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ICD-9-CM. 94.01. MeSH. D014888. The Wechsler Adult Intelligence Scale ( WAIS) is an IQ test designed to measure intelligence and cognitive ability in adults and older adolescents. [ 1] For children between the ages of 6 and 16, Wechsler Intelligence Scale for Children (WISC) is commonly used. The original WAIS (Form I) was published in February ...
Pearson's correlation coefficient, when applied to a population, is commonly represented by the Greek letter ρ (rho) and may be referred to as the population correlation coefficient or the population Pearson correlation coefficient. Given a pair of random variables (for example, Height and Weight), the formula for ρ [10] is [11] where.
The Wide Range Achievement Test, currently in its fifth edition ( WRAT5 ), is an achievement test which measures an individual's ability to read words, comprehend sentences, spell, and compute solutions to math problems. [1] The test is appropriate for individuals aged 5 years through adult. The WRAT5 provides two equivalent forms (Blue and ...
The foundations of statistics consist of the mathematical and philosophical basis for arguments and inferences made using statistics. This includes the justification for the methods of statistical inference, estimation, and hypothesis testing, the quantification of uncertainty in the conclusions of statistical arguments, and the interpretation ...
Pearson's chi-squared test or Pearson's test is a statistical test applied to sets of categorical data to evaluate how likely it is that any observed difference between the sets arose by chance. It is the most widely used of many chi-squared tests (e.g., Yates , likelihood ratio , portmanteau test in time series , etc.) – statistical ...
Peabody Individual Achievement Test. The Peabody Individual Achievement Test is a criterion based survey of an individual’s scholastic attainment. It can be administered to individuals between the ages of five and 22 years of age, and returns a grade range between Kindergarten and grade 12. [1] The test is available in English and Spanish.
The California Basic Educational Skills Test ( CBEST) is a standardized test administered in the state of California. It is available as an option in Oregon and Nevada. The test is intended to score basic proficiency in reading, mathematics, and writing. The test is divided into three sections: the reading and math sections each containing 50 ...
Karl Pearson FRS FRSE [1] ( / ˈpɪərsən /; born Carl Pearson; 27 March 1857 – 27 April 1936 [2]) was an English eugenicist, mathematician, and biostatistician. [3] [4] He has been credited with establishing the discipline of mathematical statistics. [5] [6] He founded the world's first university statistics department at University College ...