informan security
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I believe when it comes to testing, it can be subdivided into three categories: White Box, Black Box, and Grey Box testing. White box testing is referred to internal testing, where the tester has an internal and clear understanding of the code. Some of the disadvantages is the cost, the rapidly changing code, and missed cases (Lee, 2017). While inside testing sounds like it would be cheaper, apparently it is more expensive to test from within due to being more thorough process. The main reason why White box testing can be easily validated with IT managers is also because White box testing only validates and test the features that are currently there. This means that if any features are partially implemented and/ or something is missing, this testing will not pick it up.
Internal validity is more scrutinized if testing is not done right. Basically, testing must be done in way to get rid of confusion when presented to IT managers. In order to avoid this the testing needs to provide the following to IT managers: Randomization, Random Selection, Binding, Experimental Manipulation, and Study Protocol.
Therefore, in order to accept internal testing and validation by IT managers, studies must be well thought out and recorded to present findings. While internal testing provides great validations, the tester must be fully certified to understand the code, current features, current vulnerabilities, new featured projects that may not be fully finished and/ or implemented.
Ganns, S. (2019). Understanding internal and external validity. This information was retrieved from https://www.verywellmind.com/internal-and-external-validity-4584479
Lee, J. (2017). White box testing: Pros and cons. This information was retrieved from https://www.seguetech.com/white-box-testing-pros-cons/