One honest data set: twenty-four months of falls on Unit 4 East. In July the unit closed eight beds and started hourly rounding. Move the baseline, crop the range, drop the denominator, stretch the picture — and watch the same true numbers argue whatever you want. The meter on the right tells you exactly how large a lie you have built.
The four dials that do the damage
Every one of these is a decision someone makes in a hurry, with no intent to deceive.
Measure
Chart family
Ask the adversarial question. Before a visual leaves your desk: if I wanted to argue the opposite, what would I do to this chart? Extend the range? Add the denominator? Restore the zero baseline? Whatever you name, do it yourself and see whether your finding survives.
What you would put in the report
The headline this chart invites
1.0×
Honesty audit
Five questions a good reviewer asks of every chart before believing it.