115 | Triangulation |
The convergence of multiple methods on the same research question to corroborate evidence from several different angles
- Triangulation ensures accuracy of information by combining sources and mitigating the weaknesses of any single method or source.
- The most common occurrence of triangulation is to combine behavioral observation methods with self-report methods such as questionnaires or interviews.
- Self-reported behaviors or attitudes aligned with social norms or research expectations may be contradicted by actual behaviors observed.
- Triangulation may compare physiological data such as heart rate or pupil dilation with self-reported information or observations of visible behaviors.
- Anecdotal information collected through qualitative means can enrich and humanize the abstraction of quantitative results collected through survey data.
- In usability studies, recordings are triangulated across keystroke/mouse inputs, facial expressions, and actions verbalized in think-aloud protocol.
See alsoCompetitive Testing • Literature Reviews • Secondary Research
In a Microsoft study of television watching, observations and television interactions were used during interviews to correlate behaviors with TV content and events in the environment.
Courtesy of Mike Darnell, Microsoft Corporation.
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