.
4. Real-World Example: Third-Year Psychology
Ali demonstrates his actual Google Sheet from his best-performing university year, organized by three psychology papers with multiple topics. The spreadsheet shows repeated study sessions across several weeks, with color progression from red to green indicating mastery.
5. Key Advantages and Summary
The retrospective method eliminates future prediction, provides instant subject overviews, encourages topic-focused thinking rather than time-based thinking, and is quick to set up. It naturally incorporates active recall and spaced repetition without extra effort.