Final answer:
The WAIS provides an overall intelligence score and separate scores specifically for verbal comprehension, perceptual reasoning, and working memory.
Step-by-step explanation:
The WAIS and its Assessment Scores
The Wechsler Adult Intelligence Scale (WAIS) is an IQ test designed to measure intelligence and cognitive ability in adults and older adolescents. The test provides not only an overall intelligence score but also separate scores for different cognitive abilities. As per the question, the correct specific abilities that the WAIS yields separate scores for are: c) Verbal comprehension and perceptual reasoning as well as d) Working memory. These are consistent with the division of cognitive abilities assessed in intelligence tests, which often include orientation and memory, language and speech, and judgment and abstract reasoning as measured by various subtests. The WAIS is part of a suite of tests by Wechsler, with others like the WISC-V focusing on children, and they are periodically updated to maintain standards and relevance.