Timed ESM

Method suitability

Study type

XField studies
Lab studies
Online studies
Questionnaire

Development phase

Concepts
Early prototypes
XFunctional prototypes
XProducts on market

Studied period of experience

Before usage
XSnapshots
An episode
XLong-term UX

Evaluator / Info provider

UX experts
XOne user at a time
Groups of users
Pairs of users

Data

XQualitative
XQuantitative

Applications

XWeb services
XPC software
XMobile software
Hardware designs
Other:

Requirements

XTrained researcher
XSpecial equipment

Summary

Experience sampling during field studies, so that the participant reports their experience at a certain point of time.

Description

There are several ways to do Timed ESM. Either the participants report the experience themselves at the predefined point in time, or the system prompts them.
The users may be asked to report many kinds of data, e.g. what they feel right now, what feelings were triggered in previous interactions, or their overall evaluation about the system. The data format that users will produce may be questionnaire choices, free text, audio recording, image, or video.

Strengths

Allows the researchers to collect experience data without being with the participant on the field.
The method is suitable for collecting retrospective information, not momentary (see weaknesses).

Weaknesses

The point of time may be inappropriate for reporting user's experience. The user might not be using the system when the reporting time comes. The query might interrupt the experience and trigger negative emotions.

References describing the method

Hektner et al., 2007 J.M. Hektner, J.A. Schmidt and M. Csikszentmihalyi, Experience Sampling Method: Measuring the Quality of Everyday Life, Sage Publications Inc. (2007)

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