Cross Validation
A statistical method used to assess the generalizability of a model to unseen data, involving partitioning a dataset into subsets for training and validation.
A statistical method used to assess the generalizability of a model to unseen data, involving partitioning a dataset into subsets for training and validation.
The process of testing product ideas and assumptions with real customers to ensure they meet market needs.
The process of testing and evaluating a design to ensure it meets user needs and business goals before final implementation.
The extent to which a measure represents all facets of a given construct, ensuring the content covers all relevant aspects.
Proof of Concept (PoC) is a demonstration, usually in the form of a prototype or pilot project, to verify that a concept or theory has practical potential.
A method of creating and testing user interfaces using hand-drawn sketches and mockups on paper.
A testing method where the internal structure of the system is not known to the tester, focusing solely on input and output.
A usability testing method where users interact with a system they believe to be autonomous, but which is actually operated by a human.
A method of testing two identical versions of a webpage or app to ensure the accuracy of the testing tool.