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Friday, January 14, 2022

Fast Times at UCLA

From the BruinA recent UCLA study found no significant costs to watching online lecture videos at faster speeds.

According to the study published Nov. 14, there was no difference in learning comprehension between watching a lecture video at 1x, 1.5x or 2x speed, a topic the researchers sought to investigate as the pandemic moved classrooms online.

Dillon Murphy, the lead author of the study and a psychology doctoral student, said he noticed many of his students would speed up recorded lectures and also found himself doing it as a teaching assistant.

“The natural question is, ‘Is this a bad idea? Is this something that’s going to be bad for my learning?’ That was what motivated me to test this research question,” he said.

The study had student participants watch two lecture videos, one on the history of the Roman Empire and the other on real estate appraisals, at 1x, 1.5x, 2x or 2.5x speed. They then immediately took two tests to assess their understanding of both videos and took another two tests a week later.

The study found that learning impairments only occurred in those who watched at 2.5x speed...

Full story at https://dailybruin.com/2022/01/12/study-finds-that-zooming-through-recorded-videos-does-not-reduce-comprehension.

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