An example of an Intelligence test is the Wechsler Adult Intelligence Scale (WAIS). WAIS measures different aspects of intelligence in adults, including verbal comprehension (vocabulary, similarities, information), perceptual reasoning (block design, matrix reasoning), Working memory (digit span, arithmetic), and processing speed (symbol search, coding). The test-takers complete tasks or answer questions under standardized conditions, producing subtest scores that are combined to calculate a Full-Scale IQ.

The Wechsler Adult Intelligence Scale (WAIS) has its own strengths and weaknesses.

Its strengths are:

• It is comprehensive, as it covers multiple domains of intelligence rather than a single skill.
• It is standardized and reliable because it provides consistent scoring and norms across populations.
• It has diagnostic value because it can identify cognitive strengths and weaknesses for educational or clinical planning.

While its weaknesses are:

• It is cultural and language bias because some items may favor certain cultural or educational backgrounds.
• It is time-consuming and resource-intensive because it requires trained administrators and careful scoring.
• It has limited scope for learning potential, while it measures cognitive ability, it may not capture creativity, emotional intelligence, or practical problem-solving in real-life contexts.