Table 4.
Full battery of tests and their acronyms
| Instrument | Rater | Acronym |
|---|---|---|
| Apathy scale | Patient | Apathy scale |
| Barratt Impulsiveness Scale | Patient | BIS |
| Beck Depression Inventory II | Patient | BDI |
| Empathy Quotient | Patient | EQ |
| Geriatric Anxiety Inventory | Patient | GAI |
| Questionnaire for Impulsive-Compulsive Disorders in PD Rating Scale | Patient | QUIP-RS |
| Barratt Impulsive Scale—Caregiver Version | Caregiver | Caregiver-rated BIS |
| Empathy Quotient—Caregiver Version | Caregiver | Caregiver-rated EQ |
| Relationship Quality Inventory | Caregiver | RQI |
| Zarit Burden Interview | Caregiver | ZBI |
| Delay Discounting Test | Clinician | Delay discounting |
| Excluded Letter Fluency Test | Clinician | ELF |
| Hayling Test | Clinician | Hayling |
| Mini-Mental State Examination | Clinician | MMSE |
| Montreal Cognitive Assessment | Clinician | MOCA |
| Unified Parkinson’s Disease Rating Scale Part III Motor Examination | Clinician | UPDRS |