B.
To urgently explain that Pearson's correlation coefficient only measures linear association, and a non-linear relationship might be missed or misinterpreted. ✓
B.
To urgently explain that while statistically significant, the absolute increase is only 5 percentage points, which might be less impressive than the relative increase, and to frame findings transparently. ✓
C.
To ignore the absolute difference. ✓
D.
To assume all significant findings are large. ✓
B.
To urgently advise that an unvalidated instrument can lead to unreliable and invalid data, compromising the study's conclusions, and to recommend using a validated tool. ✓
A.
To immediately celebrate the program's success. ✓
B.
To urgently explain that this is a misleading metric and that a proper comparison with unvaccinated individuals or a calculation of vaccine effectiveness is critically needed. ✓