No. #29
Observer-Expectancy Effect
- Expectations Influence Outcomes
The observer-expectancy effect occurs when a researcher's expectations or beliefs about the outcome of an experiment or study influence the results. This can affect user testing and research in product development, leading to biased data based on the expectations of the observer.
Read more on WikipediaProduct example
In usability testing, if the observer expects a feature to be well-received, their interactions with the participant might inadvertently lead to more positive feedback.
Empathy tips
Neutral Testing Environments
Ensure testing environments and protocols minimize observer influence.
Blind Testing Methods
Use blind testing methods to prevent bias from influencing results.
Train Researchers
Educate researchers and testers on the importance of neutrality.
Feedback Validation
Cross-validate user feedback through multiple channels to ensure reliability.