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This is Scientific American's 60-second science. I'm Christopher in Taliatta.

Eight years ago, the jury and the trial of Casey Anthony announced their verdict.

As to the charge of first degree murder, verdict as to count one, we the jury find the defendant

not guilty, so say we all.

Anthony had been charged with murdering her two-year-old daughter, but like the murder charge, the jury's decision for additional charges of aggravated child abuse and aggravated manslaughter were again...

And that created this huge outcry.

Christopher Ferguson, clinical psychologist at Stetson University in Central Florida, not far from where the trial occurred.

It was just kind of like this narrative that, you know, she got preferential treatment,

maybe not on purpose, but, you know, sort of the jury was more sympathetic to her because she

was this, you know, pretty young female and that kind of conflicted with people's impression of who a murderer is.

Mock trial studies have suggested that attractive people have an edge in the criminal justice

system. So Ferguson and his colleagues looked into that stereotype, using data from the

National Longitudinal Study of Adolescent to Adult Health, the largest long-term study of

people who began participating in the study as teens. The interviewers asked the youth some

multitude of questions, and also rated the respondent's degree of attractiveness, a measure that's

been used to examine links to health and wealth. In this case, Ferguson and his team looked at a subset

of nearly 8,800 respondents, and examined the correlation this case, Ferguson and his team looked at a subset of nearly 8,800 respondents

...