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      Lesson details

      Learning outcome

      I can identify ethical issues and biases in AI-generated images and create images using AI tools.

      Key learning points

      1. The quality and level of detail in a text prompt directly affect the accuracy and style of the generated image.
      2. When generating images with AI, it is important to consider ethics and fair representation.
      3. Adding details such as style, setting and mood in a prompt helps you control and refine image outputs.

      Keywords

      • Image generator - an AI tool that produces pictures from a prompt using patterns it has identified in large collections of existing images

      • Style - the visual appearance of an image, such as realistic, cartoon, photographic or painted

      • Refine - to make small changes to something in order to improve its accuracy, quality or suitability

      Common misconception

      AI image generators create completely original artwork from scratch.

      AI image generators create new images by learning from and combining patterns found in millions of existing images. They don’t “imagine” or invent things like a human artist; they remix data they were trained on.

      Teacher tip

      Encourage students to look closely at AI-generated images for signs of bias or misrepresentation, such as missing diversity or inaccurate depictions of certain groups. Discuss how these issues can arise from the training data.

      Licence

      This content is © Oak National Academy Limited (2025), licensed on Open Government Licence version 3.0
      except where otherwise stated. See Oak's terms & conditions
      (Collection 2).

      Lesson video

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      Prior knowledge starter quiz

      6 Questions

      Q1.
      What is important for making a machine learning model accurate?

      using just a few examples
      guessing the answers
      using only test data
      Correct answer: using large, representative data

      Q2.
      Why do we use test data in machine learning?

      to confuse the computer
      to make data bigger
      Correct answer: to check how well the model works
      to make the model forget

      Q3.
      What does it mean if data is unrepresentative?

      Correct answer: It does not show the whole group.
      It includes too many examples.
      It is always fair.
      It is very colourful.

      Q4.
      What is it called when a model gives everyone the same chance?

      Correct Answer: fair

      Q5.
      Arrange these in the order they should happen:

      1 - use training data
      2 - use test data
      3 - measure accuracy
      4 - improve the model

      Q6.
      Match the word to its meaning:

      Correct Answer:unrepresentative,does not show the whole group
      Correct Answer:diverse,includes a wide range of examples
      Correct Answer:fair,treats everyone equally
      Correct Answer:bias,favouring one group over another

      6 Questions

      Q1.
      What do we call the instructions given to an image generator?

      Correct Answer: prompt

      Q2.
      Match the word to its meaning:

      Correct Answer:image generator,an AI tool that produces pictures from prompts
      Correct Answer:refine,make small changes to improve
      Correct Answer:style,the look or appearance of an image
      Correct Answer:fair,treats everyone equally

      Q3.
      If an image generator only uses pictures of one group, what might happen?

      Correct answer: The images could be biased.
      The images are always fair.
      The images are always colourful.
      The images are always slow.

      Q4.
      Arrange these in the order they happen when checking for fairness in AI images:

      1 - look at the image
      2 - check for bias
      3 - refine the prompt if needed
      4 - share the image

      Q5.
      What makes an image generator’s pictures different from a human artist’s?

      AI invents things from nothing.
      AI paints with brushes.
      Correct answer: AI uses patterns learnt from lots of images.
      AI sings while drawing.

      Q6.
      What is the word for how an image looks, such as cartoon or realistic?

      Correct Answer: style

      To help you plan your 10 computing lesson on: Understanding image generators, download all teaching resources for free and adapt to suit your pupils' needs...