Many environmental factors can influence people's consumption habits, including the design, scale, and shape of tableware. For example, some psychological research suggests that visual illusions can bias how much liquid people pour and drink, leading them to consume different volumes depending on whether a vessel is tall and narrow or short and wide. To investigate this further, researchers want to use the experimental method to study the effect of glass shape on the volume of water consumed during a tasks-based session.
Explain how you would conduct a study using the experimental method to investigate if there is a difference in the volume of water people drink from a tall, narrow glass compared to a short, wide glass. Justify your decisions as part of your explanation. You must refer to:
You should use your own experience of practical activities to inform your response.
