European Baccalaureate Science, Technology And Society (STS) Practice Questions - European Baccalaureate Science, Technology And Society (STS) Exam

What core methodology differentiates a randomized controlled trial (RCT) from an observational cohort study?

Random allocation of participants to control and intervention groups to minimize confounding variables. Reliance on self-reported subjective surveys rather than objective physical measurements. Exclusion of control groups to maximize sample size in experimental trials. Longitudinal observation of natural populations without any researcher intervention.

Correct Answer:

Random allocation of participants to control and intervention groups to minimize confounding variables.

Access more questions from this quiz

Continue to European Baccalaureate Science, Technology and Society (STS) Practice Questions - European Baccalaureate Science, Technology and Society (STS) Exam for more practice questions and the full quiz experience.

Access More Questions