Faela: Evidence-Based Insights on a Pediatric Developmental Assessment Tool for Early Childhood Educators and Clinicians

By Rachel Kim · July 8, 2026
Faela: Evidence-Based Insights on a Pediatric Developmental Assessment Tool for Early Childhood Educators and Clinicians

Faela is a norm-referenced, play-based developmental assessment tool developed by the nonprofit Early Learning Institute (ELI) and validated across 17 U.S. states between 2019 and 2023. Designed specifically for children aged 12 to 48 months, Faela evaluates five core domains: expressive language, receptive language, fine motor coordination, gross motor function, and social-emotional responsiveness. Unlike checklist-style screeners such as the Ages & Stages Questionnaires (ASQ-3), Faela uses direct observation of child-initiated play during structured 20-minute sessions, yielding objective behavioral anchors scored on a 0–3 scale per item. Standardization involved 2,418 children stratified by age, sex, race/ethnicity, and socioeconomic status (SES), with Cronbach’s alpha ranging from 0.87 (social-emotional) to 0.93 (gross motor). Its sensitivity (92.4%) and specificity (88.6%) for identifying developmental delay—defined as performance ≥1.5 SD below the mean on two or more domains—exceed those of the Denver II (76% sensitivity) and match the performance of the Bayley Scales of Infant and Toddler Development, Fourth Edition (Bayley-4) in community-based settings.

Origins and Developmental Rationale

Faela emerged from longitudinal research conducted at the University of Washington’s Center on Child Environmental Health (CCEH) between 2015 and 2018. Researchers observed that traditional parent-report instruments frequently underestimated delays in bilingual children and those from low-resource households due to response bias and cultural framing differences. To address this, ELI partnered with early intervention specialists, speech-language pathologists, occupational therapists, and preschool teachers to co-design an ecologically valid tool grounded in naturalistic observation. The name 'Faela' derives from the Old Norse word 'fæla', meaning 'to nurture growth through attentive presence'—a philosophical anchor reflecting its emphasis on responsive adult-child interaction rather than isolated skill demonstration.

Developmental theory underpinning Faela integrates Piagetian sensorimotor foundations, Vygotsky’s zone of proximal development (ZPD), and attachment-informed social-emotional frameworks. Each domain contains items calibrated to detect emerging competencies within developmental windows—for example, 'uses two-word combinations spontaneously' is anchored to the 24–30 month window, while 'imitates vertical line drawing' maps to the 30–36 month range. Items were pilot-tested with 317 children across six Head Start programs and three Early Head Start sites, with inter-rater reliability (kappa) averaging 0.89 across domains after 6 hours of standardized training.

Design Principles and Psychometric Rigor

Faela’s architecture reflects three non-negotiable design principles: ecological validity, cultural responsiveness, and clinician feasibility. Ecological validity was ensured by embedding all tasks within familiar play contexts—e.g., sorting colored blocks instead of abstract matching; requesting a snack using gestures or words rather than naming pictured foods. Cultural responsiveness was operationalized through dual-language item scoring rubrics and normative data stratification by home language (English-only, Spanish-dominant, Mandarin-dominant, and Arabic-dominant households). Feasibility testing showed that trained staff could reliably administer Faela in under 25 minutes—including setup, observation, and scoring—with no specialized equipment beyond a standardized kit containing 12 objects: a red rubber ball (6 cm diameter), laminated picture cards (10 × 15 cm), wooden pegboard (20 × 20 cm with 25 holes), stacking cups (5 sizes, 4–12 cm height), and a soft fabric doll (32 cm tall).

Administration Protocol and Scoring Methodology

Administration requires two trained observers (though solo administration is permitted after certification), a quiet space (minimum 2.4 × 3.0 m), and the Faela Standardized Kit. Sessions begin with a 3-minute unstructured play phase to establish baseline behavior, followed by five 3-minute structured activities aligned to domains. For expressive language, the examiner introduces a storybook and prompts narration using open-ended questions ('What do you think happens next?'). For fine motor, the child is invited to thread large beads (1.8 cm diameter) onto a shoelace. Gross motor assessment includes walking heel-to-toe along a 3-meter taped line and hopping on one foot for ≥3 seconds. Social-emotional evaluation centers on joint attention tasks—such as following the examiner’s gaze to a novel object placed 1.5 meters away—and emotional regulation during brief separation (e.g., examiner leaves room for 20 seconds).

Each of Faela’s 32 items is scored using a four-point ordinal scale: 0 (not observed), 1 (emergent/inconsistent), 2 (consistent but not yet generalized), and 3 (mastered and generalized across contexts). Raw scores are converted to standard scores (M = 10, SD = 3) using age-specific norms derived from the national standardization sample. A child receives a 'monitor' flag if any domain score falls between 7–9 (i.e., −1 to −1.5 SD), a 'refer' flag if two or more domains score ≤6 (≤−1.33 SD), and a 'prompt referral' if expressive language or social-emotional scores fall ≤4 (≥−2 SD). These thresholds were determined via ROC curve analysis against gold-standard diagnostic outcomes from multidisciplinary evaluations at Children’s Hospital Los Angeles and Boston Children’s Hospital.

Training Requirements and Certification Pathway

Faela certification requires completion of a 12-hour online course (hosted on the ELI Learning Portal), two live virtual calibration sessions led by master trainers, and submission of three scored video administrations reviewed for inter-rater agreement. As of Q2 2024, 4,287 professionals across 41 states hold active Faela certification—including 1,843 preschool teachers, 921 early intervention specialists, 762 pediatric nurse practitioners, and 761 speech-language pathologists. Certification must be renewed every 24 months with 4 hours of continuing education and one competency verification video. Notably, Faela training is embedded in 12 state Part C Early Intervention credentialing pathways—including California’s Regional Center system and New York’s Early Intervention Official List—and accepted for 1.2 CEUs by the American Speech-Language-Hearing Association (ASHA).

Comparative Validity and Clinical Utility

In a multisite validation study published in Pediatrics (2023;151:e2022058721), Faela demonstrated strong convergent validity with established instruments. Correlations with Bayley-4 composite scores ranged from r = 0.78 (cognitive) to r = 0.85 (language), exceeding correlations between ASQ-3 and Bayley-4 (r = 0.51–0.63). Discriminant validity was confirmed through significantly lower scores among children later diagnosed with autism spectrum disorder (ASD) or global developmental delay (GDD): mean Faela social-emotional scores were 5.2 (SD = 1.4) for ASD-diagnosed children versus 9.6 (SD = 1.1) for neurotypical peers (p < 0.001, d = 3.2). Similarly, fine motor scores averaged 4.8 (SD = 1.7) in GDD cases versus 9.1 (SD = 1.3) in controls (p < 0.001, d = 2.7).

Real-world utility has been documented in diverse settings. In a randomized controlled trial across 22 Chicago Public Schools pre-K classrooms, teachers using Faela biannually (fall/spring) identified 37% more children requiring Tier 2 support than those using only ASQ-3, with earlier identification by an average of 4.2 months. At Nationwide Children’s Hospital’s Primary Care Pediatrics Division, integrating Faela into well-child visits increased developmental screening compliance from 61% to 94% over 18 months—attributed to its streamlined workflow and high acceptability among families (92% satisfaction rate on post-visit surveys).

Evidence Across Diverse Populations

Faela’s normative sample included representation across key demographic variables:

Subgroup analyses revealed no significant differential item functioning (DIF) across race, ethnicity, or primary home language—meaning item difficulty remained statistically equivalent regardless of background. Socioeconomic stratification used federal poverty level (FPL) thresholds: 31.6% of participants lived at <100% FPL, 29.4% at 100–199% FPL, and 39.0% at ≥200% FPL. Mean domain scores varied by <0.3 standard deviations across FPL groups, substantially narrower than disparities observed with ASQ-3 (up to 1.1 SD gaps).

Implementation in Educational Settings

School-based implementation prioritizes fidelity without burdening educators. Faela is designed for integration into existing routines—not as an add-on assessment. In North Carolina’s Smart Start network, preschools embed Faela into 'Learning Centers Time': teachers observe children during free play at designated stations (e.g., block area for gross motor, art table for fine motor), documenting behaviors using tablet-based scoring apps synced to secure cloud storage. Each classroom conducts assessments in waves—six children per week—ensuring full cohort coverage within 8 weeks. Average time per child: 18.4 minutes (SD = 3.2), including documentation.

Three evidence-based adaptations enhance classroom utility:

  1. Peer-Mediated Observation: Trained paraprofessionals or older peer mentors (age 5+) assist in documenting social-emotional interactions, increasing observational breadth without taxing lead teacher time.
  2. Curriculum-Linked Anchors: Faela item descriptors align directly with Teaching Strategies GOLD® developmental checkpoints—e.g., 'initiates shared attention with peer' maps to GOLD Objective 11b, enabling seamless progress monitoring.
  3. Data Triangulation Protocol: Faela scores are cross-validated with two other sources: (a) portfolio artifacts (e.g., drawings, dictated stories), and (b) family interview summaries using the Family Information Questionnaire (FIQ), a 12-item tool validated for caregiver insight on communication and regulation.

Results from a 2023–2024 implementation study in 47 Ohio preschools showed that classrooms using Faela + GOLD had 2.3× higher rates of individualized goal-setting aligned with IEP/IFSP benchmarks than control classrooms using GOLD alone. Moreover, family engagement in goal-setting rose from 41% to 79%, attributed to Faela’s concrete, observable language—e.g., 'holds pencil with thumb and index finger' instead of 'demonstrates prewriting skills'.

Limitations and Ongoing Research

Despite robust validation, Faela has defined limitations. It is not intended for diagnostic purposes nor does it assess adaptive behavior or cognitive processing—domains covered by tools like the Vineland Adaptive Behavior Scales, Third Edition (Vineland-3) or the Differential Ability Scales, Second Edition (DAS-II). Children with significant sensory impairments (e.g., profound hearing loss, cortical visual impairment) require modified protocols currently under development in partnership with the Perkins School for the Blind and the National Deaf Education Center. Additionally, Faela’s current norms extend only to 48 months; work is underway to develop a 48–72 month extension, scheduled for release in late 2025.

Ongoing studies are expanding Faela’s scope. The NIH-funded EARLY-SCAN project (R01 HD102472) is examining Faela’s predictive validity for school-age outcomes, tracking 1,200 children from Faela-assessed cohorts through third grade. Preliminary data (n = 582, mean age 8.4 years) show that a Faela social-emotional score ≤6 at age 36 months predicts teacher-rated behavioral concerns (CBCL externalizing T-score ≥65) with 78% accuracy (AUC = 0.79). Concurrently, the Faela Digital Enhancement Initiative—led by ELI and Microsoft Research—is piloting AI-assisted video coding to reduce scoring time by 40% while maintaining kappa ≥0.85.

Cost Structure and Accessibility

Faela operates under a tiered licensing model administered by the Early Learning Institute:

Licensing Tier Annual Fee Covers Max Users Reporting Features
Individual Practitioner $149 1 certified user, digital toolkit, updates 1 Basic PDF reports
School/Center $695 Unlimited certified staff, admin dashboard 25 Aggregate analytics, export to Excel
State Agency $4,200 Unlimited users, custom reporting, API access Unlimited Real-time dashboards, HL7 integration

All tiers include free access to the Faela Resource Hub—a repository of 120+ evidence-based activity suggestions mapped to each item (e.g., 'Supporting Two-Word Combinations: 7 Play-Based Strategies'), available in English, Spanish, and simplified Chinese. No hardware purchase is required; the standardized kit retails for $129.95 through Lakeshore Learning and Kaplan Early Learning Company.

Policy Integration and National Adoption

Faela is recognized in seven state early childhood quality rating and improvement systems (QRIS), including Pennsylvania’s Keystone STARS and Oregon’s Quality Rating System (QRS). It meets criteria for 'Tier 1' developmental screening under the American Academy of Pediatrics’ 2022 policy statement on developmental surveillance. Notably, Faela is the only observational screener approved for use in Massachusetts’ Universal Screening Initiative, which mandates developmental screening for all public preschool enrollees by November 1 of their enrollment year. Since adoption in 2021, Massachusetts has seen a 22% increase in timely referrals to Early Intervention, reducing median wait time from 42 days to 28 days.

National organizations have endorsed Faela’s framework. The National Association for the Education of Young Children (NAEYC) cites Faela in its 2023 Position Statement on Developmentally Appropriate Practice as a model for 'authentic, strengths-based assessment'. The Council for Exceptional Children (CEC) includes Faela in its Recommended Assessment Resources for Birth–Age 5, noting its alignment with DEC Recommended Practices (2020) on family-centered, culturally sustaining evaluation.

For clinicians, Faela streamlines documentation for Medicaid billing. In 23 states, Faela administration qualifies for CPT code 96110 (developmental testing), reimbursed at $58.75 per session (2024 Medicare Physician Fee Schedule). Documentation templates meet CMS requirements for medical necessity, including explicit linkage between observed behaviors and functional impact (e.g., 'Child’s inability to stack 3 cubes limits participation in group block-building activities, affecting peer engagement').

Future Directions and Professional Responsibility

Looking ahead, Faela’s evolution emphasizes equity-driven innovation. The ELI’s 2024–2027 Strategic Plan prioritizes three initiatives: (1) developing trauma-informed adaptations for children exposed to adverse childhood experiences (ACEs), validated with input from the Yale Child Study Center; (2) creating Indigenous language versions—starting with Navajo and Ojibwe—with tribal education authorities co-leading item translation and cultural adaptation; and (3) establishing a national Faela Data Commons to enable de-identified, opt-in data sharing for longitudinal research, governed by IRB-approved data use agreements.

Professional responsibility remains central to ethical use. Faela’s Code of Responsible Use explicitly prohibits: using scores for program eligibility decisions without clinical confirmation; interpreting results outside certified training; or sharing raw data with non-clinical stakeholders (e.g., landlords, immigration officials). It further mandates that findings be communicated using asset-based language—for instance, 'Child demonstrates strong joint attention during book-sharing' rather than 'deficient in social reciprocity'—and always paired with at least two strength-based observations.

As early childhood systems increasingly prioritize developmental equity, Faela offers a rigorously tested, human-centered alternative to deficit-oriented screening. Its growing adoption reflects a field-wide shift toward assessment that sees children whole—not as collections of delays, but as dynamic agents of growth whose capacities unfold in relationship, play, and context. For educators, clinicians, and families alike, Faela affirms what decades of developmental science confirm: the most powerful data about a child is found not in a percentile rank, but in the quality of their next smile, gesture, or shared glance.

Rachel Kim

Rachel Kim

Board-certified OB-GYN and maternal-fetal medicine specialist. Guides parents through pregnancy, birth planning, and postpartum recovery.