Answered

When deciding which variable to block by in an experiment, the researcher should be most concerned with...

A. mimicking previous studies.
B. randomly selecting the variable to block by.
C. reducing variability in the response.



Answer :

GinnyAnswer

Final answer:

Blocking in experiments helps reduce variability in the response by grouping units with common characteristics.


Explanation:

Blocking is a technique used in experiments to group experimental units with common characteristics. It helps in reducing variability in the response by accounting for external influences. By blocking, variation due to environmental factors can be estimated and controlled, leading to more precise results.


Learn more about Experimental Design here:

https://brainly.com/question/51377968