Individual skill
gcb-study-design
Use when designing the study behind a Global Change Biology (GCB) manuscript — manipulative experiments, observational/gradient studies, or process modelling of biological responses to global change. GCB reviewers probe scale, replication, realism, and causal inference. Guides design choices; it does not collect or simulate data.
Global-Change-Biology-Skills/skills/gcb-study-design/SKILL.md
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# Study Design (gcb-study-design)
GCB reviewers are experts in **ecology, biogeochemistry, and ecosystem/Earth-system modelling**. They
will probe whether the design can actually support a **driver → biological-response** claim at the
stated scale. This skill covers design choices and their tradeoffs; analysis lives in
`gcb-data-analysis`.
## When to trigger
- Designing a warming / eCO2 / drought / N-addition experiment or a gradient/observational study
- Setting up a process-model or species-distribution-model experiment (Technical Advance or analysis)
- Justifying scale, replication, controls, and the realism of the manipulation
- A reviewer questioned confounding, pseudoreplication, or extrapolation
