Independent research proposalNot government policy, legal advice or an official immigration service.
Research control

Methodology and evaluation matrix

A structured method for assessing intended outcomes, evidence, adverse effects, safeguards and disconfirming results.

Independent proposal: this is not government policy, legal advice or an official immigration service. Current law and official guidance take precedence.
01

Evaluation matrix

How each proposal should be tested

ControlRequired question
PurposeWhat defined problem or outcome is the proposal intended to address?
EvidenceWhich primary, official or academic sources support the mechanism?
Alternative explanationWhat other factors could produce the same observed outcome?
Adverse effectsWho could be harmed, excluded, deterred or treated unfairly?
SafeguardsWhat legal, ethical, privacy and review protections are required?
MeasurementWhich defined indicators and comparison conditions would show improvement?
DisconfirmationWhat result would weaken, reject or require revision of the proposal?