Drawing Conclusions & Evaluating (AQA A-Level Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What makes a conclusion valid in scientific investigation?
What makes a conclusion valid in scientific investigation?
Based on reliable data & proper method
What type of correlation exists when both variables increase together?
What type of correlation exists when both variables increase together?
Positive correlation
As study time increases, exam errors decrease. What correlation is this?
As study time increases, exam errors decrease. What correlation is this?
Negative correlation
Why must we be careful when interpreting correlations?
Why must we be careful when interpreting correlations?
Correlation does not prove causation
When can a causal relationship be concluded?
When can a causal relationship be concluded?
When all other variables are controlled
Calculate % error: 50 cm³ measured with ±0.05 cm³ uncertainty. Use
Calculate % error: 50 cm³ measured with ±0.05 cm³ uncertainty. Use
0.1%
How does measuring larger quantities reduce percentage uncertainty?
How does measuring larger quantities reduce percentage uncertainty?
Uncertainty constant, measurement doubles
What is repeatability in experimental work?
What is repeatability in experimental work?
Similar results in identical conditions
What is reproducibility in experimental work?
What is reproducibility in experimental work?
Other scientists get comparable results
What allows higher confidence in experimental conclusions?
What allows higher confidence in experimental conclusions?
Repeatable, reproducible, valid results