most reliable and valid

Question

Which of the following pieces of evidence would be considered the most reliable and valid?(1 point)

1. data collected from a controlled experiment that has been reproduced in several different labs
2. data reported by a world-renowned expert that cannot be reproduced in a different lab
3. data from a single observation of an event that has not been witnessed again
4. data collected from a thousand individuals that cannot be reproduced under different circumstances

Answer 1

Data collected from a controlled experiment that has been reproduced in several different labs

This is the correct answer because the goal of an experiment is to make it reproducible which in turn makes it reliable and valid.