Castilla-La Mancha PAU General Sciences (Ciencias Generales - UCLM 2026) Practice Questions - Castilla-La Mancha PAU General Sciences (Ciencias Generales - UCLM 2026) Exam

To serve as an unexposed baseline to isolate the effect of the independent variable. To increase the total sample size to ensure that the experiment is always statistically significant. To demonstrate in advance that the researcher's hypothesis is correct. To eliminate the need to measure the dependent variable during data collection.