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Conditioned play audiometry (CPA) is a type of audiometry done in children from ages 2 to 5 years old, in developmental age. It is the test that directly follows visual reinforcement audiometry when the child becomes able to focus on a task. It is a type of behavioral hearing test, of which there are many.
Pure-tone audiometry is the main hearing test used to identify hearing threshold levels of an individual, enabling determination of the degree, type and configuration of a hearing loss [1] [2] and thus providing a basis for diagnosis and management.
Voice problems that require voice analysis most commonly originate from the vocal folds or the laryngeal musculature that controls them, since the folds are subject to collision forces with each vibratory cycle and to drying from the air being forced through the small gap between them, and the laryngeal musculature is intensely active during speech or singing and is subject to tiring.
Speech acquisition focuses on the development of vocal, acoustic and oral language by a child. This includes motor planning and execution, pronunciation, phonological and articulation patterns (as opposed to content and grammar which is language).
Power, source and filter: Estill Voice Training partitions the vocal system into the three components power, source and filter [14] extending the existing source-filter model of speech production. "Power" is the source of energy producing the sound (typically the respiratory system causing air to be expelled from the lungs).
The Differential Ability Scales (DAS) is a nationally normed (in the US), and individually administered battery of cognitive and achievement tests. Into its second edition (DAS-II), the test can be administered to children ages 2 years 6 months to 17 years 11 months across a range of developmental levels.
The BSRA is a widely used kindergarten readiness test that measures a child's exposure to concepts that support learning at school. It contains five subtests assessing knowledge of colors, letters, numbers/counting, size/comparisons, and shapes. Unlike a questionnaire, the BSRA is structured as a set of tests to be completed with the child.
When reviewing the literature on the effectiveness of VSA in 2003, the National Research Council concluded, "Overall, this research and the few controlled tests conducted over the past decade offer little or no scientific basis for the use of the computer voice stress analyzer or similar voice measurement instruments".