| Title |
Interval-level measurement with visual analogue scales in Internet-based research: VAS Generator
|
|---|---|
| Published in |
Behavior Research Methods, August 2008
|
| DOI | 10.3758/brm.40.3.699 |
| Pubmed ID | |
| Authors |
Ulf-Dietrich Reips, Frederik Funke |
| Abstract |
The present article describes VAS Generator (www.vasgenerator.net), a free Web service for creating a wide range of visual analogue scales that can be used as measurement devices in Web surveys and Web experimentation, as well as for local computerized assessment. A step-by-step example for creating and implementing a visual analogue scale with visual feedback is given. VAS Generator and the scales it generates work independently of platforms and use the underlying languages HTML and JavaScript. Results from a validation study with 355 participants are reported and show that the scales generated with VAS Generator approximate an interval-scale level. In light of previous research on visual analogue versus categorical (e.g., radio button) scales in Internet-based research, we conclude that categorical scales only reach ordinal-scale level, and thus visual analogue scales are to be preferred whenever possible. |
Mendeley readers
The data shown below were compiled from readership statistics for 404 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| United States | 5 | 1% |
| United Kingdom | 3 | <1% |
| Australia | 3 | <1% |
| Germany | 2 | <1% |
| Netherlands | 1 | <1% |
| Bulgaria | 1 | <1% |
| Hong Kong | 1 | <1% |
| France | 1 | <1% |
| Switzerland | 1 | <1% |
| Other | 7 | 2% |
| Unknown | 379 | 94% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Ph. D. Student | 72 | 18% |
| Student > Master | 55 | 14% |
| Researcher | 51 | 13% |
| Student > Bachelor | 38 | 9% |
| Student > Doctoral Student | 25 | 6% |
| Other | 73 | 18% |
| Unknown | 90 | 22% |
| Readers by discipline | Count | As % |
|---|---|---|
| Psychology | 91 | 23% |
| Medicine and Dentistry | 48 | 12% |
| Social Sciences | 30 | 7% |
| Computer Science | 29 | 7% |
| Agricultural and Biological Sciences | 16 | 4% |
| Other | 72 | 18% |
| Unknown | 118 | 29% |
Attention Score in Context
This research output has an Altmetric Attention Score of 9. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 24 February 2023.
All research outputs
#3,798,287
of 25,373,627 outputs
Outputs from Behavior Research Methods
#478
of 2,525 outputs
Outputs of similar age
#11,989
of 97,949 outputs
Outputs of similar age from Behavior Research Methods
#2
of 5 outputs
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So far Altmetric has tracked 2,525 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 8.1. This one has done well, scoring higher than 80% of its peers.
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