A practical learning tool
Measurement diagnosis lab
Read a small report and separate a calculation from a causal claim.
Measurement diagnosis · Synthetic data
A report needs context.
Period A: 1,000 search clicks, 40 recorded enquiries.
Period B: 1,200 search clicks, 30 recorded enquiries.
A form release and a tracking change happened between the periods. Lead quality and enquiry handling are not known.