An approximation is proposed for the posterior mean and standard deviation of the ability parameter in an item response model. The procedure assumes that approximations to the posterior mean and ...

High schoolers’ reading and math scores dropped to the lowest level in decades, along with declines in science scores from eighth graders, according to the National Assessment of Education Progress ...

A portrait of British politician Coulson Fellowes by the Venetian painter Rosalba Carriera (1673-1757) has sold at auction for £508,000, more than 20 times its estimate and a world record for an ...

FORT JACKSON, SC – Every Tuesday before dawn, hundreds of hopefuls line up with exposed midriffs to be weighed and measured at this South Carolina Army base, which takes in more recruits than any ...

Abstract: Frequency Modulated (FM) signals are usually characterized by two or more components having different waveforms and time-dependent frequencies. The estimation of the instantaneous frequency ...

Estimate how much your money can grow with our free investment return calculator. Enter your planned contributions, timeline, rate of return and compounding frequency to get started. Many, or all, of ...

Big Brother contestants Jade and PJ hopped into bed together for a drink-fuelled fumble in the first spot of canoodling of the series. The sheets were seen to be rustling but show bosses are refusing ...

When is the Where Winds Meet release date? This stunning open-world game transports us to Imperial China during the Five Dynasties and Ten Kingdoms era. As a young martial artist, we'll master Wuxia ...

One year ago, Baltimore's iconic Francis Scott Key Bridge collapsed in the middle of the night after it was struck by a large cargo ship leaving the Port of Baltimore. The deadly collapse crippled the ...