Nadia bashir (4253) creator text Islamabad (Unpublished) 2020 monographic xv, 82 p. : ill., Col. ; 30 cm. + CD Submitted in partial fulfilment of the requirements for the degree of Master of Science in speech language pathology to the Faculty of Rehabilitation and Allied Health Sciences (FRAHS) Thesis supervisor: Dr. Soabah Wasim Includes bibliographical references Thesis (MS-SLP)-Riphah International University, 2020 English Speech language pathology Point measure correlation Item characteristic curve Item response theory Fit statistics FRAHS 616.855 NAD