Master advanced educational testing with Testlet Response Theory (TRT). This seminal work, penned by its creators, offers the first comprehensive overview of TRT, the premier statistical modeling approach for modern tests composed of interconnected testlets. Ideal for psychometricians, researchers, and educators in India, TRT provides enhanced accuracy in assessment design and measurement. Deepen your expertise in sophisticated psychometric models and quantitative research methods essential for academic and competitive exam contexts. An indispensable guide for anyone advancing educational assessment.