How to Design and Conduct a Scientific Investigation (Unit 1) (VCE SSCE Biology): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
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Practise the cards
10 cards from this deck
Primary data
Primary data
Data you collect directly through your own investigation
Independent variable (IV)
Independent variable (IV)
The factor you deliberately change or manipulate
Dependent variable (DV)
Dependent variable (DV)
The factor you measure or observe
Controlled variables
Controlled variables
Factors kept constant to ensure fair testing
Hypothesis
Hypothesis
Testable statement predicting how IV affects DV
Accuracy
Accuracy
How close results are to the true value
Precision
Precision
How close results are to each other across repeats
Systematic errors
Systematic errors
Consistent errors affecting accuracy (faulty equipment)
Random errors
Random errors
Unpredictable variations affecting precision
Quantitative data
Quantitative data
Numerical measurements involving counts, units, quantities