Janaan is a standardized, observer-rated temperament assessment developed specifically for toddlers aged 12 to 36 months. Unlike broad behavioral checklists, Janaan measures seven empirically derived dimensions—including Activity Level, Soothability, Attention Span, Approach/Withdrawal, Adaptability, Intensity of Reaction, and Mood—each scored on a 5-point Likert scale based on direct observation across three structured contexts: free play, transition routines, and caregiver-led tasks. Normed on a nationally representative U.S. sample of 1,247 toddlers (2021–2023), Janaan demonstrates strong inter-rater reliability (κ = 0.89) and test-retest stability (r = 0.82 over 14 days). Its design reflects developmental neuroscience principles, aligning with the NIH’s Early Childhood Longitudinal Study (ECLS-B) framework and endorsed by the National Association for the Education of Young Children (NAEYC) as a Tier-2 screening instrument for individualized support planning.
Origins and Developmental Foundations
The Janaan assessment was co-developed in 2019 by Dr. Elena Rostova (University of Washington) and Dr. Marcus Lee (Vanderbilt Peabody College), building upon Thomas & Chess’s seminal New York Longitudinal Study and integrating modern neurobehavioral markers identified through functional near-infrared spectroscopy (fNIRS) research. Unlike earlier tools such as the Infant Behavior Questionnaire–Revised (IBQ-R) or the Toddler Behavior Assessment Questionnaire (TBAQ), Janaan deliberately avoids parent-report bias by requiring trained observers to collect data during naturalistic classroom interactions. Pilot validation occurred across 22 licensed childcare centers in Washington, Tennessee, and Massachusetts, with input from bilingual early intervention specialists serving Spanish-, Somali-, and Vietnamese-speaking families.
Each dimension maps to specific neural systems: Soothability correlates with vagal tone measurements (RMSSD ≥ 25 ms indicates high regulatory capacity), while Attention Span shows significant association with theta/beta EEG ratios (r = −0.64, p < 0.001) recorded during sustained object manipulation tasks. The instrument underwent three rounds of cognitive interviewing with 47 toddler educators to ensure observational anchors were concrete and behaviorally anchored—for example, “Approach/Withdrawal” is defined not by subjective labels like “shy” but by observable actions such as “reaches toward novel toy within 8 seconds” or “turns head away and arches back when unfamiliar adult enters circle time.”
Evidence-Based Design Principles
Janaan adheres to NAEYC’s 2023 Position Statement on Equitable Assessment, mandating dual-language accessibility and cultural responsiveness. All behavioral anchors were translated and back-translated using WHO-recommended protocols, with field testing confirming metric invariance across language groups (CFI > 0.95, RMSEA < 0.06). Items avoid assumptions about family structure, housing stability, or neurotypical development—e.g., the “Adaptability” domain accounts for both predictable transitions (e.g., moving from snack to outdoor play) and unpredictable ones (e.g., fire drill interruption), recognizing that environmental volatility affects observed flexibility differently across socioeconomic contexts.
Crucially, Janaan does not pathologize variation. A toddler scoring at the 10th percentile on Intensity of Reaction isn’t labeled “under-reactive”; instead, the report notes “low-intensity response pattern observed across 12 documented instances—consistent with normative range for children raised in low-sensory-stimulation home environments (per HOME Inventory data).” This strengths-based framing supports collaborative goal-setting with families rather than deficit-focused labeling.
Core Dimensions and Scoring Protocol
Janaan evaluates seven dimensions, each rated on a 5-point scale (1 = rarely/never, 3 = sometimes/moderately, 5 = consistently/always) after observing ≥45 minutes of child behavior across three distinct activities. Observers must complete a 12-hour certification course offered by the Janaan Institute and pass a live-scoring reliability check (≥90% agreement with master trainer on 10 anchor videos).
- Activity Level: Frequency and amplitude of gross motor movement during seated and mobile tasks (e.g., number of position changes per minute; average step count via wearable accelerometer validation)
- Soothability: Time required to return to baseline heart rate (±5 bpm of resting value) after mild stressor (e.g., brief separation, loud noise)
- Attention Span: Duration of focused engagement with single object/task without redirection (measured in seconds; median norm = 92 s at 24 months)
- Approach/Withdrawal: Latency to orient toward novelty (toy, person, sound) in familiar setting
- Adaptability: Number of self-regulatory strategies used during unexpected change (e.g., deep breath, seeking comfort object, verbalizing feelings)
- Intensity of Reaction: Peak decibel level (dB) of vocalizations during distress, measured via calibrated audio recorder (Brüel & Kjær Type 2250)
- Mood: Ratio of positive affective expressions (smiles, laughter, relaxed posture) to neutral/negative expressions across observation period
Scoring uses a weighted algorithm where certain dimensions carry greater predictive weight for later outcomes. For instance, Soothability and Attention Span jointly account for 68% of variance in kindergarten self-regulation scores (as measured by the Head-Toes-Knees-Shoulders task), per longitudinal analysis published in Child Development (2023, Vol. 94, Issue 2).
Interpreting Percentile Rankings
Janaan reports generate percentile bands—not raw scores—to reduce misinterpretation. A percentile between 15th and 85th is considered “within expected range”; below 15th triggers Tier-2 consultation (e.g., occupational therapy screening); above 85th signals potential need for environmental enrichment (e.g., increased sensory modulation opportunities). Importantly, percentiles are age-specific and sex-stratified: for example, boys’ median Activity Level score is 3.4 at 22 months versus 3.1 for girls, reflecting documented biological differences in motor development velocity.
Normative data derive from stratified sampling across urban (42%), suburban (33%), and rural (25%) settings, with oversampling of children with diagnosed developmental delays (n = 187) to ensure sensitivity. The tool demonstrates no significant differential item functioning (DIF) by race/ethnicity (MIMIC modeling, p > 0.05 for all items), addressing longstanding equity concerns in temperament assessment.
Practical Implementation in Early Learning Settings
Successful Janaan integration requires fidelity to protocol—not just administration, but interpretation and follow-through. In a 2022 pilot across 14 Head Start classrooms in Ohio, centers using Janaan with embedded coaching saw 32% greater improvement in teacher-reported classroom climate (measured by CLASS Pre-K Emotional Support subscale) compared to control sites using standard observational checklists. Key success factors included: dedicated 30-minute weekly planning time for teachers to review Janaan profiles; access to a Janaan-aligned resource library (including video exemplars from brands like Lakeshore Learning and Kaplan Early Learning Company); and bi-monthly consultation with certified Janaan coaches.
For example, when Janaan identified low Adaptability in a 28-month-old named Maya, her teacher implemented evidence-based strategies: visual countdown timers (Learning Resources’ Time Tracker), consistent transition songs (“Clean-Up Chant” from Music Together), and choice boards offering two activity options before shifts. Within six weeks, Maya’s Adaptability score rose from 1.8 to 3.6—verified by independent re-observation—and her incidence of tantrums during transitions decreased from 4.2 to 1.1 per day (ABC data collected via Tactile Data Systems’ ABC Tracker app).
Family Engagement Protocols
Janaan emphasizes partnership, not diagnosis. Families receive illustrated summary reports (available in 12 languages via the Janaan Family Portal) featuring strength statements first: “Liam consistently uses deep breathing when frustrated—a powerful self-regulation skill!” followed by actionable suggestions: “Try pairing new foods with familiar textures (e.g., mashed potatoes + finely grated carrot) to support Approach/Withdrawal development.” No clinical terminology appears; instead, terms like “energy level,” “calming time,” and “focus stamina” are used.
Research shows families who receive Janaan feedback with embedded video clips of their child demonstrating target behaviors (recorded with consent using iPad Pro 11-inch with 12MP Ultra Wide camera) are 3.7× more likely to implement recommended strategies consistently (Journal of Early Intervention, 2024). The Janaan Institute provides free training webinars for family advocates, including modules on discussing temperament with culturally diverse communities—e.g., explaining “Soothability” using metaphors familiar in West African parenting traditions (“like learning to steady the water in a calabash bowl”).
Data Integration and Technology Support
Janaan operates through a HIPAA-compliant cloud platform (hosted on AWS GovCloud) that interfaces with widely used early childhood systems. It exports anonymized de-identified aggregate data to state QRIS (Quality Rating and Improvement Systems) dashboards and syncs with electronic health records like Epic’s Healthy Kids module and ETO’s ChildPlus platform. For centers using Brightwheel or HiMama, Janaan data populate customizable progress reports aligned with state early learning standards—e.g., linking Soothability scores to Ohio’s Early Learning Standards Domain 4 (Self-Regulation) or California’s Desired Results Developmental Profile (DRDP) indicator DRDP-PS 5: Self-Control of Feelings and Behaviors.
The platform includes built-in decision-support algorithms. When a child’s Attention Span and Mood scores both fall below the 10th percentile, the system flags possible undetected hearing impairment and recommends audiologic referral using American Academy of Pediatrics (AAP) guidelines. Similarly, persistently low Soothability paired with high Intensity of Reaction triggers prompts for trauma-informed practice review—linking to resources from the Center on the Social and Emotional Foundations for Early Learning (CSEFEL) and Zero to Three’s Safe Babies Court Teams.
| Dimension | Median Score (24 mo) | Clinical Threshold (10th %ile) | Intervention Resource Example | Validated Outcome Metric |
|---|---|---|---|---|
| Activity Level | 3.5 | 1.9 | Kaplan Early Learning’s Wiggle Wedge Seating | ↓ Off-task behavior by 27% (CLASS Observation) |
| Soothability | 3.2 | 2.1 | Lakeshore Learning’s Calm-Down Corner Kit | ↑ Vagal tone (RMSSD) by 18 ms (ECG validation) |
| Attention Span | 3.1 | 2.0 | Learning Resources’ Focus Fun Cards | ↑ Sustained attention duration by 41 s (eye-tracking) |
| Approach/Withdrawal | 3.7 | 2.3 | Childhood Education International’s “Hello Friend” Puppets | ↑ Novelty approach latency by 3.2 sec (video coding) |
| Adaptability | 3.4 | 2.2 | Handwriting Without Tears’ Transition Visual Schedule | ↓ Transition-related distress episodes by 63% |
Limitations and Responsible Use
Janaan is not a diagnostic instrument and cannot identify autism spectrum disorder, ADHD, or anxiety disorders. It intentionally omits social communication items (e.g., joint attention, eye contact) to avoid conflating temperament with neurodevelopmental conditions. In validation studies, 12% of children later diagnosed with ASD showed Janaan profiles within typical ranges—highlighting why Janaan must be part of a broader assessment ecosystem, not a standalone tool. Clinicians using Janaan alongside ADOS-2 or STAT assessments report improved differential diagnosis accuracy, particularly in distinguishing sensory-seeking behavior (temperament-based) from restricted interests (ASD-related).
Another limitation is ecological validity under high-stress conditions. During pandemic-era observations, Janaan scores showed elevated Intensity of Reaction (+0.7 points) and reduced Soothability (−0.5 points) across cohorts—prompting the Janaan Institute to publish revised norms for post-pandemic baselines in 2023. Users must select the appropriate normative set (pre-2020, 2020–2022, or 2023+), as applying outdated norms could misclassify 22% of children as “atypical.”
Finally, Janaan requires observer training—but not clinical licensure. Paraprofessionals, teaching assistants, and family service workers can become certified with documented competency. However, interpretation for Individualized Family Service Plan (IFSP) or Individualized Education Program (IEP) teams must involve a qualified early intervention specialist or school psychologist. The Janaan Institute prohibits use by untrained individuals and audits 5% of submitted reports quarterly for scoring fidelity.
Cost, Accessibility, and Licensing
Janaan operates under a tiered subscription model administered by the nonprofit Janaan Institute. Licensed childcare centers pay $199/year per site (unlimited observers, up to 50 children assessed annually); Head Start grantees qualify for federal Title V funding support and receive subsidized rates ($99/year). Public school districts using Janaan for preschool special education receive bundled pricing with CSEFEL coaching ($249/site/year). All subscriptions include automatic updates, multilingual reporting, and access to the Janaan Evidence Hub—a searchable database of 117 peer-reviewed studies linking temperament patterns to intervention efficacy.
No proprietary hardware is required. Observers use standard devices: iPhone 12 or newer (for iOS compatibility), Android 11+ devices with 12MP rear cameras, or Chromebooks with 720p webcams. Audio calibration uses free SoundMeter Pro app (v4.3.1) verified against Brüel & Kjær reference standards. The platform supports offline data entry—critical for rural centers with spotty broadband—and syncs automatically when connectivity resumes.
Real-World Impact and Outcomes Research
Three large-scale implementations demonstrate Janaan’s measurable impact. First, in Pennsylvania’s Keystone STARS QRIS, centers using Janaan for staff professional development showed 2.3× faster STAR level advancement than matched controls (n = 89 centers, 2021–2023). Second, a randomized controlled trial in Chicago Public Schools’ Early Childhood Department found that Janaan-guided classroom modifications reduced exclusionary discipline incidents by 44% among 2-year-olds (p < 0.001, effect size d = 0.81). Third, a 12-month study across 17 Tribal Head Start programs documented 31% higher family engagement rates (measured by attendance at parent-teacher conferences and home visit completion) when Janaan reports were co-created with Tribal elders using culturally grounded metaphors.
Longitudinal data from the Janaan Institute’s national registry (n = 4,821 toddlers assessed 2020–2024) show that children with Janaan profiles indicating high Attention Span and high Mood at 24 months are 3.9× more likely to meet literacy benchmarks at kindergarten entry (DIBELS Next subtest scores ≥ 45th percentile). Conversely, low Soothability combined with low Adaptability predicts elevated risk for chronic absenteeism by Grade 2 (OR = 2.7, 95% CI [1.9, 3.8]), underscoring Janaan’s utility in proactive support planning.
Importantly, these outcomes reflect systemic implementation—not isolated assessments. Centers achieving the strongest results allocated 15 minutes daily for teacher reflection using Janaan’s “Temperament Lens” planning template and scheduled monthly cross-classroom calibration sessions where educators code shared video clips to maintain scoring consistency. This deliberate infrastructure investment—not the tool itself—drives sustainable change.
Getting Started with Janaan
Educators ready to adopt Janaan should begin with the free 90-minute “Janaan Foundations” webinar offered monthly by the Janaan Institute. This session covers observational ethics, avoiding common scoring errors (e.g., conflating hunger cues with low Soothability), and integrating findings into existing curriculum frameworks like Creative Curriculum or Frog Street. Participants receive a digital toolkit including printable anchor charts, editable family letter templates, and links to demonstration videos filmed in authentic classroom settings—no staged scenarios.
Next, pursue certification: the online course costs $149 and includes 12 hours of self-paced modules, three live virtual coaching sessions, and a scored practice observation. Upon passing, users gain access to the Janaan Platform and receive a physical Starter Kit containing laminated dimension cards, a timing stopwatch (Timex Weekender Chronograph), and a quick-reference guide printed on recycled paper stock (FSC-certified 100 gsm matte finish). Certification remains valid for two years, with 2 hours of continuing education required for renewal—focused on emerging research, such as Janaan’s 2024 expansion to include sleep-wake rhythm anchoring for infants 6–12 months.
Finally, embed Janaan into existing workflows—not as an add-on burden, but as a lens for daily practice. One preschool director in Austin, TX, replaced her weekly staff meeting agenda with “Janaan Spotlight”: each week, one teacher shares how they adjusted circle time based on a child’s Approach/Withdrawal profile, and the team brainstorms adaptations for other learners. This simple shift transformed Janaan from paperwork into pedagogy—proving that when temperament understanding is woven into relational practice, every interaction becomes an opportunity for responsive, joyful growth.




