When AI is wrong
Catch errors in meaning, numbers and approval claims.
Reviewed: 2026-10-03
Source-based teaching example · Fictional data
Narration: Microsoft Mark · locally synthesized

00:00:00.000 — What you will learn

Catch errors in meaning, numbers and approval claims.

Visual description:
Catch errors in meaning, numbers and approval claims.

00:00:06.625 — The idea

Check each important claim separately. Recalculate numbers yourself. Read the source’s actual wording: “may” is different from “must,” and scheduled review is different from completed approval.

Visual description:
Check each important claim separately. Recalculate numbers yourself. Read the source’s actual wording: “may” is different from “must,” and scheduled review is different from completed approval.

00:00:21.667 — One useful term

Independent check. A check that does not rely on the same answer being correct.

Visual description:
A check that does not rely on the same answer being correct.

00:00:29.708 — A worked example · 1

Three records take 12, 18 and 24 minutes. Their average is 18 minutes. The policy allows a draft-only trial after approval.

Visual description:
Three records take 12, 18 and 24 minutes. Their average is 18 minutes. The policy allows a draft-only trial after approval.

00:00:42.958 — A worked example · 2

A draft changes that permission into a requirement and claims publication is already approved.

Visual description:
A draft changes that permission into a requirement and claims publication is already approved.

00:00:51.500 — Your turn to think

If you repair the average, is the whole brief now correct? Pause and decide before continuing.

Visual description:
If you repair the average, is the whole brief now correct?
Pause the video if you need more time.

00:01:08.667 — Why this answer works

No. The policy and approval claims still need repair. Correct arithmetic does not establish savings or permission.

Visual description:
No. The policy and approval claims still need repair. Correct arithmetic does not establish savings or permission.

00:01:19.500 — Check 1

Recalculate the average.

Visual description:
Recalculate the average.

00:01:24.292 — Check 2

Check the exact policy passage.

Visual description:
Check the exact policy passage.

00:01:29.542 — Check 3

Keep missing approval and baseline evidence visible.

Visual description:
Keep missing approval and baseline evidence visible.

00:01:35.417 — Now try a different case

Open the lesson and try its different practice case. Use every check in the full task. Watching alone does not mark the lesson complete.

Visual description:
Open the lesson
Try the new case
Check and revise
The full task and its requirements are in the linked lesson.