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Reinforcement learning

Term Key terms bank Y12 Software Automation

Definition

The model learns by trial and error, receiving rewards or penalties for its actions in an environment, to maximise reward.

Example: A robot learns to walk by being rewarded.

Found in: syllabus, sample exam and familiarisation guidelines, school notes.

Short version to memorise (key terms bank)

Learn from rewards and penalties.

Where it is used in the test

Syllabus area: Y12 Software Automation.

Question types it can appear in

Where it has appeared in the paper

Software Automation (Part A). Part letters follow each paper’s own layout.

Related past questions

These are the questions the flashcard set links to this term. Open each one and compare your answer with its marking criteria.

Study links

How to use it in an answer

A model sentence

General advice, built from the definition and example above

“The model learns by trial and error, receiving rewards or penalties for its actions in an environment, to maximise reward.” Then apply it: A robot learns to walk by being rewarded.

In a short answer, give the definition in your own words first, then tie it to the situation in the question. Do not copy the example above unless it fits the scenario.

Command words used with it

From the linked past questions
  • Identify: Recognise and name. (2025 HSC Q3 (1 mark): Machine learning training)

Technique for the question types

Common mistakes

General advice
  • Use the term exactly as the syllabus words it, then link it to the scenario in the question; the 2025 feedback repeatedly rewards using the stimulus.
  • Answer the command word: outline gives main points only, explain gives a reason or cause, discuss gives both sides.

Same group in the syllabus: Supervised learning · Unsupervised learning · Semi-supervised learning · Training data and test data