151 instruments available digitally in English, plus 32 clinical-reference instruments (physical kits or copyright-protected).
Depression
Patient Health Questionnaire (9 items) — depression screening and severity.
Anxiety
Generalized Anxiety Disorder scale (7 items).
Perinatal
Edinburgh Postnatal Depression Scale (10 items).
Stress
Perceived Stress Scale (10 items).
Wellbeing
WHO Well-Being Index (5 items).
Self-esteem
Rosenberg Self-Esteem Scale (10 items).
Substance use
Alcohol Use Disorders Identification Test (10 items).
Mood / Anxiety / Stress
Depression, Anxiety and Stress Scales — 21-item version.
Psychological distress
Kessler Psychological Distress Scale (10 items).
Sleep
Insomnia Severity Index (7 items).
ADHD
Adult ADHD Self-Report Scale — 6-item screener.
Anxiety / Depression
Hospital Anxiety and Depression Scale (14 items).
Eating
Eating Attitudes Test (26 items).
Bipolar
Mood Disorder Questionnaire — bipolar screening.
Trauma / PTSD
PTSD Checklist for DSM-5 (20 items).
Wellbeing
Satisfaction With Life Scale (5 items) — Diener.
Wellbeing
8-item eudaimonic wellbeing measure (Diener).
Somatic symptoms
Somatic Symptom Severity Scale (15 items).
Social support
Multidimensional Scale of Perceived Social Support (12 items).
Worry
Penn State Worry Questionnaire (16 items).
Social anxiety
Social Phobia Inventory (17 items).
Wellbeing
Mental Health Continuum — Short Form (14 items, Keyes).
Coping
28-item Brief COPE inventory (Carver, 1997).
Trauma / PTSD
Impact of Event Scale — Revised (22 items).
Loneliness
3-item UCLA Loneliness Scale.
Anxiety
Ultra-brief 2-item anxiety screener. Cutoff ≥3.
Depression
Ultra-brief 2-item depression screener. Cutoff ≥3.
Substance use
3-item alcohol screen. Cutoff ≥4 men / ≥3 women.
Burnout
Copenhagen Burnout Inventory — Personal subscale (6 items).
Burnout
Burnout Assessment Tool short form (Schaufeli et al., 2020).
Meaning / Purpose
Meaning in Life Questionnaire (10 items, Steger).
Wellbeing
Scale of Positive and Negative Experience (12 items).
Personality
Big Five Inventory-2 Short Form (30 items, Soto & John).
Suicide risk
Suicidal Behaviors Questionnaire-Revised (4 items).
Trauma / PTSD
Primary Care PTSD Screen for DSM-5 (5 items).
Anxiety
Hamilton Anxiety Rating Scale (14 items, clinician-rated).
Substance use
4-item alcohol use disorder screen.
Substance use
Drug Abuse Screening Test (10 items).
Eating
5-item eating disorder screen.
Geriatric
Geriatric Depression Scale (15 items).
OCD
Obsessive-Compulsive Inventory-Revised (18 items).
Sleep
Epworth Sleepiness Scale (8 items).
ADHD (child)
Swanson-Nolan-Pelham ADHD scale — 18-item parent/teacher version.
Autism (adult)
Ritvo Autism Diagnostic Screener — 14 items.
Autism (adult)
Autism-Spectrum Quotient — 10-item ultra-brief screener.
Depression
Zung Self-Rating Depression Scale (20 items).
Grief
Prolonged Grief Disorder Scale (13 items, Prigerson).
Social anxiety
Liebowitz Social Anxiety Scale — self-report (24 situations, fear + avoidance).
OCD
Yale-Brown Obsessive Compulsive Scale (10 items, obsessions + compulsions).
OCD
Dimensional Obsessive-Compulsive Scale (20 items, 4 dimensions).
Grief
Inventory of Complicated Grief (19 items, Prigerson).
Anxiety
Overall Anxiety Severity and Impairment Scale (5 items).
Functional impairment
Work and Social Adjustment Scale (5 items, Mundt).
Alexithymia
Toronto Alexithymia Scale (20 items, 3 factors).
Anxiety sensitivity
Anxiety Sensitivity Index-3 (18 items, physical/cognitive/social).
Child anxiety
Screen for Child Anxiety Related Disorders (41 items, ages 8–18).
Substance use
Fagerström Test for Nicotine Dependence (6 items).
Family
Smilkstein 5-item family functioning screen.
Family
Family Adaptability and Cohesion Evaluation Scale (20 items, Olson).
Geriatric
Instrumental Activities of Daily Living (8 items).
Distress
Kessler-6 psychological distress scale.
Anxiety / Depression
Ultra-brief anxiety + depression screener (GAD-2 + PHQ-2).
Burnout
Copenhagen Burnout Inventory — work-related subscale (7 items).
Burnout
Copenhagen Burnout Inventory — client/patient subscale (6 items).
Social support
Functional Social Support Questionnaire (11 items).
Stress
Perceived Stress Scale — 4-item short form (Cohen).
Depression
Montgomery-Åsberg Depression Rating Scale (10 items, clinician-rated).
Wellbeing
Warwick-Edinburgh Mental Wellbeing Scale (14 items).
Depression
Major Depression Inventory (WHO, 10 items).
Emotion regulation
Emotion Regulation Questionnaire — Reappraisal + Suppression (10 items, Gross & John).
Mindfulness
Mindful Attention Awareness Scale (15 items, Brown & Ryan).
Work engagement
Utrecht Work Engagement Scale — 9-item short form (Schaufeli).
Adolescent depression
Kutcher Adolescent Depression Scale (11 items, ages 12–17).
Child mental health
Pediatric Symptom Checklist — 17-item parent report.
Depression
Hamilton Depression Rating Scale (17 items, clinician-rated).
Mindfulness
Five Facet Mindfulness Questionnaire — Short Form (15 items).
Affect
Positive and Negative Affect Schedule (20 items, Watson et al.).
Resilience
Brief Resilience Scale (6 items, Smith 2008).
ACT / flexibility
Acceptance and Action Questionnaire-II (7 items, Bond).
ACT / cognition
Cognitive Fusion Questionnaire (7 items, Gillanders).
Anxiety
Intolerance of Uncertainty Scale — short (12 items).
Helper wellbeing
Professional Quality of Life — CS, Burnout, STS (30 items, Stamm).
Child anxiety/depression
Revised Child Anxiety & Depression Scale — short (25 items).
Adolescent depression
PHQ modified for adolescents (9 items, ages 11–17).
Irritability
Affective Reactivity Index (6 items, Stringaris).
Child anxiety
Multidimensional Anxiety Scale for Children — short (10 items).
Quality of life
WHO Quality of Life short assessment (26 items, 4 domains).
Sleep
Pittsburgh Sleep Quality Index — abbreviated screener (9 items).
Autism (toddler)
Modified Checklist for Autism in Toddlers — Revised (20 items, ages 16–30 mo).
Caregiver burden
Zarit Burden Interview — 12-item short form (Bédard).
Child/adolescent mental health
Strengths and Difficulties Questionnaire — self-report ages 11–17 (25 items).
Autism (child)
Childhood Autism Spectrum Test (37 items, ages 4–11).
Bipolar
Bipolar Spectrum Diagnostic Scale (Ghaemi).
Bipolar
Hypomania Checklist (32 items, Angst).
Bipolar
Young Mania Rating Scale (11 items, clinician-rated).
Adult ADHD
Wender Utah Rating Scale — retrospective childhood ADHD (25 items).
Dyslexia / learning
Dyslexia Signs Checklist — Child (24 items, ages 6–16, parent/teacher report). PsicoTest Pro original screener.
Dyslexia / learning
Dyslexia Signs Checklist — Adult (20 items, self-report, 17+). PsicoTest Pro original screener.
Copyright-protected or physical-kit instruments. Not administered digitally; manual score entry available where noted.
Intelligence (adult)
Wechsler Adult Intelligence Scale — 4th ed. Physical kit; manual score entry supported.
Intelligence (child)
Wechsler Intelligence Scale for Children — 5th ed. Physical kit; manual score entry supported.
Intelligence (preschool)
Wechsler Preschool and Primary Scale of Intelligence — 4th ed.
Non-verbal reasoning
Standard/Colored/Advanced matrices. Manual entry only.
Brief intelligence
Kaufman Brief Intelligence Test — 2 subtests.
Non-verbal intelligence
Leiter International Performance Scale — 3rd ed.
Personality
Minnesota Multiphasic Personality Inventory-2 (567 items). Restricted use.
Personality
MMPI-2 Restructured Form (338 items). Restricted use.
Personality / clinical
Millon Clinical Multiaxial Inventory — 4th ed.
Personality
Cattell 16 Personality Factors — 5th ed.
Personality
Revised NEO Personality Inventory (240 items).
Personality
Eysenck Personality Questionnaire — Revised Short.
Autism (camouflaging)
Camouflaging Autistic Traits Questionnaire (25 items). Author permission required.
Depression
Beck Depression Inventory-II. Restricted; manual score entry available.
Anxiety
Beck Anxiety Inventory. Restricted; manual score entry available.
Anxiety
State-Trait Anxiety Inventory (Spielberger).
Child depression
Children's Depression Inventory — 2nd ed.
Child anxiety
State-Trait Anxiety Inventory for Children.
ADHD (child)
Conners' Rating Scales — 3rd ed. Manual score entry supported.
Adult ADHD
Conners' Adult ADHD Rating Scales.
Executive function
Behavior Rating Inventory of Executive Function — 2nd ed.
Preschool behavior
Child Behavior Checklist — preschool version (Achenbach).
Child/adolescent behavior
Behavior Assessment System for Children — 3rd ed.
Child/adolescent behavior
Behavior Assessment System for Children — 4th ed.
Projective
Rorschach Performance Assessment System. Clinician training required.
Projective
Thematic Apperception Test (Murray).
Violence risk
Historical Clinical Risk Management — 20 items.
Meaning / purpose
Purpose in Life Test (Crumbaugh & Maholick).
Projective
Copyrighted color-preference test.
Projective
Wartegg Drawing Completion Test.
Reading processes
Reading Processes Assessment Battery (Cuetos et al., TEA). Physical kit; manual score entry supported.
Writing processes
Writing Processes Assessment (Cuetos et al., TEA). Physical kit; manual score entry supported.