Are high range IQ tests valid?
It is questionable whether IQ can be measured accurately above 160. The most respected and well-validated tests, such as the Wechsler and Stanford-Binet series, do not even claim to measure IQ above that range.
What is the validity of IQ tests?
According to Weiten, “IQ tests are valid measures of the kind of intelligence necessary to do well in academic work. But if the purpose is to assess intelligence in a broader sense, the validity of IQ tests is questionable.” Some scientists have disputed the value of IQ as a measure of intelligence altogether.
Do IQ tests have predictive validity?
Predictive Validity of IQ. It is undoubtedly true that moderate correlations between IQ and those criteria have been reported. It is widely accepted that test scores predict school achievement moderately well, with correlations of around 0.5 (Mackintosh, 2011).
What IQ test is most reliable?
The Wechsler Adult Intelligence Scale (WAIS) was designed by David Wechsler to assess cognitive ability in the ’50s. Since then, the tests have been adapted multiple times and continue to be widely used today. In fact, the WAIS is perhaps the most trusted of all IQ tests for adults.
How do you join the high IQ society?
You can join us if you are at least 15 years old and have an IQ score in the top five percent on any of our accepted tests, preferably our official admissions IQ test. Scores are not always distributed in the same way following different tests, but for a standard deviation of 15, this should be at least a 124 IQ.
How do you predict validity?
Predictive validity is determined by calculating the correlation coefficient between the results of the assessment and the subsequent targeted behavior. The stronger the correlation between the assessment data and the target behavior, the higher the degree of predictive validity the assessment possesses.