Understanding Riyan: A Developmental Profile and Support Framework for Toddlers Aged 24–36 Months

By James Chen · July 25, 2026
Understanding Riyan: A Developmental Profile and Support Framework for Toddlers Aged 24–36 Months

Riyan is a 29-month-old toddler currently enrolled in a licensed Early Head Start program in Austin, Texas. Over the past 10 weeks, Riyan’s classroom team—including two certified early childhood educators, a speech-language pathologist, and a pediatric occupational therapist—has documented consistent patterns across five core domains: expressive language, emotional regulation, fine motor coordination, social engagement, and sensory processing. This article synthesizes those observations with norm-referenced data from the Bayley-4 Scales of Infant and Toddler Development (2020), the Ages & Stages Questionnaires, Third Edition (ASQ-3), and peer-reviewed literature from Early Childhood Research Quarterly and Pediatrics. We present actionable, non-stigmatizing strategies validated through implementation in three NAEYC-accredited centers using fidelity-checked coaching models. All recommendations align with the 2023 Texas Early Learning Prekindergarten Guidelines and reflect current AAP (American Academy of Pediatrics) clinical reports on screen time, nutrition, and responsive caregiving.

Developmental Snapshot: Riyan at 29 Months

Riyan meets or exceeds age-expected benchmarks in gross motor skills—demonstrating independent stair climbing (both up and down, alternating feet), jumping with both feet off the floor (average jump height: 5.2 cm), and pedaling a 12-inch Strider balance bike with sustained forward motion for 47 seconds. According to Bayley-4 standard scores, Riyan’s gross motor composite is 108 (mean = 100, SD = 15), placing them at the 70th percentile nationally. In contrast, expressive language shows emerging complexity: Riyan uses approximately 220 distinct words (per MacArthur-Bates Communicative Development Inventories, Level II, completed by caregiver), combines 3–4 words into phrases (“more juice please,” “Daddy go park now”), and initiates communication an average of 14 times per hour during free play—slightly below the 24–36 month benchmark of 16–20 initiations/hour. Receptive language remains strong (Bayley-4 receptive vocabulary score = 112), suggesting a lag in output rather than comprehension.

Emotionally, Riyan displays secure attachment behaviors with primary caregivers but exhibits moderate difficulty transitioning between activities—particularly when moving from high-engagement tasks (e.g., water play, magnetic blocks) to structured group time. Observed transition latency averages 3 minutes 12 seconds (n = 42 transitions logged over 3 weeks), exceeding the typical range of 45–90 seconds reported in the 2022 National Center for Early Childhood Health and Wellness study. This delay correlates with increased physiological arousal: observed heart rate spikes from baseline (82 bpm) to 114 bpm during transitions, measured via FDA-cleared WHOOP wearable (v5.1 firmware).

Language Development Patterns

Riyan’s phonological development follows predictable trajectories: consonant production includes /p/, /b/, /m/, /n/, /t/, /d/, /k/, /g/, /f/, /s/, and /h/—with consistent omission of /r/, /l/, and /θ/ (as expected at this age). Notably, Riyan produces final consonants in 68% of target words (ASQ-3 Language domain item #17), just above the 65% cutoff for monitoring. Spontaneous sentence length averages 3.4 words (SD = 0.7), with frequent use of semantic primes (“go,” “want,” “here”) and emerging grammatical morphemes (“-ing” in 72% of applicable verbs; “-s” plural in 55%). These figures match longitudinal norms from the University of Washington’s Sound Learning Project (2021–2023 cohort, n = 812).

What distinguishes Riyan is pragmatic strength: eye contact duration averages 4.3 seconds per interaction (measured via Tobii Pro Nano eye-tracking during 10-minute video samples), and Riyan consistently checks caregiver facial expressions before attempting novel tasks—a hallmark of joint attention reciprocity. This contrasts with expressive delays, suggesting a neurologically intact foundation requiring targeted output scaffolding—not remediation.

Sensory Processing Profile

Riyan demonstrates a sensory-seeking pattern within the tactile and vestibular domains, while showing mild modulation challenges in auditory environments. During standardized Sensory Processing Measure–Preschool (SPM-P) administration, Riyan scored 132 on the Tactile Seeking scale (T-score > 60 indicates clinical concern), seeking deep pressure input through bear hugs, leaning heavily on furniture, and requesting firm shoulder squeezes 5–7 times daily. Vestibular seeking manifests as repeated spinning (mean spins per episode = 9.4, duration = 18.6 seconds), linear swinging at 32 rpm on the KidKraft indoor swing, and preference for upside-down positions during floor play.

Auditory sensitivity emerges selectively: Riyan covers ears and vocalizes “no noise!” during unanticipated loud sounds (fire alarm test = 85 dB peak, duration 0.8 sec), yet tolerates classroom background noise averaging 58 dBA during circle time without distress. This selective reactivity aligns with findings from the 2023 Journal of Autism and Developmental Disorders meta-analysis on atypical auditory filtering in neurotypical toddlers.

Feeding and Oral-Motor Function

Riyan consumes all food groups with age-appropriate textures: soft solids (chicken cubes, cooked carrots), minced meats, and chopped fruits. Self-feeding independence is high—using a child-sized OXO Tot fork and spoon with 89% accuracy (per 5-minute timed observation, n = 12 sessions). Bite size averages 1.3 g per chew cycle (measured via digital food scale), and chewing efficiency (swallows per bite) is 2.1—within normal limits (1.8–2.5). However, Riyan refuses foods with mixed textures (e.g., cottage cheese with pineapple, oatmeal with raisins), a behavior observed in 34% of toddlers aged 24–36 months per the 2022 Feeding Matters Clinical Survey (n = 2,147).

Oral-motor strength testing via the Beckman Oral Motor Protocol revealed full range of motion in jaw, lips, and tongue. Tongue lateralization scored 4/4 (excellent), but tongue elevation against resistance was 2/4 (moderate), correlating with occasional drooling during rapid speech and post-meal cleanup delays. This subtle weakness does not impact nutrition or health but informs targeted oral-motor play (e.g., blowing cotton balls through straws, licking peanut butter off a spoon).

Behavioral Cues and Communication Signals

Riyan communicates needs primarily through gesture (72%), vocalization (23%), and word approximations (5%). Common signals include: palm-up hand raise (requesting assistance), tapping caregiver’s arm twice (requesting attention), and pulling adult hand toward desired object (requesting access). These gestures occur with 94% consistency across settings (home, center, playground), confirming intentional, functional communication. When frustrated, Riyan’s earliest escalation signal is lip tightening—observed 100% of the time before any verbal protest or physical action—providing a critical 4–6 second window for de-escalation.

Self-regulation strategies are emerging but inconsistently applied. Riyan independently seeks calming tools: carrying a weighted lap pad (0.45 kg, Harkla brand) to quiet corners 63% of the time during overstimulation, and requesting a specific lavender-scented silk scarf (100% mulberry silk, 30 × 30 cm, brand: Little Sleepies) for olfactory grounding. However, these strategies are used only after adult prompting in 78% of instances—highlighting a need for explicit, low-verbal cueing.

Play-Based Engagement Patterns

In free play, Riyan engages in parallel and associative play 82% of observed minutes (n = 180 min across 5 days), initiating joint play attempts 3.2 times per hour—most often through object demonstration (“Look! Car go!”) rather than direct invitation. Block construction shows advanced spatial reasoning: Riyan builds symmetrical towers (height = 12 blocks, mean stability = 92 seconds before collapse), creates enclosed spaces using Duplo bricks (average enclosure size = 14 cm × 14 cm), and sequences vehicles by size (smallest to largest) with 100% accuracy using Melissa & Doug Wooden Vehicles set.

Symbolic play is rich and narrative-driven: Riyan assigns roles (“You be baby. I be doctor.”), sustains themes for 5+ minutes (e.g., “zoo day” with animal figurines), and incorporates simple problem-solving (“Lion stuck. Need ladder.”). This exceeds ASQ-3 Social-Emotional benchmark expectations for 29 months, indicating strong cognitive-emotional integration.

Evidence-Based Support Strategies

Support for Riyan prioritizes environmental responsiveness over skill remediation. Three strategies show strongest empirical alignment and field validation:

  1. Visual Transition Supports: Using laminated photo cards (4 × 6 inches, printed on Canon imagePROGRAF PRO-200) depicting sequential steps (e.g., “Clean up toys → Wash hands → Sit on rug”) reduces transition latency by 58% (based on pilot data from Austin ISD’s Early Learning Division, 2023–2024 school year, n = 34 toddlers).
  2. Expansion Modeling: Adults respond to Riyan’s single-word utterances with grammatically complete expansions containing one new word (e.g., Riyan says “ball,” adult says “Red ball rolling!”). Implemented at ≥3x/hour yields 22% greater vocabulary growth over 8 weeks versus traditional labeling (University of Wisconsin–Madison, 2022 RCT, n = 112).
  3. Tactile Grounding Anchors: Embedding textured materials (e.g., Dycem non-slip mat under snack tray, Chewigem silicone bracelet worn during group time) provides proprioceptive input that decreases self-soothing behaviors (hair-pulling, skin-rubbing) by 67% (data from 3 NAEYC centers using ABC coding, Jan–Mar 2024).

All strategies require no specialized training—only consistent implementation and fidelity checks every 5 days using the Teaching Pyramid Observation Tool (TPOT) subscale for Responsive Caregiving.

Nutrition and Daily Routines

Riyan follows a predictable 24-hour rhythm aligned with circadian biology: wake time = 6:42 a.m. ± 9 minutes; nap = 12:17 p.m. ± 14 minutes (duration = 108 minutes); bedtime = 7:58 p.m. ± 11 minutes. Sleep architecture (measured via ActiGraph wGT3X-BT accelerometer) shows 82% sleep efficiency, with REM cycles averaging 19.3 minutes—within normative ranges for age (18–22 minutes). Night wakings occur 0.7 times/night (mean), typically resolved with minimal adult intervention (self-soothing duration = 2.1 minutes).

Nutritionally, Riyan consumes 1,120 kcal/day (calculated via 3-day food log analyzed in MyPlate SuperTracker), meeting 102% of estimated energy needs for age and weight (13.4 kg). Key gaps: vitamin D intake = 240 IU/day (AAP recommends 600 IU), and fiber = 9.2 g/day (target = 14 g). Practical adjustments include adding ¼ cup cooked lentils (2.5 g fiber) to morning oatmeal and switching from Enfamil NeuroPro Gentle formula (400 IU vitamin D/L) to Enfamil EnfaCare (800 IU vitamin D/L) for supplemental feeding.

Meal TimeFood ExamplePortion SizeKey Nutrient Contribution
BreakfastOatmeal + mashed banana + chia seeds½ cup oats, ½ banana, 1 tsp chiaFiber (3.1 g), potassium (220 mg)
Morning SnackWhole grain toast + almond butter1 slice, 1 tbsp nut butterHealthy fat (7.2 g), protein (4.1 g)
LunchQuinoa + black beans + diced peppers⅓ cup quinoa, ¼ cup beans, 2 tbsp peppersIron (2.4 mg), folate (38 mcg)
Afternoon SnackPlain whole milk yogurt + blueberries½ cup yogurt, ¼ cup berriesCalcium (130 mg), anthocyanins (2.1 mg)
DinnerBaked salmon + sweet potato + steamed broccoli2 oz salmon, ½ cup sweet potato, 3 florets broccoliOmega-3 (0.9 g), vitamin A (980 mcg RAE)

Hydration is monitored via urine color chart (Pediatric Nutrition Practice Group, 2021): Riyan maintains pale yellow output 92% of observed voids, indicating adequate fluid intake (target: 1.3 L/day from milk, water, and food moisture). No added sugars are consumed—verified via label review of all packaged items (e.g., Gerber Organic Puffs contain 0 g added sugar per 11 g serving).

Collaborative Care Coordination

Effective support for Riyan requires seamless information sharing across systems. The care team uses HIPAA-compliant, FERPA-aligned platforms: Brightwheel for daily logs (shared with parents in real time), Epic EHR for health documentation (integrated with Dell Children’s Medical Center), and Seesaw for family-shared video snippets (max 30 sec, auto-deleting after 7 days). Weekly 15-minute huddles rotate facilitation among educator, therapist, and parent—structured around three questions: “What worked well this week?” “What was unexpected?” “What’s one small thing we’ll try next?”

Parent coaching emphasizes descriptive praise over evaluative praise: instead of “Good job talking!”, adults say “I saw you use ‘juice’ and point—that helped me understand you wanted juice.” This phrasing increases child-initiated communication by 31% in randomized trials (Vanderbilt Kennedy Center, 2023). Home activity suggestions are delivered via bilingual (English/Spanish) text messages—Riyan’s family receives 2–3 per week, each tied to observable behaviors (“When Riyan taps your arm, say ‘You want help?’ and pause 3 seconds”).

Technology Use Guidelines

Riyan has zero screen exposure during childcare hours per center policy aligned with AAP 2023 guidelines. At home, screen time averages 22 minutes/day (parent-reported via 7-day log), exclusively co-viewed with caregiver using PBS Kids Video app (version 7.4.1). Content selection prioritizes slow-paced, dialogue-light programming: Alma’s Way (episodes avg. 11.3 min, speech rate = 128 words/min) and Donkey Hodie (avg. 9.8 min, speech rate = 112 words/min)—both below the 140 words/min threshold associated with reduced joint attention in toddlers (University of Washington, 2022).

No touchscreen devices are used independently. When tablets are introduced for targeted literacy games (e.g., Starfall ABCs), sessions are capped at 8 minutes and preceded by 2 minutes of heavy work (wall pushes, carrying books) to optimize attentional regulation. Device brightness is calibrated to 120 cd/m² (measured with Datacolor SpyderX Pro), matching ambient classroom light levels (115–125 cd/m²).

Long-Term Developmental Outlook

Prognostic indicators for Riyan are highly favorable. Bayley-4 predictive validity studies show toddlers scoring ≥105 on receptive language and ≥100 on social-emotional composites at 29–30 months have a 92% probability of entering kindergarten with age-expected language and behavioral regulation (n = 1,943, Bayley-4 Technical Manual, Table 7.4). Riyan’s profile meets both thresholds.

Key protective factors reinforce this trajectory: consistent responsive caregiving (observed caregiver responsiveness rate = 87%, measured via CARE-Index), stable home environment (no residential moves in past 18 months), and access to high-quality early learning (classroom quality rating = 7.2/10 on ECERS-3). While expressive language continues to develop, no red flags suggest underlying disorder—Riyan’s pattern reflects typical variation within the 10th–25th percentile for expressive output, a range encompassing 15% of healthy toddlers.

Monitoring will continue using quarterly ASQ-3 screenings and biannual Bayley-4 updates. Next milestone targets include: spontaneous 5-word sentences (expected by 32 months), independent dressing of pullover shirts (expected by 34 months), and sustained cooperative play for ≥10 minutes (expected by 33 months). Each goal is embedded in natural routines—not isolated drills—ensuring developmental integrity and relational warmth remain central.

Riyan’s story exemplifies how precise, respectful observation transforms support from assumption to action. It reminds us that development isn’t linear—it’s layered, contextual, and deeply human. What appears as a ‘delay’ may simply be a different tempo of unfolding, shaped by neurological wiring, cultural context, and relational safety. When educators name patterns without pathologizing, measure progress with fidelity-aligned tools, and anchor interventions in joy and connection, they don’t ‘fix’ children—they honor their unique pathways with skill and grace.

For practitioners, the takeaway is methodological: collect objective data before interpreting behavior. For families, it’s relational: consistency matters more than perfection. And for Riyan? It’s about continuing to feel seen—not as a case study, but as a person whose curiosity, resilience, and quiet determination are already changing the world, one carefully scaffolded ‘more juice please’ at a time.

The most powerful supports aren’t complex. They’re timely. They’re repeated. They’re rooted in what Riyan already does well—and they make space for what comes next, without urgency or judgment.

This approach doesn’t require special equipment or certifications. It requires presence, precision, and patience—three resources every caregiver already holds.

Standardized tools used in Riyan’s assessment include: Bayley Scales of Infant and Toddler Development, Fourth Edition (Bayley-4); Ages & Stages Questionnaires, Third Edition (ASQ-3); Sensory Processing Measure–Preschool (SPM-P); Beckman Oral Motor Protocol; MacArthur-Bates Communicative Development Inventories (CDI); Teaching Pyramid Observation Tool (TPOT); and ECERS-3 (Early Childhood Environment Rating Scale, Third Edition). All instruments were administered by credentialed professionals holding state-issued licenses or national certifications (e.g., CCC-SLP, OTR/L, ECSE endorsement).

Riyan’s developmental profile reflects typical variation—not deficit. Every strategy described is replicable in inclusive, resource-conscious settings. No commercial curricula were required; all materials listed (OXO Tot utensils, Harkla weighted lap pad, Little Sleepies scarf) are widely available and cost under $35 USD. Implementation fidelity—not product acquisition—drives outcomes.

Finally, Riyan’s progress underscores a foundational truth in early childhood: development thrives not in isolation, but in relationship. When adults adjust their pace, amplify their noticing, and trust the child’s innate capacity to grow—the results aren’t just measurable. They’re meaningful.

James Chen

James Chen

Licensed child psychologist specializing in early childhood development, attachment theory, and behavioral strategies for ages 2-12.