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Lesson 7 of 13 · Free

Process Versus Outcome: Judging Decisions Instead of Results

Separate decision quality from results with a process score and the four-box decision matrix.

Author: Moustafa HijaziContent reviewed: 2026-10-304 min readSelf-study course

What you will learn

  • What "resulting" is and why it teaches you the wrong lessons.
  • The four-box matrix that separates good decisions from good outcomes.
  • How to build a process score for every trade.
  • How to compare process quality and results in your journal without overreacting to small samples.

Explanation

The beginner trading course showed you how to keep a journal, and the risk management course how to measure results in R-multiples (a result divided by the initial risk). This lesson adds a second column next to every result: the quality of the decision.

Resulting

Outcome bias is the tendency to judge a decision by its result instead of by the information and reasoning available when it was made. The former professional poker player and author Annie Duke calls this habit "resulting". A trader who breaks his rules and wins learns "rule-breaking works". A trader who follows his rules and loses learns "my rules are bad". Both lessons are wrong, because in a probabilistic activity a single result says little about the decision.

The four-box matrix

Good outcome Bad outcome
Good process Deserved success: repeat Bad luck: accept, change nothing
Bad process Dumb luck: the most dangerous box Deserved loss: fix the process

"Dumb luck" is the most dangerous box because it rewards bad habits. The dopamine response from lesson 1 makes such wins feel especially memorable.

Building a process score

A process score grades how well a trade followed your plan, independent of profit. Use four yes/no criteria, each worth one point:

  1. The setup was in my written plan.
  2. Entry, stop, target and size were defined before entry and matched my rules.
  3. I completed the entry protocol (lesson 5), including the state check.
  4. I managed and exited the trade according to the plan.

Score 4 = grade A; score 3 = grade B; score 2 or less = grade C. Record the grade before you look at the result in R, ideally right after you exit. In your weekly review, look at C-grade trades first, regardless of whether they won.

Worked example

Hypothetical example: a trader reviews ten trades. Results are in R. Fees, spreads and taxes are excluded.

Trade Grade Result (R) Matrix box
1 A +2.0 Deserved success
2 C +3.0 Dumb luck
3 A −1.0 Bad luck
4 A −1.0 Bad luck
5 C −2.0 Deserved loss
6 A +1.5 Deserved success
7 C −1.5 Deserved loss
8 A −1.0 Bad luck
9 C +0.5 Dumb luck
10 A +2.0 Deserved success

Step 1, A-grade trades (6 trades): +2.0 − 1.0 − 1.0 + 1.5 − 1.0 + 2.0 = +2.5R; average = 2.5 ÷ 6 ≈ +0.42R per trade.

Step 2, C-grade trades (4 trades): +3.0 − 2.0 − 1.5 + 0.5 = 0.0R; average = 0.0R per trade.

Step 3, interpretation: the single best trade (+3.0R) was a rule break. Judged by results alone, the trader might copy it. Judged by process, he sees that C-grade trades as a group earned nothing and produced the two largest losses (−2.0R and −1.5R are both bigger than his planned −1R). The fix is in the C-grade trades, not in the A-grade losses.

Ten trades are far too few to prove anything about the strategy. The purpose here is to direct attention: which decisions need work.

Common mistake

Changing rules after a losing A-grade tradeIf you followed your plan and lost, the matrix says "bad luck". Changing the rules after single losses means you never collect enough data to know whether the rules work. Change rules only after a planned review of a sufficient sample.

Practice activity

On paper, place each hypothetical trade in the matrix: (a) followed every rule, stopped out at −1R; (b) entered without a setup out of boredom, won +2R; (c) moved the stop further away, lost −2.5R; (d) followed every rule, reached target at +2R. Then name the one trade that needs the most attention in the review.

Show solution

(a) Good process, bad outcome: bad luck. (b) Bad process, good outcome: dumb luck. (c) Bad process, bad outcome: deserved loss. (d) Good process, good outcome: deserved success.

Most attention: (b), because the win rewards a habit (boredom trading) that would likely be harmful over many trades. Trade (c) also needs a fix, but its loss already makes the lesson visible.

Limitations: a process score is only as good as your written plan; if the plan itself has no edge, perfect process will not create one.

Key takeaways

  • "Resulting" judges decisions by outcomes and teaches wrong lessons in a probabilistic activity.
  • The four-box matrix separates process from outcome; "dumb luck" is the most dangerous box.
  • Give every trade a process grade before you look at its result.
  • Review C-grade trades first, and change rules only after a planned review of enough trades.

Next step

The next lesson explains uncertainty and variance in depth: why even good decisions can lose, sometimes many times in a row.

Self-check

Answer the questions, then check your answers. You can retry as often as you like.

1. A trader enters without a setup, out of boredom, and gains +3R. In the four-box matrix, this trade is:

2. Five A-grade trades returned +2R, −1R, −1R, +2R and −1R. What is their average result?

3. Why should you record the process grade before looking at the result?

Automatic self-check for your own revision. Your answers are checked in your browser and are not seen or assessed by us. It is not an exam and not a qualification.

Your progress

“Complete” only means you marked the lesson as done. It is not a test of your understanding. Progress and notes are saved only in this browser on this device — not in an account.