A skill your agent uses when designing studies for a Journal of Educational Psychology manuscript so they meet the journal's standards for educational settings — nesting (students in…

MITAuto-check passedResearch & Science

Install Jedpsych Study Design

skills CLI
$ npx skills add brycewang-stanford/Awesome-Journal-Skills --skill jedpsych-study-design -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install brycewang-stanford/Awesome-Journal-Skills jedpsych-study-design --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/brycewang-stanford/Awesome-Journal-Skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/Journal-of-Educational-Psychology-Skills/skills/jedpsych-study-design .claude/skills/jedpsych-study-design && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
jedpsych-study-design
GitHub stars
1.2k
Token cost
~2k tokens
SKILL.md length
737 words
Files
1
Skills in repo
2,387
Repo updated
First seen
Licence
MIT

At a glance

A skill your agent uses when designing studies for a Journal of Educational Psychology manuscript so they meet the journal's standards for educational settings — nesting (students in…

  • Works in 6 steps: Match the level: randomization, power,… → Cluster-level sample-size justification.… → Measure learning constructs well. Use… → …
  • Cluster-level power
  • SKILL.md covers When to trigger, Design standards, Quasi-experimental and… and Cluster-level sample-size…, plus 6 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Jedpsych Study Design is an agent skill from brycewang-stanford/Awesome-Journal-Skills. Use when designing studies for a Journal of Educational Psychology manuscript so they meet the journal's standards for educational settings — nesting (students in classes/schools), cluster-level power, measurement of learning constructs, ecological validity, and preregistration where appropriate. Strengthens the design and pre-analysis plan; it does not write code.

Its SKILL.md is about 2k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Research & Science, covering Experimental design. The repository describes itself as: Journal-specific Claude Code/Codex skill packs covering mainstream journals — AER, QJE, Nature, Cell, 管理世界, 经济研究 & 200+ more — your fast track to getting published. | 覆盖主流期刊的… The licence is MIT.

When your agent uses it

  • Cluster-level power
  • Measurement of learning constructs
  • Ecological validity
  • Preregistration where appropriate

Example prompts

  • “/jedpsych-study-design”

Workflow steps

6 steps, taken from the first numbered list in SKILL.md.

  1. Match the level: randomization, power, analysis. If you randomize classrooms or schools, the
  2. Cluster-level sample-size justification. Provide an explicit basis for the number of clusters and
  3. Measure learning constructs well. Use validated outcome measures of the learning/motivation
  4. Baseline equivalence and confounds. With cluster randomization (or quasi-experiments), report
  5. Ecological validity. Argue that the setting, task, and delivery (teacher- vs researcher-delivered)
  6. Control researcher degrees of freedom. Decide in advance: conditions, the full measure set,

What it can do on your machine

Read from SKILL.md and the folder at commit 932eb23. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Jedpsych Study Design loads about 2k tokens when it runs. Until then it costs about 97 tokens; SKILL.md has 737 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~97
When it runs · the whole SKILL.md, loaded when a task matches
~2k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from brycewang-stanford/Awesome-Journal-Skills at commit 932eb23, republished under its MIT licence (© brycewang-stanford). 737 words, ~1,981 tokens.

Download SKILL.mdSave it as .claude/skills/jedpsych-study-design/SKILL.md (or your agent's skills folder).
name
jedpsych-study-design
description
Use when designing studies for a Journal of Educational Psychology manuscript so they meet the journal's standards for educational settings — nesting (students in classes/schools), cluster-level power, measurement of learning constructs, ecological validity, and preregistration where appropriate. Strengthens the design and pre-analysis plan; it does not write code.

Study Design (jedpsych-study-design)

The Journal of Educational Psychology expects designs that are adequately powered for their nesting structure, measure learning constructs well, and have ecological validity for real educational settings. Because JEP studies are usually students nested in classes nested in schools, the single most consequential design decision is matching the unit of randomization, power, and analysis to the level at which the treatment and mechanism operate. This skill hardens the design before data collection.

When to trigger

  • Planning a classroom/school study, field trial, or longitudinal study
  • Writing a preregistration / pre-analysis plan for a prospective trial
  • A reviewer questioned nesting, clustering, power, measurement, or ecological validity
  • Justifying sample size at the right level

Design standards

  1. Match the level: randomization, power, analysis. If you randomize classrooms or schools, the experiment's effective N is the number of clusters, not students. Power at the cluster level using the intraclass correlation (ICC) and number/size of clusters; plan the matching multilevel analysis up front (see jedpsych-data-analysis).
  2. Cluster-level sample-size justification. Provide an explicit basis for the number of clusters and their size — a power analysis for the smallest educationally meaningful effect, given the ICC and a pretest covariate that absorbs cluster variance. State the assumed effect size and its source.
  3. Measure learning constructs well. Use validated outcome measures of the learning/motivation construct; justify their reliability and that they capture transfer/learning, not just teaching to the test. Pre/post designs should plan for measurement at the right grain.
  4. Baseline equivalence and confounds. With cluster randomization (or quasi-experiments), report baseline equivalence on covariates; address selection, attrition, contamination across conditions, and teacher/implementation fidelity.
  5. Ecological validity. Argue that the setting, task, and delivery (teacher- vs researcher-delivered) support the educational claim; a stripped lab analog weakens fit at JEP.
  6. Control researcher degrees of freedom. Decide in advance: conditions, the full measure set, exclusion/attrition rules, covariates, and the model. Preregistration is encouraged here.

Quasi-experimental and longitudinal designs

  • For quasi-experiments, plan a credible counterfactual (matching, regression adjustment, difference-in- differences, or RD where assignment is on a cutoff) and state the identifying assumption. For longitudinal/growth designs, plan the timing, attrition handling, and the growth model in advance.

Cluster-level sample-size justification — worked example (illustrative)

For a teacher-delivered reading-comprehension trial, justify the number of classrooms before recruiting, tied to the smallest educationally meaningful effect — not a round student count.

Smallest meaningful effect: d = 0.20 (a defensible learning gain for a
            classroom literacy intervention).
Nesting:    students nested in classrooms; assumed ICC = 0.15; ~23 students
            per classroom; pretest covariate (r ≈ .6) absorbs cluster variance.
Power:      target 80% power, two-sided alpha .05 → ~48 classrooms
            (24 per arm), ~1,100 students; design effect handled via the ICC,
            not by counting students as independent.
Stopping:   fixed number of clusters; no optional addition of schools.
Covariate:  baseline comprehension at student and classroom level.

State the assumed effect size and its source (prior trial, meta-analytic estimate, or a smallest- meaningful-effect argument). Powering on an inflated lab effect, or on student N alone, is the classic JEP design failure.

Show full SKILL.md (315 more words)Show less

Pre-data lockdown checklist

Degree of freedomLock before data?Where it lives
Hypotheses + direction (at the right level)yespreregistration / analysis plan
Unit of randomization + number of clustersyespreregistration
Full measure list (all outcomes)yespreregistration (prevents cherry-picking)
Exclusion / attrition rulesyespreregistration, with expected attrition
Covariates + multilevel model formyesanalysis plan
Fidelity / implementation measuresyesprotocol
Exploratory analysesallowed, but labeledreported separately, post hoc

Design-stage reviewer pushback and the venue fix

  • "Powered at the student level" → re-power at the cluster level using the ICC; report the number of clusters as the effective N.
  • "No baseline equivalence" → report covariate balance across arms; adjust for pretest in the model.
  • "Outcome measures teaching-to-the-test" → use a transfer/learning measure and justify its validity.
  • "Researcher-delivered, so no classroom claim" → move to teacher delivery or scope the claim; argue ecological validity.
  • "Flexible exclusions / attrition" → preregister rules; report results with and without (handoff to jedpsych-data-analysis).

Execution bridge (StatsPAI / Stata MCP)

Estimate and audit the design, don't only describe it. Full map: execution-with-mcp. JEdPsych mixes field/lab experiments and observational school data; multilevel (student-in-class-in-school) inference and many-outcome corrections matter most.

  • detect_design → recommend → fit with as_handle=true → audit_result.
  • Observational causal claims: staggered DiD (callaway_santanna / sun_abraham + bacon_decomposition + honest_did_from_result); IV (effective_f_test + anderson_rubin_ci); RDD (rdrobust + mccrary_test).
  • Experiments: randomization-based inference, romano_wolf for many-outcome family-wise control, and mediate for mediation (not naive controlling-away).
  • Sensitivity: oster_delta / sensemakr for observational claims.

Report the effect size in interpretable units; route the full battery to the appendix/supplement. A run end-to-end (synthetic data, real returns) is in the JF execution walkthrough.

Anti-patterns

  • Powering and analyzing as if nested students were independent
  • A round student-N target with no cluster-level justification
  • Outcome measures that capture test coaching rather than learning
  • Ignoring implementation fidelity and contamination across conditions
  • A lab-only analog presented as evidence about classrooms

Output format

【Unit】randomization / power / analysis level (matched?) [Y/N]
【Sample size】# clusters + size + ICC + smallest meaningful effect
【Measures】validated learning outcome + reliability + transfer? [Y/N]
【Baseline + confounds】equivalence, attrition, fidelity addressed?
【Ecological validity】setting / delivery supports the educational claim?
【Preregistration】confirmatory core locked? where?
【Next】jedpsych-data-analysis

Supplementary resources

© brycewang-stanford, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in Journal-of-Educational-Psychology-Skills/skills/jedpsych-study-design of brycewang-stanford/Awesome-Journal-Skills.

Open the folder on GitHubat commit 932eb23

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Questions about Jedpsych Study Design

What does Jedpsych Study Design do?

A skill your agent uses when designing studies for a Journal of Educational Psychology manuscript so they meet the journal's standards for educational settings — nesting (students in…. Jedpsych Study Design is an agent skill from brycewang-stanford/Awesome-Journal-Skills. Use when designing studies for a Journal of Educational Psychology manuscript so they meet the journal's standards for educational settings — nesting (students in classes/schools), cluster-level power, measurement of learning constructs, ecological validity, and preregistration where appropriate.

When should I use Jedpsych Study Design?

Jedpsych Study Design fits situations like: cluster-level power; measurement of learning constructs; ecological validity; preregistration where appropriate.

How do I install Jedpsych Study Design in Claude Code?

Run `npx skills add brycewang-stanford/Awesome-Journal-Skills --skill jedpsych-study-design -a claude-code`. Or copy the skill folder (Journal-of-Educational-Psychology-Skills/skills/jedpsych-study-design in brycewang-stanford/Awesome-Journal-Skills) into .claude/skills/jedpsych-study-design in your project. Claude Code loads it when a task matches its description.

How do I install Jedpsych Study Design in Codex?

Run `npx skills add brycewang-stanford/Awesome-Journal-Skills --skill jedpsych-study-design -a codex`. Or copy the skill folder (Journal-of-Educational-Psychology-Skills/skills/jedpsych-study-design in brycewang-stanford/Awesome-Journal-Skills) into .agents/skills/jedpsych-study-design in your project. Codex loads it when a task matches its description.

Can I use Jedpsych Study Design in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add brycewang-stanford/Awesome-Journal-Skills --skill jedpsych-study-design -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/jedpsych-study-design, .gemini/skills/jedpsych-study-design, .github/skills/jedpsych-study-design and .opencode/skills/jedpsych-study-design in your project.

What does Jedpsych Study Design need to run?

SKILL.md names no scripts, command-line tools or credentials: Jedpsych Study Design is instructions for the agent only.

Does Jedpsych Study Design access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Jedpsych Study Design safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Jedpsych Study Design use?

Jedpsych Study Design is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Jedpsych Study Design use?

About 2k tokens (SKILL.md is roughly 7.9k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Jedpsych Study Design?

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Who maintains Jedpsych Study Design?

brycewang-stanford (a GitHub user) maintains it in brycewang-stanford/Awesome-Journal-Skills, which has 1,231 GitHub stars. The repository holds 2,387 skills in this directory. The repository was last updated on September 27, 2026.

Source: brycewang-stanford/Awesome-Journal-Skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.