When discussing different research approaches, you’ll often hear research described in terms of being generative or evaluative. Whether research is considered generative or evaluative largely depends on goals and intention of how the research is completed. Both techniques have their purpose, and there’s no “better” approach between the two.
When organizations build products, it can be easy to get caught up in features and lose sight of what is trying to be solved. Thoughtfully employing a mixture of generative and evaluative methods can help to ensure you’re focusing on solving actual customer problems.
Read on to understand the differences of each approach, examples of generative and evaluative research methods, and when each approach should be used.
Generative research, also referred to as exploratory or foundational research, tries to identify or define an opportunity to solve a real human issue.
It’s typically conducted when little or nothing is known about a particular area, with the intention to introduce a solution or innovation to a customer issue – ultimately to provide a customer with something they need (even if they don’t know it yet). It’s important to keep an open mind when conducting generative research, and avoid fixating on what has already been built, or on existing solutions.
Generative research methods include:
The tools that help with generative research include:
Evaluative research is employed when trying to assess the success of a solution that has already been addressed in some way. Pen and paper sketches, digital prototypes, mock-up concepts, or implemented experiences could all be solutions or formats that are subject to evaluative research methods.
As evaluative research can be conducted on solutions that can be of varying levels of fidelity and execution (from sketches to functioning solutions), evaluative methodologies play a pivotal part in the iterative development of a solution by ensuring the continual evaluation at different stages during a product’s development.
Evaluative research methods include:
The following tools could be of help when conducting evaluative research:
Most generative research happens before the start of a project, which might inform and kickoff new projects within an organization, whereas evaluative research typically happens to assess a potential solution or idea once it’s been designed.
Generative research occurs early in a project as a way to ensure customer problems and opportunities are understood, with the goal of informing the development of solutions that actually solve problems for people.
Once solutions or ideas have been developed in response to generative research, that’s when evaluative research will occur to identify whether the solutions successfully solve customer problems or address opportunities.
It’s important to consider both research methods throughout your product development and be intentional about selecting a method that is appropriate for your goals.
If you are interested in learning when to use different UX research methods, Nielsen Norman Group has published a comprehensive article when to use which research method, which is a great place to start.
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