Diary Method
The diary method asks subjects to record their interactions with a system, any significant events or problems during their use of a system, or other aspects of their working life. A diary typically as . (Read Complete Description)
Unstructured - Very open interviews. Usually an outline, used as a guide, with a limited set of broad questions to ask. Stratified Semi Structured. Stratified representative sample of the organizatio . (Read Complete Description)
Laddering is an interview and diagramming technique that is used to draw out the connections users make between different constructs of a task, the consequences of those attributes, and the human valu . (Read Complete Description)
Magnitude Estimation
Magnitude estimation is a method to quickly and easily assign a value or weight to a particular concept. Experts are asked to rate a particular concept along some type of scale. Medical professionals . (Read Complete Description)
Precursor, Action, Result, and Interpretation (PARI) Method
In the PARI method, subject-matter experts are consulted to identify which issues to probe, and to aid in eliciting cognitive information from other subject-matter experts. For example, subject-matte . (Read Complete Description)
Question Asking Protocol
The question-asking protocol simply takes thinking aloud one step further in that instead of waiting for users to vocalize their thoughts, you prompt them by asking direct questions about the product. . (Read Complete Description)
The basic tool for obtaining subjective data is the questionnaire. Questionnaires provide a structured means of collecting information from system users. They usually consist of specific questions ab . (Read Complete Description)
Repertory Grid Technique
The Repertory Grid is a simple knowledge elicitation technique devised by clinical psychologists (Kelly, 1955). After identifying a small set of elements (a.k.a objects, entities), the user is asked t . (Read Complete Description)
Semantic Differential Scales
Developed by linguistics scholar Charles Osgood in 1950s, the semantic differential scale is a method for measuring the meaning of an object to an individual. It may also be thought of as a series of . (Read Complete Description)
Teachback is a process of knowledge elicitation in which the subject matter expert (SME) describes a concept to the human factors researcher. The researcher then explains the concept back to the SME u . (Read Complete Description)
Think Aloud Protocol
In the "think-aloud" protocol the user performs a number of tasks and is asked to think aloud to explain what they are doing at each stage, and why. The evaluator records the users actions (sometimes . (Read Complete Description)
Twenty Questions
In this novel technique the expert tries to guess something that the knowledge engineer is thinking about. The expert is allowed to ask questions of the knowledge engineer who is only allowed to respo . (Read Complete Description)