Intelligence tests appeared in the early 20th century. The first attempts to measure mental abilities were made by the French psychologist Alfred Binet, who developed a test to identify children with ...

Common achievement tests used to diagnose a learning disability include the Woodcock-Johnson Tests of Achievement (WJ), the Wechsler Individual Achievement Test (WIAT), the Wide Range Achievement ...

In the English-speaking world, the most commonly used individual IQ test series is the Wechsler Adult Intelligence Scale, or WAIS. There’s an equivalent for children, too. But there are numerous ...

Hamburg-Wechsler-Test, von D. Wechsler und Bondy (Hamburg) entwickelter Test zur Ermittlung des Intelligenzquotienten (IQ), der aus einem sprachlichen und einem sprachfreien Anteil besteht und als ...