What does a complete qualitative and quantitative data feedback loop look like, from instrumentation to optimisation?
Instrumentation can flag a change in behaviour; qualitative method can explain what it means. Experimentation and optimisation can test whether the response actually improved the system. The missing piece is a practical methodology that treats those as one loop rather than separate research, analytics, and CRO rituals.
Working theory: the loop is: instrument the behaviour, detect the anomaly, investigate the meaning, redesign the interaction, test the intervention, and feed the result back into the schema. Quantitative data narrows the search, and the qualitative work supplies the next question. Optimisation closes the loop by proving whether the answer held.