A transport safety board is investigating the reaction times of train drivers to emergency signals. They are comparing two data collection methods: using a desktop-based simulator in a quiet testing lab, and using eye-tracking sensors on drivers during actual scheduled passenger journeys.
Explain what is meant by:
the reliability of these measurement methods,
the ecological validity of this investigation.
689 exam-style questions on AQA A Level Psychology Scientific processes. Each one has a worked solution and a mark scheme showing where the marks go.