DQ 1 :In your role as a public health nurse, what features or strategies would you implement when evaluating an intervention?

The first feature to name is timing, because it decides whether the rest is possible. An evaluation is designed alongside the intervention, not after it, and the reason is unrecoverable: the baseline measurement you did not take in week one cannot be reconstructed in week twelve. So the strategies worth listing start there — agree the outcome, agree how it will be measured, take the baseline, and only then start. After that, separate process evaluation from outcome evaluation and say why both are needed. Process evaluation asks whether the intervention was delivered as designed: how many sessions ran, how many people attended, whether the material was the material. Outcome evaluation asks whether anything changed. Without the first, a null outcome result is uninterpretable, because you cannot tell a failed intervention from one that was never really delivered. Everything else in an evaluation can be improvised late; the baseline cannot.

The features specific to population work are worth naming next, because they are where a public health evaluation differs from a clinical one. You rarely have a control group, so comparison usually comes from a pre-post design, a comparison community, or a time series that lets you see whether an existing trend simply continued. Your outcome may take years to move, so intermediate indicators — knowledge, screening uptake, referral completion — carry the evaluation in the meantime, and you should say which ones you would use. Equity belongs in the design rather than in the discussion: an intervention that improves the average while widening a gap has failed, and only disaggregated results reveal that. Finally, name who the evaluation is for. A funder, a health department and the community itself want different reports from the same data, and planning that at the start is a strategy rather than an afterthought.