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Air Bridge
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Computerized Adaptive Testing: Theory and Practice
This book offers a comprehensive introduction to the latest developments in the theory and practice of CAT. It can be used both as a basic reference and a valuable resource on test theory. It covers such topics as item selection and ability estimation, item pool development and maintenance, item calibration and model fit, and testlet-based adaptive testing, as well as the operational aspects of existing large-scale CAT programs.
Elements of Adaptive Testing
The arrival of the computer in educational and psychological testing has led to the current popularity of adaptive testing---a testing format in which the computer uses statistical information about the test items to automatically adapt their selection to a real-time update of the test taker’s ability estimate. This book covers such key features of adaptive testing as item selection and ability estimation, adaptive testing with multidimensional abilities, sequencing adaptive test batteries, multistage adaptive testing, item-pool design and maintenance, estimation of item and item-family parameters, item and person fit, as well as adaptive mastery and classification testing. It also shows how these features are used in the daily operations of several large-scale adaptive testing programs.
Wolverines in the Sky
Wolverines in the Sky tells the story of Michigan's fighter aces; 56 men who distinguished themselves as some of the greatest aviators in history by shooting down five or more enemy aircraft in flight. Wolverines in the Sky is a fitting tribute to a group of men who answered America's call to service and defended her under exceptional circumstances. It's a book not to be missed by any patriot. ---------------------------------------------------------------------------------------------- An excellent account of Michigan's aces. I thoroughly enjoyed every word of it. - Stanley J. Bozich, Curator, Michigan's Own Military and Space Museum Andrew Layton is a home school graduate who has enjoyed a love for history and our nation's veterans for as long as he can remember. It was this passion that inspired him to begin writing Wolverines in the Sky at the age of fourteen after personally contacting each of America's living fighter aces to thank them for their service.
Shrubs and Vines of Iowa
Shrubs and vines, often literally overshadowed by trees, also receive much less attention than their taller neighbors, and yet they are very important elements of the region’s natural landscape. A guide to these interesting and useful plants, this book identifies all 150 shrubs and vines native to Iowa, along with frequently seen naturalized ones. Here you’ll find the widely distributed buttonbush, the distinctive pagoda dogwoods, sumacs with their striking fall foliage, the adaptable ninebark, the attractive grape honeysuckle, the many species of Rubus and wild grapes that provide food for birds and animals, willows with their graceful promise of spring, and the diverse viburnums. Like ...
‘Eastland’
An account of the 1915 capsizing of the steamer Eastland in the Chicago River, an accident that killed more than eight hundred people, details the role of safety measures instituted after the sinking of the Titantic and examines the civil and criminal court proceedings which followed it.
