Answer: A) Standardization
Step-by-step explanation:
Standardization is defined as the process through which standards and guidelines are set for any process or task to take place.These established norms are the base through which tool assessment is done through testing ,comparison and evaluation to know about performance and consistency of tool.
Other options are incorrect because reliability describes dependency, predictive validity and face validity are used for defining validity of the tool in terms of prediction and efficiency .Thus,the correct option is option(A).