Intellectual Functioning Your IQ Wechsler Research Paper

Pages: 10 (3350 words)  ·  Bibliography Sources: 10  ·  File: .docx  ·  Level: College Senior  ·  Topic: Psychology

Present use of Stanford -- Binet Intelligence and Wechsler Adult Intelligence Scale

Since the beginning of the Stanford -- Binet, it has been revised a lot more times as mentioned earlier. At the moment, the test is in its fifth edition, which is recognized as the Stanford-Binet Intelligence Scales, Fifth Edition, or SB5. As stated by the publisher's website, "The SB5 was named on a stratified random sample of 4,800 persons that matches the 2000 U.S. Census." By managing the Stanford -- Binet test to large amounts of individuals picked at random from dissimilar parts of the United States, it has been discovered that the scores estimated a distribution that is normal. The edition that has been revised of the Stanford-Binet, over time has created large changes in the way the tests are presented (Reichenberg, Weiser, & Rabinowitz, 2002). The test has been improving when looking at the introduction of a more similar form and more demonstrative ideals.

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For instance, a non-verbal IQ component is counted in the present day tests where in the past, there was just a verbal element. In truth, it now has balance that is equal of verbal and non-verbal content in the exam. It is also considered to be more animated than the other tests, providing the test-takers with more lively artwork, manipulative and toys. This permits the test to have a higher array in the age of the test takers (Weber, 2009). This test is extremely useful in evaluating the intellectual capabilities of individuals ranging from children that are young all the way to adults that are young. On the other hand, the test has come under disapproval for not being able to compare individuals of different age groups, since each group gets a different set of tests. In addition, very young children tend to do not so well on the test because of the fact that they are lacking in the concentration needed to have the test completed (Turk, Das, Howlin, & Barber, 2004).

Research Paper on Intellectual Functioning Your IQ Wechsler Assignment

Present uses for the test include clinical and neuropsychological assessment, educational placement, compensation evaluations, career assessment, adult neuropsychological treatment, forensics, and research on ability. (Suwalska, Lojko, Janik, Palys, & Rybakowski, 2008)Numerous high-IQ societies likewise receive this test for admission into their ranks; for instance, the Triple Nine Society consents to a minimum succeeding score of 151 for Form L. Or M, 149 for Form LM if taken in 1986 or much sooner, 149 for SB-IV, and 146 for SB-V; in all circumstances the candidate will need to have been at least 16 years old at the date of the test.


Research shows that the Wechsler intelligence scales are not looked at as being adequate measures of really low and high intelligence (IQ scores below 45 and above 170) (Emerson, Einfeld, & Stancliffe, 2010). The nature of the scoring procedure does not permit for scores outside of this range for test takers at specific ages. Wechsler himself was even more conservative, emphasizing that his scales were not suitable for individuals with an IQ that is below 70 or even above 130. Likewise, when giving the WAIS to individuals at extreme ends of the age range caution would need to be utilized when the scores are being inferred. The age range for the WAIS overlays with that of the Wechsler Intelligence Scale for Children (WISC) for individuals that are between 16 and 17 years of age, and it is recommended that the WISC offers a better quantity for this age range (Weber, 2009).

As mentioned earlier, the Stanford-Binet Intelligence Scale is looked at as being one of the best and most extensively used intelligence tests presented. It is particularly handy in providing intellectual assessment in young children, young adults and adolescents. The test has been condemned for not being similar for all age ranges as talked about earlier. This is for the reason that different age ranges are administered diverse subtests. In addition, for very young preschoolers, it is not rare to obtain a score of zero by reason of test difficulty or the child's reluctance to cooperate. As a result, it is difficult to discriminate talents in this age group among the scorers that are lower.

Interpretation and administration and of results of the Stanford-Binet Intelligence Scale requires a competent examiner who is trained in psychology and individual intellectual evaluation, if likely a psychologist.

Results from Studies

As mention earlier, The Stanford-Binet Intelligence Scale is a standardized test, which means that a big sample of adults and children were administered the exam as a means of creating some kinds of test norms (Turk, Das, Howlin, & Barber, 2004). The population in the some samples was representative of the population of the United States based on geographic region, gender, age, race or ethnic group, parental education, community size, educational placement (normal as opposed to special classes). From this sample, standards were recognized. Norms are considered to be the performance of a comparison group of participants -- that nature of the group should be stated, and this typically establishes a normal group so that the performance of the tested individual can be compared to this group and as a result evaluated.

The amounts of correct responses on the given subtests are altered to a SAS score or Standard Age Score which is founded on the sequential age of the test subject (Arrigo, 2009). This score is parallel to an I.Q. score. Centered on these standards, the Test Composite and Area Scores on the Stanford-Binet Intelligence Scale each have an average or mean score of around 100 and also a standard deviation of about 16. For this type of test, as with a lot of measures of intelligence, a score of 100 is considered to be the average or normal range. Research shows that the standard deviation will display how below or above the norm a child's score should be. For instance, a score of about 84 is one standard deviation below the norm score of 100 (Weber, 2009). Established on the number of responses that are correct on a given subtest, an age-equivalent is made available in order to help in interpreting the individual's level of functioning.

Further research makes the point that test scores provide an approximation of the level at which a child is functioning based on a mixture of countless different subtests or measures of abilities. A trained psychologist is wanted to interpret and evaluate the results, regulate strengths and weaknesses, and make general recommendations founded on the findings and observed behavioral explanations.

The WAIS provokes an overall intelligence quotient, which is called the full-scale IQ, as well as a performance IQ and verbal IQ. The three IQ scores are identical in a certain way that the scores have a standard deviation of 15 and mean of 100. Wechsler pioneered the use of deviation IQ scores, permitting test takers to be compared to others of different in addition to the same age. The research shows that the WAIS scores are sometimes changed into percentile ranks (Arrigo, 2009). The performance and verbal IQ scores are founded on scores on what is known as the 14 subtests. The research shows that the 14 subtest scores have a mean of 10 and then a standard deviation of about three (Turk, Das, Howlin, & Barber, 2004). The WAIS likewise provokes four directories, each founded on a dissimilar set of subtests: perceptual organization, processing speed verbal comprehension, and working memory.

According to Maeda, Kita, Miyawaki, & Takeuchi, (2012) the full-scale IQ is founded on scores on all of the subtests and is a replication of both performance IQ and verbal IQ. It is considered as being the single most valid and reliable score elicited by the WAIS. On the other hand, when an examinee's performance and verbal IQ scores differ meaningfully, the full-scale IQ should be understood cautiously.

The performance IQ

According to the WAIS performance IQ is resulting from scores on the continuing seven subtests: picture arrangement, picture completion, object assembly, block design, digit symbol, symbol search and matrix reasoning. Matrix symbol and reasoning search are new subtests and were added to the most recent edition of the WAIS (WAIS-III) (Reichenberg, Weiser, & Rabinowitz, 2002).

Research shows that in the picture completion subtest, the test taker is required to complete pictures with elements that are missing. The picture arrangement subtest involves arranging pictures so as to tell a story. The block design subtest necessitates test takers to utilize blocks to make exact designs. The object assembly subtest involves individuals to accumulate pieces in such a way that a whole object is constructed. In the digit symbol subtest, symbols and digits are accessible as pairs and test takers then must pair additional digits and symbols (Emerson, Einfeld, & Stancliffe, 2010). The matrix reasoning subtest entails test takers to recognize geometric shapes. The symbol search subtest entails examinees to match symbols that are being shown in various groups. Scores… [END OF PREVIEW] . . . READ MORE

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