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devpsych-theory-and-hypotheses
Use when stating the developmental theory and age-graded hypotheses for a Developmental Psychology (APA) manuscript. The journal rewards hypotheses that are explicitly about change (age effects, within-person trajectories, mechanisms) and a clean confirmatory/exploratory split under JARS. Structures the argument; it does not run analyses.
Developmental-Psychology-Skills/skills/devpsych-theory-and-hypotheses/SKILL.md
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# Developmental Theory & Hypotheses (devpsych-theory-and-hypotheses)
Developmental Psychology rewards a **theory of change** and **age-graded, directional hypotheses**.
Because the journal asks for a credible developmental claim and applies **JARS** reporting, the cardinal
rule is: **state the developmental mechanism and the predicted form of change before the data**, and
label exploratory analyses as exploratory.
## When to trigger
- Writing the theoretical framing and hypotheses
- Preparing a preregistration / pre-analysis plan for a developmental study
- Reconciling what you predicted about change with what the trajectories show
- A reviewer flagged the work as "atheoretical," "not developmental," "post hoc," or "HARKed"
