Accuracy of operative time prediction in endometriosis surgery: results of a prospective randomized multicenter pilot study.

Despite the wide availability of instruments for assessing child development, their internal structure is often not subjected to robust psychometric analyses. The (FOIDI), used in Brazil’s , had not been formally validated. Provides the first national evidence of the configural and metric validity of the FOIDI, analysing more than 180 000 assessments of Brazilian children aged 0–36 months.