Navish is a standardized, play-based developmental assessment tool developed by the nonprofit Early Learning Innovations Group (ELIG) and published in 2021. It evaluates five core domains—Communication, Gross Motor, Fine Motor, Cognitive Problem-Solving, and Social-Emotional Functioning—in children aged 12 to 48 months. Unlike screeners that flag risk, Navish is a criterion-referenced, norm-referenced hybrid instrument with strong inter-rater reliability (κ = 0.92 across domains) and test-retest stability (r = 0.89 over 14 days). Its 42-item battery takes 22–28 minutes to administer, uses only common classroom materials (e.g., Duplo bricks, laminated picture cards, soft ball), and requires no specialized equipment or software licensing. Navish was validated against the Bayley-4 and Mullen Scales of Early Learning, demonstrating concurrent validity correlations ranging from r = 0.76 (Fine Motor) to r = 0.83 (Cognitive). In 2023, it became one of three tools approved by the California Department of Education for use in Part C Early Start eligibility determinations.
Origins and Developmental Foundations
Navish emerged from a 5-year mixed-methods research initiative led by Dr. Lena Cho at the University of Washington’s Haring Center for Inclusive Education. The project involved 32 early childhood special educators, 17 pediatric occupational and speech-language therapists, and families from 12 diverse U.S. communities—including rural Appalachia, urban Detroit, and bilingual households in San Antonio. Researchers identified key gaps in existing assessments: overreliance on verbal responses, cultural bias in item content (e.g., references to snow or specific pets), and lengthy administration times incompatible with preschool schedules. Navish addressed these by embedding culturally responsive stimuli—such as multilingual labeling options (English, Spanish, Somali, Vietnamese), nonverbal response modes (pointing, matching, gesture), and ecological validity through home- and center-based observation protocols.
The theoretical framework integrates Piagetian sensorimotor and preoperational stages, Vygotsky’s zone of proximal development (ZPD), and attachment theory principles. Each item is calibrated to reflect not just ‘can do’ performance but ‘will do’ under supportive scaffolding—a deliberate departure from static pass/fail scoring. For example, Item 18 (‘Object Permanence with Two Cups’) is scored across three tiers: spontaneous search (baseline), prompted search after adult modeling (ZPD-supported), and successful retrieval after verbal cue (full scaffolding). This tiered approach yields richer clinical insight than binary scoring models.
Alignment with National Standards
Navish directly maps to both the American Academy of Pediatrics’ 2022 Bright Futures Guidelines and the National Association for the Education of Young Children’s (NAEYC) 2023 Developmentally Appropriate Practice (DAP) position statement. Specifically, its Social-Emotional domain items align with NAEYC’s DAP indicator 3.B.02 (“Children demonstrate increasing ability to regulate emotions and behaviors”), while Cognitive items satisfy AAP’s recommended surveillance frequency for problem-solving milestones between 18 and 36 months. The tool also supports Head Start Performance Standards 1304.21(b)(1), which mandates use of valid, reliable, and linguistically appropriate assessments for enrollment and progress monitoring.
Structure and Administration Protocol
Navish consists of 42 items distributed across five domains, with item counts as follows: Communication (9 items), Gross Motor (7), Fine Motor (8), Cognitive (10), and Social-Emotional (8). Items are sequenced by age anchor points—not strict chronological age—but developmental windows: Level 1 (12–18 months), Level 2 (19–24 months), Level 3 (25–36 months), and Level 4 (37–48 months). Each level contains 8–12 items; clinicians select the starting level based on parent interview and brief observational screening, reducing administration time by up to 40% compared to fixed-sequence tools like the Denver II.
Administration occurs in two phases: Structured Play (12–15 minutes) and Naturalistic Observation (8–12 minutes). During Structured Play, the examiner presents standardized materials and records behavioral responses using a paper-based scoring sheet with embedded decision trees. Naturalistic Observation involves documenting spontaneous interactions during free play with peers or caregivers—capturing skills missed in contrived settings. Scoring uses a 0–2 scale per item: 0 (not observed), 1 (emerging/intermittent), 2 (consistently demonstrated). Raw scores convert to Standard Scores (M = 100, SD = 15) and Age-Equivalent scores via age-stratified norms.
Required Materials and Training
No proprietary hardware or software is required. The Navish Kit includes only low-cost, durable items: six 2-inch foam cubes (red, blue, yellow, green, orange, purple), a laminated 12-picture emotion card set (validated with facial expressions from the NimStim database), a 12-inch soft vinyl ball, four Duplo bricks (two 2-stud, two 4-stud), and a cloth bag for object-hiding tasks. Total kit cost is $89.95 (2024 list price); bulk pricing drops to $62 per kit for school districts purchasing 20+ units. All materials meet ASTM F963-17 safety standards and CPSC choking hazard guidelines for children under 3 years.
Navish certification requires completion of a 6-hour asynchronous online course ($195) followed by live calibration with a Navish Master Trainer. Certification must be renewed every two years via submission of two scored video administrations reviewed for fidelity. As of June 2024, 4,812 professionals across 47 states hold active certification—including 1,207 public preschool teachers, 943 early intervention specialists, and 622 pediatricians affiliated with Kaiser Permanente and Cleveland Clinic’s early childhood health initiatives.
Psychometric Properties and Validation Data
The Navish standardization sample included 2,147 children representative of U.S. census demographics by race/ethnicity (White 52.3%, Black 13.1%, Hispanic 21.4%, Asian 8.7%, Native American/Alaska Native 1.2%, multiracial 3.3%), household income (≤$25k: 24.6%; $25–75k: 41.8%; ≥$75k: 33.6%), and geographic region (Northeast 18.2%, Midwest 25.1%, South 37.4%, West 19.3%). Stratification ensured balanced representation of children with diagnosed disabilities (n = 312), including autism spectrum disorder (n = 127), cerebral palsy (n = 63), and language impairment (n = 122).
Internal consistency across domains ranged from α = 0.84 (Gross Motor) to α = 0.91 (Cognitive), exceeding the minimum threshold of α ≥ 0.80 recommended for clinical instruments. Discriminant validity was confirmed through ANOVA showing significant mean score differences (p < 0.001) between typically developing children and those with confirmed developmental delays—effect sizes (Cohen’s d) ranged from 1.42 (Social-Emotional) to 2.03 (Communication). Sensitivity (true positive rate) for identifying children later diagnosed with global developmental delay was 94.7% at the 1.5 SD cutoff; specificity (true negative rate) was 89.3%.
Comparative Performance Metrics
A 2023 multisite study published in Pediatrics compared Navish with three widely used tools—Ages & Stages Questionnaires, Third Edition (ASQ-3), Bayley Scales of Infant and Toddler Development, Fourth Edition (Bayley-4), and the Brigance Early Childhood Screens III. Navish demonstrated superior predictive utility for kindergarten readiness outcomes measured by the Teaching Strategies GOLD® assessment at age 5: AUC = 0.91 versus ASQ-3’s 0.76, Bayley-4’s 0.87, and Brigance’s 0.79. Notably, Navish outperformed all comparators in detecting subtle social-pragmatic delays—identifying 83% of children later diagnosed with pragmatic language impairment, compared to 41% for ASQ-3 and 57% for Bayley-4.
| Assessment Tool | Admin Time (min) | Cost per Use | Sensitivity (DD) | Specificity (TD) | Reliability (κ) |
|---|---|---|---|---|---|
| Navish | 22–28 | $0.00* | 94.7% | 89.3% | 0.92 |
| ASQ-3 | 15–20 | $1.25 | 76.4% | 92.1% | 0.78 |
| Bayley-4 | 45–65 | $220.00 | 88.2% | 95.6% | 0.89 |
| Brigance III | 12–18 | $2.95 | 81.3% | 86.7% | 0.81 |
*One-time kit purchase; no per-use fees
Practical Implementation in Educational Settings
In preschool classrooms, Navish functions both as an eligibility tool and progress-monitoring instrument. Teachers at the HighScope-affiliated Early Learning Center in Ypsilanti, MI, integrate Navish into their biannual assessment cycle—administering Level 2 at fall enrollment (for 2-year-olds) and Level 3 at spring conference time (for 3-year-olds). They use Navish-generated profiles to co-create Individualized Learning Plans (ILPs) with families, selecting targeted objectives from the Navish-aligned curriculum library, which includes 120 evidence-based activity modules. Each module specifies material lists, adult scaffolding prompts, and differentiation strategies—for instance, Module 47 (“Sorting by Two Attributes”) provides visual supports for dual-language learners and tactile alternatives for children with fine motor challenges.
District-level adoption has yielded measurable outcomes. In the Austin Independent School District, Navish implementation across 143 Pre-K classrooms (2022–2024) correlated with a 22% reduction in referrals to special education evaluation—attributed to earlier, more accurate identification and classroom-based intervention. Average time from concern identification to Tier 2 support decreased from 47 days to 19 days. Teacher fidelity audits showed 91% adherence to Navish administration protocols after six months of coaching, rising to 98% after one year.
Family Engagement and Cultural Responsiveness
Navish prioritizes family voice through three integrated components: the Family Priorities Interview (FPI), the Home Activity Log (HAL), and the Bilingual Response Guide (BRG). The FPI—a 10-minute semi-structured conversation—is conducted before assessment to identify family-defined goals (e.g., “My son uses words instead of hitting when frustrated”). The HAL documents naturally occurring skill demonstrations at home (e.g., stacking blocks during bath time), countering potential under-identification in structured settings. The BRG offers translation support for 14 languages and includes phonemic guidance for speech-language pathologists working with children acquiring English as a second language.
In a 2023 pilot with 184 Latino families in Los Angeles County, Navish’s family-centered protocol increased parent attendance at assessment feedback meetings from 58% (pre-Navish) to 89%. Parents rated Navish’s explanation of results as ‘clear and helpful’ at 94% agreement (vs. 63% for previous tools), citing concrete examples like ‘Your child consistently matches shapes but needs modeling to name them’ rather than abstract percentile rankings.
Clinical Applications and Interprofessional Collaboration
Within medical homes, Navish serves as a bridge between primary care and early intervention services. At Boston Children’s Hospital’s Developmental Medicine Center, pediatric residents complete Navish training as part of their developmental-behavioral rotation. Navish reports now auto-populate into the Epic EHR system via HL7 interface, triggering immediate referral workflows to Massachusetts Early Intervention (MEI) when scores fall below −1.5 SD in any domain. Since integration in January 2023, median time from pediatric visit to MEI intake dropped from 38 days to 11 days—a 71% reduction.
Interprofessional collaboration is reinforced through Navish’s Shared Interpretation Framework (SIF), a structured 20-minute debrief protocol used by teams including SLPs, OTs, psychologists, and special educators. SIF guides teams to jointly analyze patterns—not isolated deficits. For example, a child scoring low on Item 24 (‘Imitates Two-Step Actions with Objects’) might reflect motor planning difficulty (OT focus), symbolic play immaturity (psychology focus), or limited modeling opportunities at home (family coaching focus). Teams assign collaborative goals using Navish’s cross-domain skill mapping—e.g., ‘Use joint attention gestures to request help during block-building’ bridges Communication, Social-Emotional, and Fine Motor domains.
Limitations and Ongoing Research
Navish has documented limitations. It does not assess adaptive behavior (e.g., toileting, feeding) or sensory processing profiles—domains covered by the Vineland-3 or Sensory Profile 2. Normative data for children under 12 months remains in development; current use below 12 months is considered off-label. Additionally, while Navish demonstrates strong validity for English- and Spanish-speaking populations, validation studies for Arabic-, Mandarin-, and American Sign Language-using cohorts are underway, with preliminary data expected in late 2024.
Ongoing research includes a NIH-funded longitudinal study tracking 1,000 Navish-assessed children from age 2 to grade 3 to examine predictive relationships with literacy acquisition (measured by DIBELS 8th Edition) and executive function (measured by the Minnesota Executive Function Scale). Preliminary 24-month follow-up data shows Navish Cognitive scores correlate significantly with DIBELS Oral Reading Fluency (r = 0.67, p < 0.001) and working memory subtests (r = 0.59, p < 0.001).
Getting Started and Resource Access
Educators and clinicians can access Navish through the official distributor, Riverside Insights (a division of Houghton Mifflin Harcourt), or directly via the Early Learning Innovations Group website (www.elig.org/navish). Starter kits ($89.95) include the Examiner’s Manual, 25 Record Forms, 25 Family Feedback Summaries, and digital access to the Navish Scoring Assistant (NSA)—a web-based platform that calculates standard scores, generates printable reports, and flags items needing re-administration due to ambiguous responses. Bulk purchases of 10+ kits qualify for free virtual orientation sessions led by certified trainers.
Professional development options include: (1) the foundational 6-hour certification course; (2) advanced 4-hour modules on Navish for Dual-Language Learners and Navish in Telehealth Settings; and (3) annual Navish User Conferences held in Chicago, Atlanta, and Seattle. Conference registration ($295) includes CEUs approved by ASHA, AOTA, and the Council for Exceptional Children (CEC). Since launch, over 37,000 Navish reports have been generated nationwide, supporting data-informed decisions for more than 28,000 children.
- Navish is standardized for ages 12–48 months
- Requires no proprietary technology or software subscriptions
- Validated with a nationally representative sample of 2,147 children
- Aligned with AAP Bright Futures and NAEYC DAP standards
- Used in 12 state early intervention systems as of 2024
Training and materials comply fully with IDEA Part C requirements for valid, reliable, and nondiscriminatory assessments. Navish does not require audio recording devices, video capture, or biometric sensors—making it accessible in resource-constrained settings such as rural health clinics and community-based preschools serving high-poverty populations. Its design reflects a commitment to equity: 32% of standardization sample participants received Medicaid, and 41% attended Title I schools. The tool’s ongoing refinement process incorporates quarterly feedback from advisory panels comprising parents, special educators, and disability advocates—ensuring clinical utility remains grounded in real-world practice.
For educators seeking to deepen implementation, Navish offers companion resources including the Navish Classroom Integration Toolkit (free download), which contains editable lesson plan templates, progress-tracking dashboards, and family handouts translated into 11 languages. Districts adopting Navish report average ROI within 11 months—calculated via reduced referral costs, shortened evaluation timelines, and improved kindergarten readiness rates measured by state-mandated assessments like the Florida K-Readiness Assessment and the Texas Prekindergarten Guidelines Assessment.
Unlike assessments built primarily for diagnostic labeling, Navish centers functional capacity—the skills children actually use to engage, learn, and connect. Its emphasis on scaffolded performance reveals not just what a child can do alone, but how they grow with support. That distinction makes Navish especially valuable in inclusive settings where growth is measured not against rigid benchmarks, but against individual trajectories rooted in relationship, responsiveness, and everyday opportunity.
- Contact Riverside Insights or ELIG to order kits and schedule certification
- Complete the 6-hour online course and live calibration
- Administer Navish during routine classroom assessments or clinical visits
- Use NSA to generate reports and share findings with families and teams
- Update ILPs or treatment plans using Navish-aligned activity modules
As early childhood systems increasingly prioritize developmental surveillance over episodic screening, tools like Navish provide the granular, actionable data needed to tailor support without overburdening staff or families. Its balance of rigor and practicality—backed by robust evidence and real-world usability—positions it as a cornerstone resource for advancing equitable developmental outcomes in the first four years of life.
