# J. Marshall Shepherd: 3 kinds of bias that shape your worldview

What shapes our perceptions (and misperceptions) about science? In an eye-opening talk, meteorologist J. Marshall Shepherd explains how confirmation bias, the Dunning-Kruger effect and cognitive dissonance impact what we think we know — and shares ideas for how we can replace them with something much more powerful: knowledge.

- Kind: Talk
- Year: 2018
- By: TED.com
- Genres: Education, Science
- Archive: [Internet Archive](https://archive.org/details/JMarshallShepherd_2018X)
- Licence or status: [CC BY-NC-ND 4.0](https://creativecommons.org/licenses/by-nc-nd/4.0/) (as the archive states it)
- Who can watch: Tweens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/JMarshallShepherd_2018X?play=1)
