
Using Evidence to Strengthen Arguments
Year 11 Food & Nutrition Lesson 18: Theory Integrating Research into Written Responses

Learning Intentions
Integrate research evidence smoothly into written responses Reference research in clear, plain language Strengthen key arguments using supporting evidence Apply the Healthy Plate Model as supporting evidence

Starter: Spot the Difference
Compare these two examples: A: Fruit and vegetables are good for you. Studies show they improve mental health. B: Research published in Nutrients found that higher fruit and vegetable intake was associated with lower levels of depression and improved wellbeing scores. This suggests increasing daily intake may positively support Taha Hinengaro.

Step 1: Introduce the Evidence
Use simple phrases to introduce research: Research shows... A 2020 systematic review found... Studies indicate... Evidence suggests...

Step 2: Explain the Meaning
Do not stop at the statistic Explain what the research actually shows Help the reader understand the significance Connect the findings to real-world impact

Step 3: Link Back to the Argument
Connect evidence to your main points: Food choice and its impacts Hauora (holistic wellbeing) Long-term health outcomes Environmental sustainability

Teacher Modelling: Weak vs Strong
{"left":"WEAK: The Healthy Plate Model says to eat more vegetables.","right":"STRONG: The Healthy Plate Model recommends filling half the plate with vegetables and fruit. This supports increased fibre, vitamin and mineral intake, which research links to improved physical and mental wellbeing. Therefore, following this model may strengthen both Taha Tinana and Taha Hinengaro."}

The Healthy Plate Model as Evidence
½ plate vegetables and fruit ¼ whole grains ¼ lean protein Limited processed foods Water as main drink

Guided Practice: Transform Your Notes
Take one set of research notes from previous reading Turn dot-points into a structured paragraph that: • Introduces research • Explains what it shows • Links to hauora • Includes one evaluative phrase (however, although, depends on, while)

Discussion: Evidence in Action
How can the Healthy Plate Model be used as evidence for: Preventing lifestyle diseases? Supporting mental wellbeing? Environmental sustainability?

Independent Refinement
Review your current research notes and highlight: One argument that lacks evidence One argument that lacks explanation One argument that needs clearer linkage to hauora Rewrite one paragraph to strengthen it

Remember
Evidence does not speak for itself. You must interpret and connect it to make strong arguments.