Science Inquiry Skills
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9 Terms
Accuracy
The ability to obtain correct measurements by minimising systematic errors.
Validity
Whether or not an investigation is testing the set hypothesis and aims to collect relevant data.
Reliability
The idea that if the experiment is repeated many times, the results will be constant
Precision
The ability to consistently obtain the same measurement by minimising random errors.
Bias
A form of systematic error resulting from a researcher’s personal preferences or motives.
Random error
An inconsistent error in measurement readings caused by chance factors, that can be above or below the true value.
What is a systematic error?
A consistent inaccuracy in measurements caused by faulty equipment, environmental factors or flawed procedures.
Trend
A visible pattern or relationship between independent and dependent variables.
What to look for when identifying limitations of an experiment
Evaluate method for issues affecting validity, precision, reliability or accuracy, sources of systematic or random error.
