Answering Data Questions (AQA A-Level Biology): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
ShowHide
Practise the cards
10 cards from this deck
Skills assessed by data questions
Skills assessed by data questions
Interpret, analyse, evaluate
Focus when describing graphs
Focus when describing graphs
Overall trend/pattern, not individual points
What to look for in A-Level graph gradients
What to look for in A-Level graph gradients
Gradient changes (rate of change varies)
Correlation vs causation rule
Correlation vs causation rule
Correlation doesn't imply causation
Effect of larger sample sizes
Effect of larger sample sizes
Reduce influence of outliers, more reliable results
Variables changed in good experimental design
Variables changed in good experimental design
Only one independent variable at a time
Control group treatment requirement
Control group treatment requirement
Identical except for one tested factor
What standard deviation shows
What standard deviation shows
Spread of data around the mean; higher SD = greater variability
Drug dosing method in investigations
Drug dosing method in investigations
Per kilogram of body mass
Why show working in calculations
Why show working in calculations
Earn method marks even with wrong answer