In the chi square analysis of cross-tabulated variables, the problem of low cell counts is usually solved by combining categories, at the cost of a loss of information, or by using larger samples, at ...

Table tennis, as a fast-paced and tactically demanding sport, has increasingly benefited from sophisticated performance analysis and algorithm development. Recent advancements have harnessed machine ...

As avid puzzlers know full well, the humble jigsaw puzzle is a thing of beauty in multiple ways. Not only are jigsaws an absorbing time sink, but multiple studies have demonstrated they are good for ...

Smart Share Global Limited, a consumer tech company, provides mobile device charging services through online and offline network in the People's Republic of China. The company offers services through ...

My PCMag career began in 2013 as an intern. Now, I'm a senior writer, using the skills I acquired at Northwestern University to write about dating apps, meal kits, programming software, website ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. David Kindness is a Certified Public Accountant (CPA) and an expert in the fields of ...