Lecture

Evaluation of Interactive Systems: Methods and Principles

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In course

CS-486: Interaction design

This course focuses on goal-directed design and interaction design, two subjects treated in depth in the Cooper book (see reference below). To practice these two methods, we propose a design challenge, which is further divided into mini-projects evenly spa ...

Description

This lecture covers a wide range of evaluation methods for interactive systems, focusing on heuristic evaluation and formative evaluation. Heuristic evaluation involves expert reviews based on Nielsen's 10 principles, while formative evaluation aims to understand user behavior through qualitative observation. The lecture also discusses discount evaluation, sumative evaluation, and the importance of error prevention, user control, consistency, and flexibility in system design.

Instructor

Pearl Pu Faltings

Expertise Human computer interaction, artificial intelligence, user experience research, user modeling, preference-based search, intelligent user interfaces, information visualization. Teaching & PhD Past EPFL PhD Students Denis Lalanne, Georgios Melissargos, Frank Paul Janecek, Li Chen, Jiyong Zhang, Nicolas Jones, Rong Hu, Yu Chen, Valentina Sintsova, Onur Yürüten, Yubo Xie, Ekaterina Svikhnushina, Kalpani Anuradha Welivita Past EPFL PhD Students as codirector Marina Boia, Igor Kulev Courses Interaction

Official source

Ontological neighbourhood

Computer engineering

Software development: Human–computer interaction

Related concepts (30)

Evaluation

In common usage, evaluation is a systematic determination and assessment of a subject's merit, worth and significance, using criteria governed by a set of standards. It can assist an organization, program, design, project or any other intervention or initiative to assess any aim, realisable concept/proposal, or any alternative, to help in decision-making; or to ascertain the degree of achievement or value in regard to the aim and objectives and results of any such action that has been completed.

User interface

In the industrial design field of human–computer interaction, a user interface (UI) is the space where interactions between humans and machines occur. The goal of this interaction is to allow effective operation and control of the machine from the human end, while the machine simultaneously feeds back information that aids the operators' decision-making process. Examples of this broad concept of user interfaces include the interactive aspects of computer operating systems, hand tools, heavy machinery operator controls and process controls.

Usability

Usability can be described as the capacity of a system to provide a condition for its users to perform the tasks safely, effectively, and efficiently while enjoying the experience. In software engineering, usability is the degree to which a software can be used by specified consumers to achieve quantified objectives with effectiveness, efficiency, and satisfaction in a quantified context of use. The object of use can be a software application, website, book, tool, machine, process, vehicle, or anything a human interacts with.

Heuristic

A heuristic (hjʊˈrɪstɪk; ), or heuristic technique, is any approach to problem solving or self-discovery that employs a practical method that is not guaranteed to be optimal, perfect, or rational, but is nevertheless sufficient for reaching an immediate, short-term goal or approximation. Where finding an optimal solution is impossible or impractical, heuristic methods can be used to speed up the process of finding a satisfactory solution. Heuristics can be mental shortcuts that ease the cognitive load of making a decision.

Program evaluation

Program evaluation is a systematic method for collecting, analyzing, and using information to answer questions about projects, policies and programs, particularly about their effectiveness and efficiency. In both the public sector and private sector, as well as the voluntary sector, stakeholders might be required to assess—under law or charter—or want to know whether the programs they are funding, implementing, voting for, receiving or opposing are producing the promised effect.

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