translate English to French: The overall rating is based on the following three general concerns: 1) the study’s ability to control extraneous variables; 2) the expected amount of measurement error; and 3) statistical power.
La cote générale repose sur trois aspects importants : 1) la capacité de l’étude de limiter les variables parasites; 2) la marge d’erreur de mesure prévue; 3) l’efficacité statistique.