NSEB topic read · 2 min
Read VO₂max Without Overclaiming Correlation
VO₂max matters for endurance, but an elite subgroup can still vary widely in race performance.
NSEB · Respiratory Physiology · 1 linked question · 100% coverage
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Exercise Physiology is the central idea in this question pattern. Identify the condition in the stem before applying the method below.
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Read the subgroup, then the threshold
For elite runners,
r = 0.01 means equal VO₂max values can accompany very different marathon velocities
The plotted runners below 2 h 30 min are above about 65 ml kg⁻¹ min⁻¹, but the graph does not show a high within-group correlation. Choose A and C.
OlympIQ exam lens
- ✓Read the correlation for the stated subgroup.
- ✓Use graph thresholds without turning them into causal claims.
OlympIQ trap
A strong all-runner trend need not persist inside an elite subgroup.
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