Table 1.
WISC-III subtests and abilities measured
| Subtest | Abilities |
|---|---|
| Verbal | |
| Information | Range of knowledge, long term memory |
| Similarities | Abstract reasoning, concept formation |
| Arithmetic | Numerical reasoning and computation |
| Vocabulary | Word knowledge |
| Comprehension | Practical knowledge, social judgment |
| Digit Span | Auditory short-term memory |
| Performance | |
| Picture Completion | Visual perception, attention to detail |
| Coding | Visual–motor information processing |
| Picture Arrangement | Nonverbal reasoning and sequencing |
| Block Design | Spatial visualization and reasoning |
| Object Assembly | Visual perception and organization |
| Symbol Search | Scanning, matching, attention to detail |