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The Science · Inter-Annotator Agreement

Do You Hear
What We Hear?

Every score we publish is checked by independent judges: trained humans, and a model held to their standard. When they disagree, the human wins and the model learns. Try your ear first.

Every score begins
with a student speaking
Skill · Grit Sample · Illustrative Response123

Where do you hear it?Not scored yet0 exact · 0 within one
You
Expert
Model
Step 01 · The Rubric, Published

Agreement Starts With A Definition.

Grit

Sustained effort toward a goal, held through setbacks — one of the eight durable skills we measure. Below: what Grit sounds like at each level. Click a level to hear it in a real sentence.

L1 · Emerging

Effort Is Named

Grit is emerging: trying is mentioned, but no setback and no follow-through appear yet.

"I try hard in school."
L2 · Developing

One Hard Thing, Held

Grit is developing: one sustained effort at something difficult, without the full arc.

"It was hard but I didn't give up."
L3 · Present

The Whole Arc

Grit is present: a setback, sustained effort, and an outcome, causally linked.

"Because I stuck with it, I made the team."
L4 · Strong

The Lesson Travels

Grit is strong: the full arc, and the lesson transfers to new situations.

"Now when anything's hard, I remind myself it just takes reps."
One Voice, Read By The Rubric · Click The Levels Above
Nia
Grade 12 · Voice Prompt: Something You're Working On

“At first I kept messing up the routine and I wanted to quit, but I kept practicing it every night until it finally clicked. Because I stuck with it, I made the team, and now when something is hard I remind myself it just takes reps.”

Step 02 · The Scoring Room

ML Score. Human Score. One Winner.

The working interface our raters use, doors open. Set the Human Score on each row — where you differ, yours publishes.

Student
Answer
ML Score
Human Score · You
Published

Sample responses, students, and counts · Illustrative

Step 03 · One Case, Start To Finish

When They Disagree, The Human Wins.

You just ran the scoring room. Now slow one disagreement down and take the call yourself: do you hear L2, or L3?

01 · The Model Reads02 · You Make The Call03 · The Human Wins04 · The Model Learns
Zaria
Grade 11 · Voice Prompt: The 10,000 Hours Rule

“My auntie always says quitters never win, so I guess I just don’t quit. Like last semester with algebra, everybody said drop it, and I stayed.”

The Model's Read
L2 · Developing

Detected a persistence verb, but classified “quitters never win” as a borrowed phrase, not first-person evidence.

Beat 02 · Your Call — Pick The Level You Hear
Beat 04 · Next Cycle — A Twin Case Arrives
Ishaan
Grade 10 · Voice Prompt: The 10,000 Hours Rule

“My grandpa always tells me slow is smooth, and honestly he’s right. When my science fair project kept failing, I rebuilt it three times until it worked.”

The Retrained Model's Read
L3 · Present

Same pattern — a borrowed phrase carrying lived persistence — now credited correctly, because a human corrected it.

Human ↔ Model · Agreement Restored
Students in conversation around a classroom table — one speaking, the others listening
Every number begins with something
a student actually said.
Imagery illustrative

Disagreement Is A Feature.

A system that never disagrees with itself is a system nobody is checking. Every divergence is surfaced, resolved by a human, and turned into training data.

Authority Flows One Direction.

Rubrics define the skill. Humans apply the rubric. The model is trained on their judgment and overruled by it — every time, by design.

0.89
Human–Model κ

Experts agree with each other at κ 0.87 — the model sits inside the human range.

98.0%
Adjacent Agreement

Within one rubric level of the expert, on responses the model has never seen.

77.3%
Exact Agreement

Identical to the expert. Everything further apart is overruled by a human.

Source · Published model reliability data · impacterpathway.com/model-card

Draft v2 · IAA Page + Faces