Adherence-Commitment-Effectiveness Filter
Choose the most effective health action you can sustain
- Difficulty
- Easy
- Time to result
- ~days to results
- Steps
- 3
- Confidence
- 98%
This filter ranks health choices in the order that behavior makes them useful. First, ask whether you will actually do the action consistently, including when motivation falls. Second, examine the commitment it demands and decide whether that commitment fits your real schedule, energy, and responsibilities. Only then compare the effectiveness of the viable options. The mechanism is simple: an optimal intervention that is never performed produces no result, while a slightly less efficient action repeated reliably can compound. The filter also starts with activities a person enjoys, then improves their execution rather than forcing a supposedly superior replacement. It turns abstract research findings into a practical choice bounded by adherence and real-life capacity.
Origin
Sal Di Stefano says two decades of training everyday people taught him to filter research through what clients would actually do and to refine advice when behavior changed.
Core principles
- 01An intervention has zero effectiveness when you will not do it
- 02Sustainable behavior beats a theoretically optimal protocol
- 03Fit the commitment to your real life before comparing outcomes
- 04Optimize only within the set of actions you can maintain
How to run it
- 1
Test adherence
Ask whether you will keep doing the action outside a burst of motivation. Remove options you already know you will avoid.
Pro tip Judge the behavior against a normal difficult week, not an ideal week.
Watch out Do not confuse enthusiasm today with reliable adherence.
- 2
Price the commitment
Calculate the time, effort, recovery, planning, and disruption the action requires. Decide whether that total commitment is realistic for you.
Pro tip Include indirect costs such as lost sleep or extra meal preparation.
Watch out A small theoretical gain can hide a much larger lifestyle cost.
- 3
Optimize the viable set
Among the actions you can sustain, choose the one likely to be most effective. Improve an activity you enjoy before replacing it with one you dislike.
Pro tip Ask how to make your preferred activity more effective for your goal.
Watch out Do not compare effectiveness until adherence and commitment have been screened.
In the wild
A person enjoys riding a bike but is told another exercise burns fat more efficiently. They confirm cycling is the activity they will repeat, set a realistic weekly commitment, and then structure the rides for progressive endurance rather than abandoning them for a disliked routine.
→ A sustainable program with room for deliberate improvement.
Someone considers waking an hour earlier merely to delay breakfast. The filter counts the lost sleep as part of the commitment and rejects the trade because the minor timing benefit costs a more important health behavior.
→ The person keeps the extra hour of sleep and avoids a low-value optimization.
Common mistakes
Starting with study effect size
A strong result on paper is irrelevant when the required behavior will not happen consistently.
Ignoring hidden costs
A protocol can appear easy while consuming sleep, recovery, meal planning, or family time.
Answering aspirationally
Saying what a motivated version of you might do defeats the filter; answer for ordinary conditions.
Is it for you?
Best for
People overwhelmed by conflicting diet, exercise, or wellness advice.
Not ideal for
Situations where urgent medical treatment overrides personal preference or convenience.
From the transcript
“will I do it that's number one because if you won't do it I don't care how effective it is it's nothing there's no Effectiveness…”
“what's the commitment of this and is the commitment realistic for me”
“Effectiveness like what within that c within that context what can I do that's most effective within that context”
From the episode
Episode 317: Sal Di Stefano: The Truth Behind Harmful Health Trends
Sal Di Stefano