What is the primary focus of boundary value analysis?

The primary focus of boundary value analysis is to test at the boundaries between partitions in order to find defects. This testing technique is based on the premise that errors are more likely to occur at the edges of input ranges rather than in the middle. By specifically targeting values that are at or near these boundaries—such as minimum and maximum values, just above and just below these limits—testers can effectively uncover issues that may not be apparent during testing of values that lie within the standard operational range.

Incorporating boundary value analysis into testing helps ensure that the software behaves as expected across critical points where errors can occur due to input value discrepancies. This method is particularly useful in software testing because it efficiently identifies potential bugs that might be linked to input validation, data processing, and other boundary-related conditions.

The other options do not encapsulate the primary focus of boundary value analysis. While testing under normal operational conditions, identifying performance benchmarks, and ensuring compliance with requirements are essential aspects of software testing, they do not specifically relate to the strategy of probing boundary conditions to catch defects.