Table 2.
Neuropsychological Battery and Variables Selected for Study Entry Assessments
| Cognitive Domain (a priori)a | Test | Variable Employed | Normative Population (N; age range) |
| Verbal IQ | Vocabulary test (Mehrfach-Wortschatz-Test)31 | Raw score correct | 1952; 2064 y31 |
| Working memory | Letter-Number Span35 | Raw score correct | 30; 17–60 y35 |
| Speed of processing | Trail-Making Tests (B, B/A)32 | Time to completion | 84; >15 y32 |
| Verbal fluency (letters/categories)33 | Sum of correct responses | S-words: 567; 8–15 y, 18–65 y33 | |
| p-words: 633; 8–15 y, 18–65 y33 | |||
| Animals: 634; 8–15 y, 18–65 y33 | |||
| Professions: 633; 8–15 y, 18–65 y33 | |||
| Reasoning and problem solving | Wisconsin Card Sorting Test (64-card deck)37 | Perseverative errors | 897; 7–89 y37 |
| Categories completed | |||
| Verbal learning and memory | Rey Auditory Verbal Learning Test34 | Total recall, trials 1–5 | 515; 6–79 y34 |
| Delayed recall total raw scores | |||
| Sustained Attention | Testbatterie zur Aufmerksamkeitsprüfung36 | Commission/omission errors | 200; 7–90 y36 |
| Alertness | Testbatterie zur Aufmerksamkeitsprüfung36 | Reaction time | 533; 6–19 y/599; 20–89 y36 |
a
Functional domains according to National Institute of Mental Health—Measurement and Treatment Research to Improve Cognition in Schizophrenia.