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08 · Author synthesis

Engineering Productivity

DORA + DevEx + SPACE — three lenses, one picture
Three lenses on engineering productivityDORA + DevEx + SPACEGOAL → SIGNAL → METRICDORADELIVERY OUTCOMESlead time · deploy frequencyfail rate · recoveryreworkDevExEXPERIENCE SIGNALSflow · feedback loopscognitive loadSPACEMULTIDIMENSIONAL CONTEXTsatisfaction · performanceactivity · collaborationefficiency · flowONE ENGINEERING SYSTEMone object · three distinct readingsmetric → target = distorted signal · read all three

DORA, DevEx, and SPACE are complementary lenses rather than interchangeable metric sets or literal overlapping sets. DORA reads delivery through the current five metrics: change lead time, deployment frequency, failed deployment recovery time, change fail rate, and deployment rework rate.

DevEx examines feedback loops, cognitive load, and flow state. SPACE adds Satisfaction and well-being, Performance, Activity, Communication and collaboration, and Efficiency and flow. No single lens answers whether a team is productive.

Goal → Signal → Metric helps teams choose measures rather than merely sort existing ones. Goodhart's law means that when a metric becomes a target, it stops being a reliable measure, so validate proxies against outcomes and the context supplied by the other lenses.

How to use this model
01

Start with a goal: define Goal → Signal → Metric instead of selecting a convenient dashboard counter.

02

Cross-check the system through DORA, DevEx, and SPACE, and label proxies versus outcomes.

03

When a metric becomes a target, validate it with other signals and all three lenses.

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