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調査データ解析、研究自動化、論文成果物に関するプロダクト記事をお届けします。
Case-Control Study: Design, Matching, and Odds Ratios
How a case-control study works, how to choose and match controls, why the odds ratio is the measure, plus a worked 2×2 example with 95% CI.
Content Validity: How to Calculate CVI and CVR
Learn how to assess content validity with an expert panel: I-CVI, S-CVI/Ave, S-CVI/UA, and Lawshe's CVR, with a worked example and APA reporting.
Convergent and Discriminant Validity: AVE, CR, HTMT
How to test convergent validity (AVE, CR) and discriminant validity (Fornell–Larcker, HTMT), with a worked example from standardized loadings and APA wording.
Cover Letter for Journal Submission: Template + Tips
How to write a cover letter for journal submission: structure, a copyable template, an example, and a checklist of statements editors expect.
Cox Regression: The Proportional Hazards Model Explained
How Cox proportional hazards regression works, how to check the PH assumption, read hazard ratios, and report a Cox model in APA 7 or clinical style.
Desk Rejection: Common Reasons and What to Do Next
What a desk rejection is, the most common reasons editors reject without review, how to lower your risk, and what to do after one.