Respuesta :
Answer:
Researchers typically use random assignment.
Explanation:
Random assignment is when a researcher uses chance to make sure all participants have the same opportunity to be in either group during an experiment. It is used to decide in which group the now selected participants will be in.
An example of random assignment is the flip of a coin.
The thing which is used by researchers to maximize the likelihood that experimental and control groups are similar before any treatment has begun is:
- Random assignment.
According to the given question, we are asked to state the thing which is used by researchers to maximize the likelihood that experimental and control groups are similar before any treatment has begun.
As a result of this, we can see that when a random assignment is used by a researcher to make an experiment, he tries to increase the chance that the test subjects are similar to eliminate a skewed experiment result.
One common example of random assignment is the flipping of a coin to get either heads or tails
Read more about random assignment here:
https://brainly.com/question/6879984