![]() ![]() The SB5 is used to diagnose a wide variety of developmental disabilities and can be used as part of early childhood assessment, psychoeducational evaluations for special education services, and for later career development planning ( Royd, 2003a, 2003b). The Stanford-Binet Intelligence Scales, Fifth Edition (SB5) is an individually administered measure of intelligence and cognitive abilities for persons 2–85 years and older. The Wechsler Adult Intelligence Scale – Fourth Edition (WAIS-IV) measures an adult's intellectual ability and is appropriate for persons 16.0–90.11 years ( Wechsler, 2008). The Wechsler Intelligence Scale for Children – Fifth Edition (WISC–V) measures a child's intellectual ability and is appropriate for children 6.0–16.11 years ( Wechsler, 2014). The Wechsler Preschool and Primary Scale of Intelligence – Fourth Edition (WIPPSI-IV) measures cognitive development in preschoolers and young children ages 2.6–7.7 years ( Wechsler, 2012). The Wechsler scales include three individually administered scales of intelligence. The Wechsler Intelligence Scales, Stanford-Binet Intelligence Scales, the Bayley Scales of Infant and Toddler Development, and the Kauffman Assessment Battery for Children, Second Edition are four standardized and clinically and legally accepted measures of intellectual function. Ahsan, in Reference Module in Neuroscience and Biobehavioral Psychology, 2017 Intelligence To ensure external validity and test fairness, the items were evaluated across genders, and among members from various cultural, linguistic, racial, ethnic and religious groups. Reliability for the NVIQ domain was slightly lower and ranged from r = 0.89 to 0.93 ( Strauss et al., 2006).Ĭontent validity was established using diverse methods such as extensive literature review, factor analyses of previous editions of the Stanford-Binet, item response theory modeling, expert advice, user surveys, and pilot studies ( Roid, 2003 Strauss et al., 2006). Across all age groups, reliability measures for the FSIQ and VIQ domain were very high and ranged between r = 0.93 and 0.95. In order to evaluate test-retest reliability, after a time interval of five to eight days between the first and second administration of the test, correlations were examined in four primary age groups: preschoolers (age 2–5), children and young adults (6–20), adults (21–59), and older adults (60+) ( Roid, 2003). Internal reliability was also impressive among the five subtests with mean coefficients ranging from r = 0.84 to 89 ( Strauss et al., 2006). Both the verbal and nonverbal IQ domains were also found to have high reliability with respective averages of r =0. The internal consistency coefficient for the FSIQ composite score is very high and ranges from r =0. The SB5 test demonstrates high scores across various measures of reliability. Therefore, the SB5 consists of 10 subtests in total that yield composite scores of a verbal IQ (VIQ), a non-verbal IQ (NVIQ), and full-scale IQ (FSIQ). Each of these five factors both has a verbal and non-verbal subtest. The SB5 test is divided into two domains: a verbal and non-verbal domain and the test measures five CHC factors: fluid intelligence (Gf), crystallized knowledge (Gc), quantitative knowledge (Gq), visual processing (Gv), and short-term memory (Gsm). The SB5 is heavily based on the aforementioned CHC theory. ![]() The Stanford Binet Scales-Fifth Edition (SB5) is intended for examinees between the ages of 2 and 85 years old ( Roid, 2003). Zakzanis, in Comprehensive Clinical Psychology (Second Edition), 2022 4.08.3.2.3 Stanford-Binet 5
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