LOS ANGELES The coronavirus pandemic has changed virtually everything in the U.S., including online behavior, according to a new study.

Researchers from UCLA and Harvard University analyzed how two types of Internet activity changed in the country for the 10 weeks before and the 10 weeks after March 13, 2020 the date that then-President Donald Trump declared COVID-19 a national emergency.

According to the study, one change was Google searches.

The other was the phrasing of more than a half-billion words and phrases posted on Twitter, blogs and Internet forums, suggesting a resurgence of community-oriented values and support of one another.

The study is the lead research article in a special issue of the journal Human Behavior and Emerging Technologies, dedicated to the pandemic.

According to the study, use of the word help on Twitter increased by 37% in the period after March 13, while use of the word share increased by 24%.

In addition, sacrifice more than doubled on Twitter from before the pandemic to the period after March 13.

Sacrifice was a complete nonstarter in U.S. culture before COVID, according to Patricia Greenfield, a UCLA distinguished professor of psychology and senior author of the research.

The studys authors said that Internet evidence also suggests Americans were placing more value on the welfare of others while coping with frightening COVID-19 statistics.

Noah Evers, a Harvard undergraduate psychology major and the studys lead author, said the idea of placing value on others welfare applied even if it meant people putting their own lives at risk.

One example Evers cited was peoples willingness to participate in the large Black Lives Matter demonstrations, even in the midst of a pandemic.

The study further found the use of words referring to basic needs for food, clothing and shelter increased significantly across Google searches, Twitter and other online platforms.

The researches reported that Google searches increased by 344% for grow vegetables and by 207% for sewing machine. On Twitter, mentions of Home Depot jumped by 266%, the study found.

While drawing conclusions about shifting psychology from such evidence might seem a stretch, Greenfield said that language provides a window into peoples concerns, values and behavior.

Perhaps not surprisingly, the report also found an increase in peoples concerns about mortality.

The report said that, after March 13 when the death toll began increasing dramatically search activity for survive increased by 47%, while searches for cemeteries rose by 41%, bury by 23% and death by 21%.

During the 10 weeks after Trumps emergency declaration, there was a 115% jump in Twitter mentions of the phrase fear of death compared to the 10 weeks before.

Death went from something taboo to something real and inevitable, Evers said.

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How COVID-19 changed the way we use Google and Twitter, according to UCLA-Harvard study - LA Daily News