{"product_id":"testlet-response-theory-and-its-applications-cambridge-university-press-9780521862721-howard-wainer","title":"Testlet Response Theory and Its Applications","description":"\u003cp\u003eModern tests are often composed of a large number of testlets - smaller tests that focus on a narrow topic. Testlet response theory (TRT) is an appropriate scoring model for such tests. This book, written by TRT's inventors, is the first comprehensive description of this theory.\u003c\/p\u003e","brand":"Howard Wainer","offers":[{"title":"Default Title","offer_id":52226810806614,"sku":"9780521862721","price":113.97,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/3206\/6390\/files\/9780521862721.jpg?v=1767740691","url":"https:\/\/www.bookshop.lt\/products\/testlet-response-theory-and-its-applications-cambridge-university-press-9780521862721-howard-wainer","provider":"Bookshop","version":"1.0","type":"link"}