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An intelligence quotient (IQ) is a total score derived from a set of standardized tests or subtests designed to assess human intelligence. The abbreviation "IQ" was coined by the psychologist William Stern for the German term Intelligenzquotient, his term for a scoring method for intelligence tests at University of Breslau he advocated in a 1912 book.
The Stanford–Binet Intelligence Scales is an individually administered intelligence test that was revised from the original Binet–Simon Scale by Lewis Terman, a psychologist at Stanford University. The Stanford–Binet Intelligence Scale is now in its fifth edition (SB5) and was released in 2003. It is a cognitive ability and intelligence test that is used to diagnose developmental or intellectual deficiencies in young children. The test measures five weighted factors and consists of both verbal and nonverbal subtests. The five factors being tested are knowledge, quantitative reasoning, visual-spatial processing, working memory, and fluid reasoning.
Paul Ekman is an American psychologist and professor emeritus at the University of California, San Francisco who is a pioneer in the study of emotions and their relation to facial expressions. He was ranked 59th out of the 100 most cited psychologists of the twentieth century. Ekman conducted seminal research on the specific biological correlations of specific emotions, attempting to demonstrate the universality and discreteness of emotions in a Darwinian approach.
Nonverbal communication (NVC) is the transmission of messages or signals through a nonverbal platform such as eye contact, facial expressions, gestures, posture, and body language. It includes the use of social cues, kinesics, distance (proxemics) and physical environments/appearance, of voice (paralanguage) and of touch (haptics). It can also include the use of time (chronemics) and eye contact and the actions of looking while talking and listening, frequency of glances, patterns of fixation, pupil dilation, and blink rate (oculesics).
Cognitive tests are assessments of the cognitive capabilities of humans and other animals. Tests administered to humans include various forms of IQ tests; those administered to animals include the mirror test and the T maze test. Such study is important to research concerning the philosophy of mind and psychology, as well as determination of human and animal intelligence.
Raven's Progressive Matrices or RPM is a nonverbal test typically used to measure general human intelligence and abstract reasoning and is regarded as a non-verbal estimate of fluid intelligence. It is one of the most common tests administered to both groups and individuals ranging from 5-year-olds to the elderly. It comprises 60 multiple choice questions, listed in order of increasing difficulty. This format is designed to measure the test taker's reasoning ability, the eductive ("meaning-making") component of Spearman's g. The tests were originally developed by John C. Raven in 1936. In each test item, the subject is asked to identify the missing element that completes a pattern. Many patterns are presented in the form of a 6×6, 4×4, 3×3, or 2×2 matrix, giving the test its name.
Alan S. Kaufman is an American psychologist and writer known for his work on intelligence testing.
The Differential Ability Scales (DAS) is a nationally normed, and individually administered battery of cognitive and achievement tests. Currently into its second edition (DAS-II), the test can be administered to children ages 2 years 6 months to 17 years 11 months across a range of developmental levels.
Riverside Insights is a publisher of clinical and educational standardized tests in the United States; it is headquartered in Itasca, Illinois. It is also a charter member of the Association of Test Publishers.
The Otis–Lennon School Ability Test (OLSAT), published by the successor of Harcourt Assessment—Pearson Education, Inc., a subsidiary of Pearson PLC—is, according to the publisher, a test of abstract thinking and reasoning ability of children pre-K to 18. The Otis-Lennon is a group-administered, multiple choice, taken with pencil and paper, measures verbal, quantitative, and spatial reasoning ability. The test yields verbal and nonverbal scores, from which a total score is derived, called a School Ability Index (SAI). The SAI is a normalized standard score with a mean of 100 and a standard deviation of 16. With the exception of pre-K, the test is administered in groups.
Cognitive deficit is an inclusive term to describe any characteristic that acts as a barrier to the cognition process.
IQ classification is the practice by IQ test publishers of labeling IQ score ranges with category names such as "superior" or "average".
The Das–Naglieri cognitive assessment system (CAS) test is an individually administered test of cognitive functioning for children and adolescents ranging from 5 through 17 years of age that was designed to assess the planning, attention, simultaneous and successive cognitive processes as described in the PASS theory of intelligence.
The Cognitive Abilities Test(CogAT) is a group-administered K–12 assessment published by Riverside Insights and intended to estimate students' learned reasoning and problem solving abilities through a battery of verbal, quantitative, and nonverbal test items. The test purports to assess students' acquired reasoning abilities while also predicting achievement scores when administered with the co-normed Iowa Tests. The test was originally published in 1954 as the Lorge-Thorndike Intelligence Test, after the psychologists who authored the first version of it, Irving Lorge and Robert L. Thorndike. The CogAT is one of several tests used in the United States to help teachers or other school staff make student placement decisions for gifted education programs, and is accepted for admission to Intertel, a high IQ society for those who score at or above the 99th percentile on a test of intelligence.
The Naglieri Nonverbal Ability Test (NNAT) is a nonverbal measure of general ability designed by Jack A. Naglieri and published by Pearson Education. The Naglieri Nonverbal Ability Test - Individual Form was first published in 2004. Two versions were published in 2007 and 2008, respectively. This includes the group administered Naglieri Nonverbal Ability Test - Second Edition and the Naglieri Nonverbal Ability Test - Online version. The most current version is NNAT3. Like all nonverbal ability tests, the NNAT is intended to assess cognitive ability independently of linguistic and cultural background.
Cross-battery assessment is the process by which psychologists use information from multiple test batteries to help guide diagnostic decisions and to gain a fuller picture of an individual’s cognitive abilities than can be ascertained through the use of single-battery assessments. The cross-battery approach (XBA) was first introduced in the late 1990s by Dawn Flanagan, Samuel Ortiz and Kevin McGrew. It offers practitioners the means to make systematic, valid and up-to-date interpretations of intelligence batteries and to augment them with other tests in a way that is consistent with the empirically supported Cattell–Horn–Carroll (CHC) theory of cognitive abilities.
The Planning, Attention-Arousal, Simultaneous and Successive (PASS) theory of intelligence, first proposed in 1975, and later elaborated by Das, Naglieri & Kirby (1994) and Das, Kar & Parrila, (1996) challenges g-theory on the grounds that the brain is made up of interdependent, but separate, functional systems. Neuroimaging studies and clinical studies of individuals with brain lesions make it clear that the brain is modularized; for example, damage to a very specific area of the left temporal lobe will impair the production of spoken and written language. Damage to an adjacent area will have the opposite impact, preserving the individual's ability to produce, but not understand speech and text.
The Snijders-Oomen nonverbal intelligence tests, shortly the SON-tests, are intelligence tests appropriate for children and adults from two and a half to forty years old. The tests are called nonverbal because they can be administered without having to use written or spoken language. The manuals also contain verbal instructions, but the spoken text does not contain extra information compared to the non-verbal instructions. The way the tests are administered is adjusted to the communicative abilities of the subject in order to create a natural test situation. The tests provide an intelligence score that indicates how someone performs in comparison with other persons from the same age.
Bias in Mental Testing is a book by Arthur Jensen about bias in IQ tests.
Jagannath Prasad Das is an Indo-Canadian educational psychologist and an internationally recognized expert in educational psychology, intelligence and childhood development. Among his contributions to psychology are the PASS theory of intelligence and the Das-Naglieri Cognitive Assessment System. Das was the Director of the JP Das Developmental Disabilities Centre at the University of Alberta from to. He formally retired in 1996, and is currently Emeritus Director of the Centre on Developmental and Learning Disabilities and Emeritus Professor of Educational Psychology at the University of Alberta. He is a member of the Royal Society of Canada, was inducted into the Order of Canada and has an Honorary Doctorate degree from the University of Vigo in Spain.
References
- 1 2 "Naglieri Nonverbal Ability Test (NNAT)". APA Dictionary of Psychology. Retrieved 7 February 2019.
- ↑ "Homepage". Jack Naglieri Website. Retrieved 7 February 2019.
