objectives: all subjects suspected of central auditory processing disorder (capd) were previously tested by free recall dichotic digits test (ddt). the study objective was normalization and reliability evaluation of two-pair ddt in 750 native persian subjects aged 8 to 12 years. materials: a total of 750 subjects were divided into five age groups varying between 8 years and 12 years and 11 mont...

Deciding on the configuration in which to test a structure is an important consideration which needs to be addressed before a test is carried out. Since the evolution of the modal test, there are several test configurations free-free, fixed, added-mass, amongst othersthat have been developed and used. However, the free-free test configuration remains the most favoured for most applications sinc...