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The mean IQ score for this group is within the normal range of intelligence. From the research data given and results after thorough analysis and tabulations, the mean IQ score is around 85. In fact, the average Mean IQ score is expected to lie between 85 and 115, although for some children, it may be above that or below. These scores help in determining how gifted a child is as compared to others (Devore, 2008). Some have IQ scores going to 140, which means that they are incredibly talented, and these children happen to be intelligent in school and other areas in their lives. Therefore, all participants in this research fall within the expected range of average mean IQ scores.
The median of this group is close to that of a normal distribution because, from the information given and graphs provided, people had their scores as 100. In the normal distribution, it is proven that the median is around 100 score where most of the obtained data lie. This means that most people have IQ scores of close to the same levels, although there are few exceptions. These exceptions happen in cases where some people have IQ scores above 130. These are regarded as gifted while others possess scores below 70, and this means that exceptional services are vital. In fact, children with IQ scores at 70 or below take more time to learn hence requiring the provision of specialized services.
The score represented by the letter B means that the person has an intellectual disability. It is given that their IQ level is shallow hence creating the need for specific academic needs. Since a typical IQ score is 100, it is said that one deviation from 100 downwards calls for exceptional services. Letter B represents a score of 65 hence positioning it below two variations downwards, which is 70. In this case, the parents with children in this bracket should make sure they get adequate information from IQ specialists on the assistance required. This is because some conditions can be improved by the use of drugs, while others cannot. Therefore, it can be wise for parents to seek guidance on how to handle their children with intellectual disabilities.
Letter F is between 1 and 2 standard deviations above the mean of the Wechsler Adult Intelligence Scale. The mean of the Wechsler Adult Intelligence scale is 100. Therefore, one deviation above it rests at 115, and two variations above it lie at 130. Consequently, it is evident that 125 is the point of interest.
A test that gives consistent results time after another is said to be valid. This means that test results can be verified and interpreted without distortion. A test that gives inconsistent results every time is said to be invalid hence cannot be relied upon to provide statistically accurate analysis. The precise application of valid tests helps researchers to obtain useful information that can be used to write reports for various audiences (Weiten, Dunn, and Hammer, 2011).
For instance, information about IQ scores is crucial for parents whose children may be challenged. In case specialists apply invalid tests, they can end up misleading parents into administering drugs unnecessarily. This becomes fatal because some drugs affect human brains, and if distributed to the wrong people, they may end up causing harm in their lives. Therefore, it is essential for specialists to identify a valid and reliable test so that they can be assured of the medication and advice they administer to their clients.
References
Devore, J. L. (2008). Probability and statistics for engineering and the sciences. Michigan: Cengage Learning.
Weiten, W., Dunn, D. S. & Hammer, E. Y. (2011). Psychology Applied to Modern Life: Adjustment in the 21st Century. Michigan: Cengage Learning.
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