Table 3 Measures
Instrument | Outcome variables | Time points |
|---|---|---|
SCID-I: Diagnostic and Statistical Manual of Mental Disorders-IV (DSM-IV) Axis I [53] | Â | Inclusion |
SIPS: Structured Interview for Prodromal Symptoms [9] | Â | Inclusion |
SCI-PANSS: Structured Clinical Interview for the Positive and Negative Syndrome Scale for Schizophrenia [54] | Positive, negative, disorganized, depressive and excited symptoms | T1, T2, T3 |
SCL-10: Symptoms Check List [62] | Total score | T1, T2, T3 |
WASI: Wechsler Abbreviated Scale of Intelligence [63] | Estimated IQ from Matrix Reasoning and Vocabulary | T1 |
WAIS-IV: Wechsler’s Adult Intelligence Scale, 4th edition [50] | or Estimated IQ from General Ability Index (GAI) | T1 |
BRIEF-A: Behavior Rating Inventory of Executive Function - Adult version [6] | Total raw score 9 subscale scores | T1, T2, T3 |
CPT3: Conners Continuous Performance Test 3rd edition [38] | Detectability (d’) raw score | T1, T2, T3 |
Digit Span from the Wechsler Adult Intelligence Scale – 4th edition, WAIS-IV [50] | Total number of correct trials from the forward, backwards and sequential conditions | T1, T2, T3 |
CWIT: Color-Word Interference Test from the Delis-Kaplan Executive Function System (D-KEFS) [64] | Time – raw scores in seconds Raw contrasts between conditions 4 versus 3 (switching) and between condition 3 versus 1 and 2 (inhibition) | T1, T2, T3 |
Tower task from D-KEFS [64] | Total achievement score | T1, T2, T3 |
UPSA-B: University of California San Diego Performance-based Skills Assessment, brief version [65, 66] | Total score on the finance and communication modules | T1, T2, T3 |
Hotel Task [59] | Time expressed in number of seconds deviating from optimal time distribution between five tasks | T1, T2, T3 |
SFS: Social Functioning Scale [67] | The scores from the subscales Independence Competence and Independence Performance | T1, T2, T3 |
GAF: Global Assessment of Functioning-Split Version [47] | GAF-F global function score | T1, T2, T3 |