When to Use Which User-Experience Research Methods - NN/G
20 user-research methods: where they fit in the design process, whether they are attitudinal or behavioral, qualitative or quantitative, and their context of use.| Nielsen Norman Group
20 user-research methods: where they fit in the design process, whether they are attitudinal or behavioral, qualitative or quantitative, and their context of use.| Nielsen Norman Group
Computing the net present value (NPV) lets you estimate the most profitable level of usability investment. For big projects, expensive usability can pay off.| Nielsen Norman Group
