MEASURED on 2026-08-08 on the 272 JATS XML articles of the internal corpus: 90/272 abstracts (33 %) explicitly name their design (randomized, double-blind, placebo-controlled, retrospective, cohort, case-control, cross-sectional, meta-analysis, in vitro/in vivo) — a single line that qualifies the whole article. Also observed on 2026-08-08 on Gomersall & Stuart, J. Neurol. Neurosurg. Psychiatry 1973: "a double-blind controlled clinical trial of crossover design was conducted in 26 volunteers".
Original note (fr)
MESURÉ le 08/08/2026 sur les 272 articles XML JATS de (internal corpus of 272 JATS articles) : 90/272 résumés (33 %) nomment explicitement leur dispositif (randomized, double-blind, placebo-controlled, retrospective, cohort, case-control, cross-sectional, meta-analysis, in vitro/in vivo) — une seule ligne qui qualifie tout l'article. Observé aussi le 08/08/2026 sur Gomersall & Stuart, J. Neurol. Neurosurg. Psychiatry 1973 : « a double-blind controlled clinical trial of crossover design was conducted in 26 volunteers ».