Question

fill in the blank 1 point video 2: correlation is not causation - part 2 the only scientific methodology that allows researchers to make causal conclusions is by designing and conducting a scientific type your answer...

Explanation:

In research, the only methodology that enables causal conclusions is an experiment (specifically a controlled experiment or randomized controlled trial). Experiments involve manipulating an independent variable and observing the effect on a dependent variable while controlling for confounding factors, which allows for causal inferences.

Answer:

experiment