The name which is given to the type of research where a researcher compares multiple segments of the population at the same time is:
Cross-sectional research
This refers to the type of research where there are series of observations about data from a population which is not considered a determinative research.
With this in mind, we can see that the correct answer is cross sectional research.
Read more about cross-sectional research here:
https://brainly.com/question/10879218
