Handbook of Organization Measurement

Grit

construct.grit

perseverance and sustained passion toward long-term goals

§1The Principia rendering

A copyright-clean measure of this construct, authored by Principia and free to use — the one we can show in full.

Principia CC — GritCC0-1.0Owned · shown in full

I stay committed to my goals, even when things get tough.

I often give up on tasks when they become too difficult.reverse-keyed

I am willing to put in time to achieve something I care about.

I lose interest in my goals after a while.reverse-keyed

I work hard to improve my skills over time.

I find it easy to abandon projects that are not immediately rewarding.reverse-keyed

I push through obstacles to reach my long-term dreams.

I feel discouraged when I face setbacks in my efforts.reverse-keyed

I keep pursuing my goals despite challenges that arise.

I often change my mind about what I want to achieve.reverse-keyed

Response: 1 Strongly disagree · … · 5 Strongly agree

Predicted psychometrics. These 10 items carry a design grade of A (avg design score 97/100) from the item-design model — an estimate pending calibration, not a measured reliability. Real responses (via deployment) sharpen it toward measured, which is what the licensing model collects.

§2The established instruments

What the field already uses — named and cited, not reproduced (item wording is copyrighted and withheld pending clearance).

Short Grit Scale (Grit-S) — Duckworth & Quinn

§3The math on what we know

Synthesized priors from the live registry: pooled r, studies (k), total N, top study grade, and heterogeneity. Rows flagged for heterogeneity or single-study evidence are directional, not settled — read them as a central tendency.

What grit predicts

Outcome	r	k	N	Grade	Confidence
Overall Job Performance	+0.21	1	4,116	A	single study
Task Performance	+0.18	1	13,141	A	single study