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OAEs are considered to be related to the amplification function of the cochlea. In the absence of external stimulation, the activity of the cochlear amplifier increases, leading to the production of sound. Several lines of evidence suggest that, in mammals, outer hair cells are the elements that enhance cochlear sensitivity and frequency selectivity and hence act as the energy sources for amplification. One theory is that they act to increase the discriminability of signal variations in continuous noise by lowering the masking effect of its cochlear amplification.
Qualistar Colorado and its Qualistar Rating™ team partner with programs on the assessment phase of their quality improvement journey. Evidence of a high quality early learning experience can be found in many aspects of a program. Strong Family Partnerships, age-appropriate learning experiences, positive interactions between teachers and children, effective health and safety procedures, and the ongoing training and education of the program staff are just some of the critical areas that contribute to the quality of care provided to children and families. These and other criteria are assessed per program by the Rating team. Learn more about Qualistar Rating™ components and the rating process.