Seyfarth Synopsis: For the second time in four years, the Third Circuit has reversed a trial court’s certification of a nationwide Title III class on numerosity grounds, applying a demanding standard ...

Humans, including infants, and many other species have a capacity for rapid, nonverbal estimation of numerosity. However, the mechanisms for number perception are still not clear; some maintain that ...

The Third Circuit’s new opinion on class certification issues in Mielo v. Steak ‘N Shake Operations, Inc., No. 17-2678 (3d Cir. July 26, 2018) provides helpful guidance for district courts and class ...

Most people learn to count and do basic arithmetic at a young age and don’t give these skills a second thought. But numerosity or numeracy, the ability to think about and use numbers, is more than a ...

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Serial dependence is a phenomenon in which current perception is attracted to the immediately preceding perception and is thought to reflect a mechanism for stabilizing perception by integrating ...

While some experiments try to test animals' perception of quantities in natural settings, others use training paradigms that offer experimenters more control over the conditions. All face the obstacle ...

A cognitive neuroscience, through study, has addressed basic research questions about how our brains process number and magnitude and how such processes give rise to more complex mathematical thinking ...

ThoughtBox, the Irish-based start-up looking to change how kids learn about maths and science by using interactive games, has seen its first app reach the top of the charts both at home and abroad.