Statistical claims and study design
Probability and inference · Stage 4
Recognize the pattern
Random assignment supports causal inference; random sampling supports population generalization.
Useful ruleRandom sampling supports generalization; random assignment supports causation
Build on: PSD-11
Try it before reading the solution
Participants are randomly assigned to a treatment or control group. What claim does this design support?
This teaching example is original and is not an official SAT question.
Reasoning
Assignment balances other factors between groups on average.
AnswerA causal comparison of the treatment groups
03 · Next step
See membership →Ready for adaptive practice
Practice questions remain in English, as on the SAT.