Problem 125 of 7
Decide what additional evidence would strengthen causal claim walking more causes lower blood pressure.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
suggest experiment, randomization, control, or longitudinal evidence.
Hidden until you reveal it.
Claim must need stronger design evidence for causality.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Identify the causal claim and possible confounders.
2. Choose evidence that controls or balances confounders.
3. Prefer randomized experiments when ethical and practical.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Asking only for a stronger correlation.