Scrum states a short list of things the Developers are always accountable for, whatever the domain of work. Which THREE of these are on it?

Professional Scrum Master I, objective 1. Understanding and applying the Scrum framework medium

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The options

Choose 3.

Correct Creating a plan for the Sprint, the Sprint Backlog

Correct. The Sprint Backlog is the Developers' plan, created by them and updated by them, which is why nobody else may hand it over ready-made.

Correct Instilling quality by adhering to a Definition of Done

Correct. Quality is not a phase or a separate team's job in Scrum: the Developers are required to conform to the Definition of Done, every Sprint.

Correct Adapting their plan each day toward the Sprint Goal

Correct. This is what the Daily Scrum exists to serve, and it is why the plan is expected to change during the Sprint rather than after it.

Not correct Ordering the Product Backlog so that the most valuable work is at the top

Wrong. Ordering Product Backlog items is one of the four things Scrum places with the Product Owner. Developers influence it by explaining cost and trade-offs, not by re-ordering it.

Not correct Ensuring that every Sprint Review ends with an Increment released to customers

Wrong. An Increment may be released before the Sprint Review or after it, and the Sprint Review is never a gate to releasing value. Whether to release is a value decision, and value decisions belong to the Product Owner.

Why

The list has a fourth entry worth knowing even though it is not offered here — holding each other accountable as professionals — and its presence tells you what kind of list this is. Every item is about how the Developers govern their own work: their plan, their quality bar, their daily adaptation, their conduct with each other. Anything about what the product should do next belongs to the Product Owner instead.

Where this comes from

Cited
Scrum Guide section Developers
What it says
Developers are the people in the Scrum Team that are committed to creating any aspect of a usable Increment each Sprint.

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