再現性

• Reading: さいげんせい
• Romaji: saigensei
• Kanji breakdown: 再 (sai) — again, re- | 現 (gen) — appear, manifest | 性 (sei) — nature, property
• Pronunciation: /sa.i.ɡe.n.se.i/

Meaning

Reproducibility; replicability. The ability of an experiment or result to be reproduced under the same conditions.

A compound noun central to scientific methodology. 再現性が高い means 'highly reproducible' and 再現性が低い means 'poorly reproducible'. The replication crisis in psychology and medicine has made 再現性 a prominent term in academic discourse about research integrity.

Examples

1. この実験は再現性が低く、同じ結果を再び得ることができなかった。 This experiment had low reproducibility, and the same results could not be obtained again.
2. 科学的な発見には再現性が不可欠であり、検証されなければ認められない。 Reproducibility is essential for scientific findings, and they cannot be accepted unless verified.
3. 研究チームはデータの再現性を確認するため、独立した機関での追試を依頼した。 The research team requested independent replication at a separate institution to confirm the reproducibility of their data.

Usage Guide

Context: academic research, scientific methodology, peer review

Tone: analytical

Origin & History

Compound of 再 (sai) meaning 'again, re-' and 現 (gen) meaning 'appear, manifest' and 性 (sei) meaning 'nature, property'. Literally 'the nature of appearing again'.

Cultural Context

Era: Modern

Generation: Researchers and academics

Social background: Academic