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Statistical testing - Coggle Diagram
Statistical testing
A2
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Level of measurement
Ordinal: can order, rate subjectively, no equal intervals, unsfe, converted into ranks when testing e.g. 1st, 2nd
Interval: equal units, safe and parametric, measured and precise, most sophisticated
Nominal: categorical, discrete
A1
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Probability: 0.05 significance level (5%), 1% if drugs
Statistical testing determines whether a hypothesis should be accepted or rejected. Tells us whether variables relationships are statistically significant.
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