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The basic principle of adapting a test to each examinee was recognized in the very early days of psychological measurement, even before the development of the standardized conventional paper-and-pencil test, by Alfred Binet in the development of the Binet IQ test (Binet & Simon, 1905) which later was published as the Stanford-Binet IQ Test. At this point, the examiner could move to items at the next higher or lower age level in an attempt to locate either a ceiling level or a basal level. Following identification of the basal level, the examiner continued the test by beginning a search for the ceiling level. It use a defined scoring method – a set of items at a given age level is administered and immediately scored by the administrator. There is a “branching” or item selection rule that determines which items will next be administered to a given examinee. In effect, these items are weighted by their age level in arriving at the IQ scores derived from the test, since different examinees will answer both different numbers and subsets of items. The test items are organized into "mental age" levels, which includes items answered correctly by approximately 50% of examinees at each chronological age.
The examinee answered items 1, 2, 4, 5, 6, and 10 correctly (+) and items 3, 7, 8, and 9 incorrectly.
This examiner chose to search first for a basal level (perhaps to provide the examinee with some positive reinforcement since easier items would likely be answered correctly). The test is terminated when sufficient information has been obtained about the examinee to determine their level on the trait that underlies the items. The proportion correct for each examinee across the items administered in an adaptive test will be approximately .50, which is the item difficulty level that provides maximum information about each examinee. I do not think there are very many specific laptop demands; you should merely copy it to your computer and start employing it.
Binet selected items for each age level if approximately 50% of the children at that age level answered an item correctly. In the Binet test, the next set of items to be administered is based on the examinee’s performance on each previous set of items.

The Binet test is terminated when, for each examinee, both a “ceiling” and a “basal” level have been identified. Therefore, the test was "branched" to items at Age 8.5 These items were administered and 80% of them were correctly answered. In this case the test could have been started at virtually any age level, based on whatever information the examiner had about the examinee. In the case of the Binet test, the test is terminated when the items provide no further information about the examinee's ability level. A well-designed adaptive test is allowed to continue until sufficient information is available about each examinee to measured the examinee to a predetermined level of precision.
An adaptive test is designed to administer, from a precalibrated item bank, the subset of items that best measures each examinee. Thus, in the original version of the test, there were sets of items at ages from three years through 11 years. If the examinee has answered some or most of the items at a given age level correctly, usually the items at the next higher age level are administered. The ceiling level is the age level at which the examinee incorrectly answers all items; the basal level is the age level at which the examinee correctly answers all the items.
Because some of the items were answered correctly and others were not, Age 9 was neither a ceiling level (0% correct) nor a basal level (100% correct), so the test continued. The examiner then continued to search for a basal level by administering the next less difficult set of items at Age 8, of which 90% were correctly answered. Because this was not a ceiling level (0% correct), the test continued with the next more difficult set of items (Age 10). Had it been started at any age level from 7.5 to 10, the same items would have been administered and the test results would have be unaffected. Items below the basal level will be too easy for the examinee and items above the ceiling level will be too difficult -- both of these subsets of items will not provide any further information about the examinee's ability level.

In the Binet test, this level of precision is determined by the identification of both a ceiling and basal level, regardless of how many items are required for each examinee.
This characteristic of an adaptive test will tend to equalize the psychological "reinforcement environment" of the testing experience across examinees, to the extent that examinees perceive the apparent difficulty of the test items. If most of the items at a given age level are answered incorrectly, items at the next lower age level are typically administered. The final branching, to Age 7.5 resulted in identification of the basal level -- 100% of these items were correctly answered by the examinee. The scored responses to these items resulted in 0% correct, establishing the ceiling level. If the test was started outside this range, additional items would have been administered (thereby lengthening the test) but the scores (which in the Binet test are based on the Mental Age levels of correctly answered items) would have been unaffected. Another examinee might receive items from Age 5 to Age 7.5, whereas another might receive items from Age 8 to Age 13.
As a result, lower ability examinees might perceive an adaptive test as easier than conventional tests they have taken, because on conventional tests they might perceive that they were incorrectly answering most items (low percent correct, or a "difficult" test). To be perfectly blunt, I am a tiny leery regarding how accurate these computer software can be, yet I genuinely don't comprehend how to solve these exercises I thought it is worth a make an attempt.
For example, if the test had been started at Age 7, because these were very easy items they presumably would all have been correctly answered, establishing an extra basal level. Conversely, high ability students might perceive an adaptive test as more difficult than conventional tests, because they are used to correctly answering most items on conventional tests (high percent correct, or an "easy" test). Similarly, items at Age 10.5 should have resulted in an extra ceiling level since those items would have been more difficult than the items at Age 10.

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