Trial Outcomes & Findings for Maximizing Outcomes for Preschoolers With Developmental Language Disorders (NCT NCT03782493)

NCT ID: NCT03782493

Last Updated: 2026-08-19

Results Overview

The language sample is a structured protocol designed to elicit child language. The number of different verbs used during the language sample is indicative of the child's grammar skills, with more verbs reflecting stronger grammar skills.

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

108 participants

Primary outcome timeframe

Assessed when participants were 49 months old

Results posted on

2026-08-19

Participant Flow

Participant milestones

Participant milestones
Measure
Enhanced Milieu Teaching-Sentence Focus
The study intervention is a behavioral intervention which will include individually teaching caregivers to use the intervention strategies from the Enhanced Milieu Teaching-Sentence Focus (EMT-SF) intervention using a manualized protocol (Teach-Model-Coach-Review). Caregivers will participate in 66 intervention sessions across 18 months, targeting vocabulary and grammar as well as the transition to decontextualized language. the Enhanced Milieu Teaching-Sentence Focus: Caregivers in the treatment group (EMT-SF) will receive 66 EMT-SF intervention sessions at home over 18 months. They will be taught the intervention strategies using a manualized protocol (Teach-Model-Coach-Review).
Business-as-usual Control
Caregivers in the control group will participate in community-based intervention services and receive the same printed intervention instructions, books, and toys at the same intervals as the treatment group, but will not receive EMT-SF intervention.
Overall Study
STARTED
53
55
Overall Study
36 Months
48
50
Overall Study
42 Months
47
50
Overall Study
COMPLETED
48
51
Overall Study
NOT COMPLETED
5
4

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Maximizing Outcomes for Preschoolers With Developmental Language Disorders

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Enhanced Milieu Teaching-Sentence Focus
n=53 Participants
The study intervention is a behavioral intervention which will include individually teaching caregivers to use the intervention strategies from the Enhanced Milieu Teaching-Sentence Focus (EMT-SF) intervention using a manualized protocol (Teach-Model-Coach-Review). Caregivers will participate in 66 intervention sessions across 18 months, targeting vocabulary and grammar as well as the transition to decontextualized language. The Enhanced Milieu Teaching-Sentence Focus: Caregivers in the treatment group (EMT-SF) will receive 66 EMT-SF intervention sessions at home over 18 months. They will be taught the intervention strategies using a manualized protocol (Teach-Model-Coach-Review).
Business-as-usual Control
n=52 Participants
Caregivers in the control group will participate in community-based intervention services and receive the same printed intervention instructions, books, and toys at the same intervals as the treatment group, but will not receive EMT-SF intervention.
Total
n=105 Participants
Total of all reporting groups
Age, Continuous
30.40 Months
STANDARD_DEVIATION 0.45 • n=298 Participants
30.53 Months
STANDARD_DEVIATION 0.57 • n=102 Participants
30.46 Months
STANDARD_DEVIATION 0.51 • n=400 Participants
Sex: Female, Male
Female
22 Participants
n=298 Participants
22 Participants
n=102 Participants
44 Participants
n=400 Participants
Sex: Female, Male
Male
31 Participants
n=298 Participants
30 Participants
n=102 Participants
61 Participants
n=400 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=298 Participants
1 Participants
n=102 Participants
1 Participants
n=400 Participants
Race (NIH/OMB)
Asian
0 Participants
n=298 Participants
0 Participants
n=102 Participants
0 Participants
n=400 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=298 Participants
0 Participants
n=102 Participants
0 Participants
n=400 Participants
Race (NIH/OMB)
Black or African American
1 Participants
n=298 Participants
4 Participants
n=102 Participants
5 Participants
n=400 Participants
Race (NIH/OMB)
White
46 Participants
n=298 Participants
41 Participants
n=102 Participants
87 Participants
n=400 Participants
Race (NIH/OMB)
More than one race
5 Participants
n=298 Participants
5 Participants
n=102 Participants
10 Participants
n=400 Participants
Race (NIH/OMB)
Unknown or Not Reported
1 Participants
n=298 Participants
1 Participants
n=102 Participants
2 Participants
n=400 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
6 Participants
n=298 Participants
8 Participants
n=102 Participants
14 Participants
n=400 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
47 Participants
n=298 Participants
43 Participants
n=102 Participants
90 Participants
n=400 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=298 Participants
1 Participants
n=102 Participants
1 Participants
n=400 Participants
Maternal Family History of Speech, Language, or Learning Disability
Yes
8 Participants
n=298 Participants
6 Participants
n=102 Participants
14 Participants
n=400 Participants
Maternal Family History of Speech, Language, or Learning Disability
No
44 Participants
n=298 Participants
44 Participants
n=102 Participants
88 Participants
n=400 Participants
Maternal Family History of Speech, Language, or Learning Disability
Unsure
1 Participants
n=298 Participants
2 Participants
n=102 Participants
3 Participants
n=400 Participants
Paternal Family History of Speech, Language, or Learning Disability
Yes
8 Participants
n=298 Participants
8 Participants
n=102 Participants
16 Participants
n=400 Participants
Paternal Family History of Speech, Language, or Learning Disability
No
42 Participants
n=298 Participants
40 Participants
n=102 Participants
82 Participants
n=400 Participants
Paternal Family History of Speech, Language, or Learning Disability
Unsure
3 Participants
n=298 Participants
4 Participants
n=102 Participants
7 Participants
n=400 Participants
Preschool Language Scale, Fifth Edition (PLS-5): Total Language Standard Score
80.45 Standard Score Points
STANDARD_DEVIATION 7.11 • n=298 Participants
80.71 Standard Score Points
STANDARD_DEVIATION 6.96 • n=102 Participants
80.58 Standard Score Points
STANDARD_DEVIATION 7.00 • n=400 Participants
Preschool Language Scale, Fifth Edition (PLS-5): Auditory Comprehension Standard Score
82.06 Standard Score Points
STANDARD_DEVIATION 10.31 • n=298 Participants
81.85 Standard Score Points
STANDARD_DEVIATION 10.36 • n=102 Participants
81.95 Standard Score Points
STANDARD_DEVIATION 10.28 • n=400 Participants
Preschool Language Scale, Fifth Edition (PLS-5): Expressive Communication Standard Score
81.26 Standard Score Points
STANDARD_DEVIATION 7.36 • n=298 Participants
82.00 Standard Score Points
STANDARD_DEVIATION 6.17 • n=102 Participants
81.63 Standard Score Points
STANDARD_DEVIATION 6.78 • n=400 Participants
Focus on the Outcomes of Children Under Six (FOCUS) Total Raw Score
166.74 Total Raw Score Points
STANDARD_DEVIATION 36.20 • n=298 Participants
162.50 Total Raw Score Points
STANDARD_DEVIATION 39.58 • n=102 Participants
164.64 Total Raw Score Points
STANDARD_DEVIATION 37.79 • n=400 Participants
Number of Different Words from a Language Sample
13.94 Different Words
STANDARD_DEVIATION 10.71 • n=298 Participants
14.63 Different Words
STANDARD_DEVIATION 10.28 • n=102 Participants
14.29 Different Words
STANDARD_DEVIATION 10.44 • n=400 Participants
Number of Different Verbs from a Language Sample
2.02 Different Verbs
STANDARD_DEVIATION 3.06 • n=298 Participants
2.13 Different Verbs
STANDARD_DEVIATION 2.58 • n=102 Participants
2.07 Different Verbs
STANDARD_DEVIATION 2.81 • n=400 Participants
Number of Different Subjects from a Language Sample
1.53 Different Subjects
STANDARD_DEVIATION 3.01 • n=298 Participants
1.53 Different Subjects
STANDARD_DEVIATION 2.17 • n=102 Participants
1.53 Different Subjects
STANDARD_DEVIATION 2.61 • n=400 Participants
Number of Clauses per Utterance from a Language Sample
0.08 Clauses per Utterance
STANDARD_DEVIATION 0.15 • n=298 Participants
0.07 Clauses per Utterance
STANDARD_DEVIATION 0.09 • n=102 Participants
0.07 Clauses per Utterance
STANDARD_DEVIATION 0.12 • n=400 Participants
Child Behavior Checklist (CBCL) Internalizing Problems Scale
46.64 T-Score
STANDARD_DEVIATION 9.07 • n=298 Participants
47.35 T-Score
STANDARD_DEVIATION 10.35 • n=102 Participants
46.99 T-Score
STANDARD_DEVIATION 9.68 • n=400 Participants

PRIMARY outcome

Timeframe: Assessed when participants were 49 months old

The Clinical Evaluation of Language Fundamentals Preschool-Second Edition (CELF-P2) is a standardized measure of overall language skills. The CELF-P2 yields a Core Language Standard Score (M = 100, SD = 15; range = 45-155), with higher scores indicating stronger overall language skills.

Outcome measures

Outcome measures
Measure
Enhanced Milieu Teaching-Sentence Focus
n=53 Participants
The study intervention is a behavioral intervention which will include individually teaching caregivers to use the intervention strategies from the Enhanced Milieu Teaching-Sentence Focus (EMT-SF) intervention using a manualized protocol (Teach-Model-Coach-Review). Caregivers will participate in 66 intervention sessions across 18 months, targeting vocabulary and grammar as well as the transition to decontextualized language. the Enhanced Milieu Teaching-Sentence Focus: Caregivers in the treatment group (EMT-SF) will receive 66 EMT-SF intervention sessions at home over 18 months. They will be taught the intervention strategies using a manualized protocol (Teach-Model-Coach-Review).
Business-as-usual Control
n=52 Participants
Caregivers in the control group will participate in community-based intervention services and receive the same printed intervention instructions, books, and toys at the same intervals as the treatment group, but will not receive EMT-SF intervention.
Clinical Evaluation of Language Fundamentals Preschool - 2nd Edition (CELF-P2)
90.00 Standard Score Points
Standard Deviation 13.26
85.82 Standard Score Points
Standard Deviation 13.68

PRIMARY outcome

Timeframe: Assessed when participants were 49 months old

The language sample is a structured protocol designed to elicit child language. The number of different words used during the language sample is indicative of the child's vocabulary skills, with more words reflecting better vocabulary skills.

Outcome measures

Outcome measures
Measure
Enhanced Milieu Teaching-Sentence Focus
n=53 Participants
The study intervention is a behavioral intervention which will include individually teaching caregivers to use the intervention strategies from the Enhanced Milieu Teaching-Sentence Focus (EMT-SF) intervention using a manualized protocol (Teach-Model-Coach-Review). Caregivers will participate in 66 intervention sessions across 18 months, targeting vocabulary and grammar as well as the transition to decontextualized language. the Enhanced Milieu Teaching-Sentence Focus: Caregivers in the treatment group (EMT-SF) will receive 66 EMT-SF intervention sessions at home over 18 months. They will be taught the intervention strategies using a manualized protocol (Teach-Model-Coach-Review).
Business-as-usual Control
n=52 Participants
Caregivers in the control group will participate in community-based intervention services and receive the same printed intervention instructions, books, and toys at the same intervals as the treatment group, but will not receive EMT-SF intervention.
Number of Different Words From a Language Sample
53.00 Number of Different Words
Standard Deviation 15.38
53.18 Number of Different Words
Standard Deviation 13.40

PRIMARY outcome

Timeframe: Assessed when participants were 49 months old

The language sample is a structured protocol designed to elicit child language. The number of different verbs used during the language sample is indicative of the child's grammar skills, with more verbs reflecting stronger grammar skills.

Outcome measures

Outcome measures
Measure
Enhanced Milieu Teaching-Sentence Focus
n=53 Participants
The study intervention is a behavioral intervention which will include individually teaching caregivers to use the intervention strategies from the Enhanced Milieu Teaching-Sentence Focus (EMT-SF) intervention using a manualized protocol (Teach-Model-Coach-Review). Caregivers will participate in 66 intervention sessions across 18 months, targeting vocabulary and grammar as well as the transition to decontextualized language. the Enhanced Milieu Teaching-Sentence Focus: Caregivers in the treatment group (EMT-SF) will receive 66 EMT-SF intervention sessions at home over 18 months. They will be taught the intervention strategies using a manualized protocol (Teach-Model-Coach-Review).
Business-as-usual Control
n=52 Participants
Caregivers in the control group will participate in community-based intervention services and receive the same printed intervention instructions, books, and toys at the same intervals as the treatment group, but will not receive EMT-SF intervention.
Number of Different Verbs From a Language Sample
16.51 Different Verbs
Standard Deviation 5.30
16.63 Different Verbs
Standard Deviation 4.95

PRIMARY outcome

Timeframe: Assessed when participants were 49 months old

The language sample is a structured protocol designed to elicit child language. The number of different noun subjects used during the language sample is indicative of the child's grammar skills, with more subjects reflecting stronger grammar skills.

Outcome measures

Outcome measures
Measure
Enhanced Milieu Teaching-Sentence Focus
n=53 Participants
The study intervention is a behavioral intervention which will include individually teaching caregivers to use the intervention strategies from the Enhanced Milieu Teaching-Sentence Focus (EMT-SF) intervention using a manualized protocol (Teach-Model-Coach-Review). Caregivers will participate in 66 intervention sessions across 18 months, targeting vocabulary and grammar as well as the transition to decontextualized language. the Enhanced Milieu Teaching-Sentence Focus: Caregivers in the treatment group (EMT-SF) will receive 66 EMT-SF intervention sessions at home over 18 months. They will be taught the intervention strategies using a manualized protocol (Teach-Model-Coach-Review).
Business-as-usual Control
n=52 Participants
Caregivers in the control group will participate in community-based intervention services and receive the same printed intervention instructions, books, and toys at the same intervals as the treatment group, but will not receive EMT-SF intervention.
Number of Different Subjects From a Language Sample
14.43 Different Subjects
Standard Deviation 5.63
15.84 Different Subjects
Standard Deviation 5.05

PRIMARY outcome

Timeframe: Assessed when participants were 49 months old

The language sample is a structured protocol designed to elicit child language. The number of clauses per utterance during the language sample is indicative of the child's grammar skills, with more clauses reflecting stronger grammar skills.

Outcome measures

Outcome measures
Measure
Enhanced Milieu Teaching-Sentence Focus
n=53 Participants
The study intervention is a behavioral intervention which will include individually teaching caregivers to use the intervention strategies from the Enhanced Milieu Teaching-Sentence Focus (EMT-SF) intervention using a manualized protocol (Teach-Model-Coach-Review). Caregivers will participate in 66 intervention sessions across 18 months, targeting vocabulary and grammar as well as the transition to decontextualized language. the Enhanced Milieu Teaching-Sentence Focus: Caregivers in the treatment group (EMT-SF) will receive 66 EMT-SF intervention sessions at home over 18 months. They will be taught the intervention strategies using a manualized protocol (Teach-Model-Coach-Review).
Business-as-usual Control
n=52 Participants
Caregivers in the control group will participate in community-based intervention services and receive the same printed intervention instructions, books, and toys at the same intervals as the treatment group, but will not receive EMT-SF intervention.
Number of Clauses Per Utterance From a Language Sample
0.70 Clauses per Utterance
Standard Deviation 0.26
0.74 Clauses per Utterance
Standard Deviation 0.23

SECONDARY outcome

Timeframe: Assessed when participants were 36 months old

The Peabody Picture Vocabulary Test-Fifth Edition (PPVT-5) is a standardized measure of receptive vocabulary. The PPVT-5 yields a Standard Score (M = 100, SD = 15, range = 40 - 160), with higher scores indicating better receptive vocabulary.

Outcome measures

Outcome measures
Measure
Enhanced Milieu Teaching-Sentence Focus
n=53 Participants
The study intervention is a behavioral intervention which will include individually teaching caregivers to use the intervention strategies from the Enhanced Milieu Teaching-Sentence Focus (EMT-SF) intervention using a manualized protocol (Teach-Model-Coach-Review). Caregivers will participate in 66 intervention sessions across 18 months, targeting vocabulary and grammar as well as the transition to decontextualized language. the Enhanced Milieu Teaching-Sentence Focus: Caregivers in the treatment group (EMT-SF) will receive 66 EMT-SF intervention sessions at home over 18 months. They will be taught the intervention strategies using a manualized protocol (Teach-Model-Coach-Review).
Business-as-usual Control
n=52 Participants
Caregivers in the control group will participate in community-based intervention services and receive the same printed intervention instructions, books, and toys at the same intervals as the treatment group, but will not receive EMT-SF intervention.
Peabody Picture Vocabulary Test - 5th Edition (PPVT-5)
93.94 Standard Score Points
Standard Deviation 12.58
89.45 Standard Score Points
Standard Deviation 11.16

SECONDARY outcome

Timeframe: Assessed when participants were 36 months old

The Expressive Vocabulary Test - 3rd edition (EVT-3) is a standardized measure of expressive vocabulary. The EVT-3 yields a Standard Score (M = 100, SD = 15, range = 40 - 160), with higher scores indicating better expressive vocabulary.

Outcome measures

Outcome measures
Measure
Enhanced Milieu Teaching-Sentence Focus
n=53 Participants
The study intervention is a behavioral intervention which will include individually teaching caregivers to use the intervention strategies from the Enhanced Milieu Teaching-Sentence Focus (EMT-SF) intervention using a manualized protocol (Teach-Model-Coach-Review). Caregivers will participate in 66 intervention sessions across 18 months, targeting vocabulary and grammar as well as the transition to decontextualized language. the Enhanced Milieu Teaching-Sentence Focus: Caregivers in the treatment group (EMT-SF) will receive 66 EMT-SF intervention sessions at home over 18 months. They will be taught the intervention strategies using a manualized protocol (Teach-Model-Coach-Review).
Business-as-usual Control
n=52 Participants
Caregivers in the control group will participate in community-based intervention services and receive the same printed intervention instructions, books, and toys at the same intervals as the treatment group, but will not receive EMT-SF intervention.
Expressive Vocabulary Test - 3rd Edition (EVT-3)
91.87 Standard Score Points
Standard Deviation 13.47
91.42 Standard Score Points
Standard Deviation 13.74

SECONDARY outcome

Timeframe: Assessed when participants were 42 months old

The Structured Photographic Expressive Language Test - Preschool 2nd edition (SPELT-P2) is a standardized assessment of expressive grammar. The SPELT-P2 Raw Score (min = 0; max = 40) represents the child's expressive grammar, with higher scores indicating better expressive grammar.

Outcome measures

Outcome measures
Measure
Enhanced Milieu Teaching-Sentence Focus
n=53 Participants
The study intervention is a behavioral intervention which will include individually teaching caregivers to use the intervention strategies from the Enhanced Milieu Teaching-Sentence Focus (EMT-SF) intervention using a manualized protocol (Teach-Model-Coach-Review). Caregivers will participate in 66 intervention sessions across 18 months, targeting vocabulary and grammar as well as the transition to decontextualized language. the Enhanced Milieu Teaching-Sentence Focus: Caregivers in the treatment group (EMT-SF) will receive 66 EMT-SF intervention sessions at home over 18 months. They will be taught the intervention strategies using a manualized protocol (Teach-Model-Coach-Review).
Business-as-usual Control
n=52 Participants
Caregivers in the control group will participate in community-based intervention services and receive the same printed intervention instructions, books, and toys at the same intervals as the treatment group, but will not receive EMT-SF intervention.
Structured Photographic Expressive Language Test - Preschool 2nd Edition (SPELT-P2)
10.00 Raw Score Points
Standard Deviation 7.55
7.90 Raw Score Points
Standard Deviation 5.95

SECONDARY outcome

Timeframe: Assessed when participants were 49 months old

The Structured Photographic Expressive Language Test - Preschool 2nd edition (SPELT-P2) is a standardized assessment of expressive grammar. The SPELT-P2 Raw Score (min = 0; max = 40) represents the child's expressive grammar, with higher scores indicating better expressive grammar.

Outcome measures

Outcome measures
Measure
Enhanced Milieu Teaching-Sentence Focus
n=53 Participants
The study intervention is a behavioral intervention which will include individually teaching caregivers to use the intervention strategies from the Enhanced Milieu Teaching-Sentence Focus (EMT-SF) intervention using a manualized protocol (Teach-Model-Coach-Review). Caregivers will participate in 66 intervention sessions across 18 months, targeting vocabulary and grammar as well as the transition to decontextualized language. the Enhanced Milieu Teaching-Sentence Focus: Caregivers in the treatment group (EMT-SF) will receive 66 EMT-SF intervention sessions at home over 18 months. They will be taught the intervention strategies using a manualized protocol (Teach-Model-Coach-Review).
Business-as-usual Control
n=52 Participants
Caregivers in the control group will participate in community-based intervention services and receive the same printed intervention instructions, books, and toys at the same intervals as the treatment group, but will not receive EMT-SF intervention.
Structured Photographic Expressive Language Test - Preschool 2nd Edition (SPELT-P2)
17.63 Raw Score Points
Standard Deviation 8.77
14.94 Raw Score Points
Standard Deviation 7.92

SECONDARY outcome

Timeframe: Assessed when participants were 42 months old

The Test of Early Grammatical Impairment (TEGI) is a criterion-based assessment of expressive morphology. The TEGI includes two subscales: Third Person Singular Probe Subscale and the Past Tense Probe Subscale. Each subscale yields an accuracy score (min = 0, max = 100), with higher scores indicating better expressive morphology.

Outcome measures

Outcome measures
Measure
Enhanced Milieu Teaching-Sentence Focus
n=53 Participants
The study intervention is a behavioral intervention which will include individually teaching caregivers to use the intervention strategies from the Enhanced Milieu Teaching-Sentence Focus (EMT-SF) intervention using a manualized protocol (Teach-Model-Coach-Review). Caregivers will participate in 66 intervention sessions across 18 months, targeting vocabulary and grammar as well as the transition to decontextualized language. the Enhanced Milieu Teaching-Sentence Focus: Caregivers in the treatment group (EMT-SF) will receive 66 EMT-SF intervention sessions at home over 18 months. They will be taught the intervention strategies using a manualized protocol (Teach-Model-Coach-Review).
Business-as-usual Control
n=52 Participants
Caregivers in the control group will participate in community-based intervention services and receive the same printed intervention instructions, books, and toys at the same intervals as the treatment group, but will not receive EMT-SF intervention.
Test of Early Grammatical Impairment - 3rd Person Singular & Past Tense Probes (TEGI)
Third Person Singular Probe
20.03 Accuracy Score Points
Standard Deviation 30.92
16.67 Accuracy Score Points
Standard Deviation 26.07
Test of Early Grammatical Impairment - 3rd Person Singular & Past Tense Probes (TEGI)
Past Tense Probe
25.61 Accuracy Score Points
Standard Deviation 32.85
13.79 Accuracy Score Points
Standard Deviation 24.91

SECONDARY outcome

Timeframe: Assessed when participants were 49 months old

The Test of Early Grammatical Impairment (TEGI) is a criterion-based assessment of expressive morphology. The TEGI includes two subscales: Third Person Singular Probe Subscale and the Past Tense Probe Subscale. Each subscale yields an accuracy score (min = 0, max = 100), with higher scores indicating better expressive morphology.

Outcome measures

Outcome measures
Measure
Enhanced Milieu Teaching-Sentence Focus
n=53 Participants
The study intervention is a behavioral intervention which will include individually teaching caregivers to use the intervention strategies from the Enhanced Milieu Teaching-Sentence Focus (EMT-SF) intervention using a manualized protocol (Teach-Model-Coach-Review). Caregivers will participate in 66 intervention sessions across 18 months, targeting vocabulary and grammar as well as the transition to decontextualized language. the Enhanced Milieu Teaching-Sentence Focus: Caregivers in the treatment group (EMT-SF) will receive 66 EMT-SF intervention sessions at home over 18 months. They will be taught the intervention strategies using a manualized protocol (Teach-Model-Coach-Review).
Business-as-usual Control
n=52 Participants
Caregivers in the control group will participate in community-based intervention services and receive the same printed intervention instructions, books, and toys at the same intervals as the treatment group, but will not receive EMT-SF intervention.
Test of Early Grammatical Impairment - 3rd Person Singular & Past Tense Probes (TEGI)
Third Person Singular Probe
49.80 Accuracy Score Points
Standard Deviation 38.82
31.72 Accuracy Score Points
Standard Deviation 35.87
Test of Early Grammatical Impairment - 3rd Person Singular & Past Tense Probes (TEGI)
Past Tense Probe
36.83 Accuracy Score Points
Standard Deviation 34.47
25.30 Accuracy Score Points
Standard Deviation 33.39

SECONDARY outcome

Timeframe: Assessed when participants were 49 months old

The FOCUS is a 50-item caregiver-report questionnaire that measures functional communication. Caregivers rate each item on a 7-point Likert scale (0 = Cannot do at all, 7 = Can always do without help), which yields a total score ranging from 0 to 350, with higher scores indicating better functional communication skills.

Outcome measures

Outcome measures
Measure
Enhanced Milieu Teaching-Sentence Focus
n=53 Participants
The study intervention is a behavioral intervention which will include individually teaching caregivers to use the intervention strategies from the Enhanced Milieu Teaching-Sentence Focus (EMT-SF) intervention using a manualized protocol (Teach-Model-Coach-Review). Caregivers will participate in 66 intervention sessions across 18 months, targeting vocabulary and grammar as well as the transition to decontextualized language. the Enhanced Milieu Teaching-Sentence Focus: Caregivers in the treatment group (EMT-SF) will receive 66 EMT-SF intervention sessions at home over 18 months. They will be taught the intervention strategies using a manualized protocol (Teach-Model-Coach-Review).
Business-as-usual Control
n=52 Participants
Caregivers in the control group will participate in community-based intervention services and receive the same printed intervention instructions, books, and toys at the same intervals as the treatment group, but will not receive EMT-SF intervention.
Focus on the Outcomes of Children Under Six (FOCUS)
257.94 Raw Score Points
Standard Deviation 49.81
242.43 Raw Score Points
Standard Deviation 51.66

SECONDARY outcome

Timeframe: Assessed when participants were 49 months old

The language sample is a structured protocol designed to elicit child language. The language sample yields the number of utterances containing decontextualized language (i.e., instances of recalling the past, discussing the future, and providing explanations or definitions), with more decontextualized utterances reflecting stronger language skills.

Outcome measures

Outcome measures
Measure
Enhanced Milieu Teaching-Sentence Focus
n=53 Participants
The study intervention is a behavioral intervention which will include individually teaching caregivers to use the intervention strategies from the Enhanced Milieu Teaching-Sentence Focus (EMT-SF) intervention using a manualized protocol (Teach-Model-Coach-Review). Caregivers will participate in 66 intervention sessions across 18 months, targeting vocabulary and grammar as well as the transition to decontextualized language. the Enhanced Milieu Teaching-Sentence Focus: Caregivers in the treatment group (EMT-SF) will receive 66 EMT-SF intervention sessions at home over 18 months. They will be taught the intervention strategies using a manualized protocol (Teach-Model-Coach-Review).
Business-as-usual Control
n=52 Participants
Caregivers in the control group will participate in community-based intervention services and receive the same printed intervention instructions, books, and toys at the same intervals as the treatment group, but will not receive EMT-SF intervention.
Decontextualized Language From a Language Sample
1.21 Decontextualized Language Utterances
Standard Deviation 1.79
0.76 Decontextualized Language Utterances
Standard Deviation 1.56

SECONDARY outcome

Timeframe: Assessed when participants were 49 months old

The Renfrew Bus Story-North American Edition (RBS-NA) is a narrative assessment in which children listen to a story while viewing a picture book and then retell the story. The Renfrew Bus Story Information Score (Min = 0, Max = 56) represents the inclusion of story details during the retell task, with higher scores indicating stronger narrative retell skills.

Outcome measures

Outcome measures
Measure
Enhanced Milieu Teaching-Sentence Focus
n=53 Participants
The study intervention is a behavioral intervention which will include individually teaching caregivers to use the intervention strategies from the Enhanced Milieu Teaching-Sentence Focus (EMT-SF) intervention using a manualized protocol (Teach-Model-Coach-Review). Caregivers will participate in 66 intervention sessions across 18 months, targeting vocabulary and grammar as well as the transition to decontextualized language. the Enhanced Milieu Teaching-Sentence Focus: Caregivers in the treatment group (EMT-SF) will receive 66 EMT-SF intervention sessions at home over 18 months. They will be taught the intervention strategies using a manualized protocol (Teach-Model-Coach-Review).
Business-as-usual Control
n=52 Participants
Caregivers in the control group will participate in community-based intervention services and receive the same printed intervention instructions, books, and toys at the same intervals as the treatment group, but will not receive EMT-SF intervention.
Renfrew Bus Story - North American Edition (RBS-NA)
10.07 Information Score Points
Standard Deviation 5.81
9.40 Information Score Points
Standard Deviation 5.16

SECONDARY outcome

Timeframe: Assessed when participants were 49 months old

The CBCL is a caregiver-report questionnaire that measures problem behaviors, including those directed inwardly (i.e., internalizing problems) and those directed outwardly (i.e., externalizing problems). The CBCL yields an Internalizing Problems T-Score (M = 50, SD = 10), with lower scores indicating fewer internalizing problems.

Outcome measures

Outcome measures
Measure
Enhanced Milieu Teaching-Sentence Focus
n=53 Participants
The study intervention is a behavioral intervention which will include individually teaching caregivers to use the intervention strategies from the Enhanced Milieu Teaching-Sentence Focus (EMT-SF) intervention using a manualized protocol (Teach-Model-Coach-Review). Caregivers will participate in 66 intervention sessions across 18 months, targeting vocabulary and grammar as well as the transition to decontextualized language. the Enhanced Milieu Teaching-Sentence Focus: Caregivers in the treatment group (EMT-SF) will receive 66 EMT-SF intervention sessions at home over 18 months. They will be taught the intervention strategies using a manualized protocol (Teach-Model-Coach-Review).
Business-as-usual Control
n=52 Participants
Caregivers in the control group will participate in community-based intervention services and receive the same printed intervention instructions, books, and toys at the same intervals as the treatment group, but will not receive EMT-SF intervention.
Child Behavior Checklist (CBCL) Internalizing Problems
45.18 T Score Points
Standard Deviation 9.35
46.35 T Score Points
Standard Deviation 10.27

Adverse Events

Enhanced Milieu Teaching-Sentence Focus

Serious events: 5 serious events
Other events: 0 other events
Deaths: 0 deaths

Business-as-usual Control

Serious events: 10 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Enhanced Milieu Teaching-Sentence Focus
n=53 participants at risk
The study intervention is a behavioral intervention which will include individually teaching caregivers to use the intervention strategies from the Enhanced Milieu Teaching-Sentence Focus (EMT-SF) intervention using a manualized protocol (Teach-Model-Coach-Review). Caregivers will participate in 66 intervention sessions across 18 months, targeting vocabulary and grammar as well as the transition to decontextualized language. the Enhanced Milieu Teaching-Sentence Focus: Caregivers in the treatment group (EMT-SF) will receive 66 EMT-SF intervention sessions at home over 18 months. They will be taught the intervention strategies using a manualized protocol (Teach-Model-Coach-Review).
Business-as-usual Control
n=55 participants at risk
Caregivers in the control group will participate in community-based intervention services and receive the same printed intervention instructions, books, and toys at the same intervals as the treatment group, but will not receive EMT-SF intervention.
Congenital, familial and genetic disorders
22Q Diagnosis
0.00%
0/53 • From enrollment until the end of follow-up, up to 18 months.
1.8%
1/55 • From enrollment until the end of follow-up, up to 18 months.
Respiratory, thoracic and mediastinal disorders
Persistent illness
1.9%
1/53 • From enrollment until the end of follow-up, up to 18 months.
0.00%
0/55 • From enrollment until the end of follow-up, up to 18 months.
Respiratory, thoracic and mediastinal disorders
Hospitalized for Asthma
0.00%
0/53 • From enrollment until the end of follow-up, up to 18 months.
3.6%
2/55 • From enrollment until the end of follow-up, up to 18 months.
General disorders
Autism Diagnosis
0.00%
0/53 • From enrollment until the end of follow-up, up to 18 months.
1.8%
1/55 • From enrollment until the end of follow-up, up to 18 months.
Respiratory, thoracic and mediastinal disorders
Hospitalized for RSV
1.9%
1/53 • From enrollment until the end of follow-up, up to 18 months.
1.8%
1/55 • From enrollment until the end of follow-up, up to 18 months.
Surgical and medical procedures
Outpatient Surgery (e.g., Tonsillectomy, adenoidectomy, frenectomy, tympanostomy)
3.8%
2/53 • From enrollment until the end of follow-up, up to 18 months.
7.3%
4/55 • From enrollment until the end of follow-up, up to 18 months.
Blood and lymphatic system disorders
Neutropenia Diagnosis
0.00%
0/53 • From enrollment until the end of follow-up, up to 18 months.
1.8%
1/55 • From enrollment until the end of follow-up, up to 18 months.
Surgical and medical procedures
Partial Pinky Amputation
1.9%
1/53 • From enrollment until the end of follow-up, up to 18 months.
0.00%
0/55 • From enrollment until the end of follow-up, up to 18 months.

Other adverse events

Adverse event data not reported

Additional Information

Megan Roberts

Northwestern University

Phone: 847-491-3183

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place