The differences between the IVA-2 and IVA-QS programs are outlined in the chart below:
| Features | IVA-2 | IVA-QS |
|---|---|---|
| Primary Purpose | Clinical diagnosis and in-depth analysis | Quick screening test |
| Assesses Both Visual and Auditory Modalities? | YES | YES |
| Age Range for Norms? | 6-96 (N=1700, divided by age/gender) | 6-96 (N=1700, divided by age/gender) |
| Test Length? | 15 mins | 8 mins |
| Free Online Parent, Teacher, and Self Rating Scales? | YES | YES |
| Number of Test Scales? | 82 | 32 |
| Malingering Included? | YES | NO |
| Test-Retest Reliability? | High | High |
| Technician Can Administer? | YES | YES |
| Standard 3-Year License with Report Writer? Charged Per Test and Per Report | YES | YES, test purchase includes reports |
| Deluxe 3- Year License with Report Writer? Unlimited Tests. Reports Purchased as Needed | YES | NO |
| Premium 3-Year License with Report Writer? Unlimited Tests, Unlimited Reports | YES | YES |
| Number of Types of Data Analysis? | 10 | 2 |
| Number of Different Types of Reports Available? | 9 | 3 |
| Purchase Only Tests Without Reports? | YES | NO |
| Built-In Word Processor for Reports? | YES | YES |
| Diagnostic Report to Guide ADHD Diagnosis? | YES | YES |
| Comparative Report for Evaluating Medical or Psychosocial Interventions? | YES | YES |
| Integrates ADHD Rating Scales into Diagnostic Report? | YES | YES |
| Tech Support and Updates Included for Duration of License? | YES | YES |
| Diagnostic Accuracy | 90% More Info | 87% More Info |
| AVAILABLE REPORTS | ||
| Standard Report | YES | YES |
| ADHD Rating Scale Report | YES | YES |
| Comparative Report | YES | YES |
| Diagnostic Report | YES | YES |
| Detailed Report | YES | NO |
| Comprehensive Report | YES | NO |
| Sustained Attention Report | YES | NO |
| High/Low Demand Report | YES | NO |
| Sensory Modality Report | YES | NO |
