https://phys.org/news/2018-04-what-makes-someone-believe-or.html
"The study used experiments where people viewed video clips of scientists speaking at conferences. One group of participants heard the recordings in clear high-quality audio, while the other group heard the same recordings with poor-quality audio.
Participants were then asked to evaluate the researchers and their work. Those who listened to the poorer quality audio consistently evaluated the scientists as less intelligent and their research as less important."
"The study used experiments where people viewed video clips of scientists speaking at conferences. One group of participants heard the recordings in clear high-quality audio, while the other group heard the same recordings with poor-quality audio.
Participants were then asked to evaluate the researchers and their work. Those who listened to the poorer quality audio consistently evaluated the scientists as less intelligent and their research as less important."