Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
2800 participants
INTERVENTIONAL
2021-03-02
2024-06-01
Brief Summary
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Detailed Description
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The most likely explanation for the IDS deficit among the poor is inaccurately low expectations about the pace of child development. A large body of literature in the US has shown that the lower the parents' SES, the lower their expectations about when children will master certain cognitive skills, e.g. speaking in a partial sentence of 3 words or more.
The study is a randomized evaluation of a low-cost intervention that encourages mothers and other caregivers to talk to infants, or to engage in what is known as infant-directed speech (IDS) as a way of promoting language and brain development in Tamale and surrounding areas, Ghana.
Parental beliefs about and practices of IDS will be evaluated through data obtained from a series of questions on these topics at baseline, during a short phone follow-up survey, and at endline. This will mainly be self-reported although we hope to explore the observation of said practices at endline. Results of the treatment arm will be compared to that of the comparison group to determine if the intervention is effective. To assess IDS behavior and child language development at endline, the LENA system (Language ENvironment Analysis) which produces two key measures It produced two key measures: adult word count (language the child hears) and conversational turns (the sounds/words the child produces in conversation with adults/others) will be compared among groups. Conditional on funding, there may be a 2-year follow-up survey (i.e. second endline) to measure children's cognitive development.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
* Infant Directed Speech (IDS) Video (Treatment; 50%): The participant will be shown a 3-minute video describing the value of IDS and how the participant can use IDS with their child. The participant will receive an IDS-themed wall calendar.
* Control (50%): No intervention. The participant will receive a regular wall calendar.
OTHER
NONE
Study Groups
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Infant Directed Speech (IDS) Video + IDS Calendar
The participant will be shown a 3-minute video describing the value of IDS and how the participant can use IDS with their child. The participant will receive an IDS-themed wall calendar.
Infant Directed Speech (IDS) Video + IDS Wall Calendar
IDS Video: The IDS video was developed by the research team. It is a simple animation with a voiceover describing the value of IDS and encouraging the viewer to speak to her babies and to tell family members to do so as well. The video has been translated into Dagbani and English (viewers select the language). They may choose to watch it twice.
Breastfeeding women are told by the surveyor following the video, "For instance, you could talk to your baby in full sentences when your baby is breastfeeding."
Wall Calendar: The calendar contains images from the video of parents practicing IDS, and key facts about IDS in bullet points. The 12-month calendar contains an empty star next to each week that the respondent can fill in if they perform IDS at least once a day in that week. The calendar also provides a link to a Facebook page where the respondents can re-watch the video or show it to others (https://www.facebook.com/ghanababytalk/videos).
Control
No intervention. The participant will receive a regular wall calendar with an image of Stanford.
No interventions assigned to this group
Interventions
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Infant Directed Speech (IDS) Video + IDS Wall Calendar
IDS Video: The IDS video was developed by the research team. It is a simple animation with a voiceover describing the value of IDS and encouraging the viewer to speak to her babies and to tell family members to do so as well. The video has been translated into Dagbani and English (viewers select the language). They may choose to watch it twice.
Breastfeeding women are told by the surveyor following the video, "For instance, you could talk to your baby in full sentences when your baby is breastfeeding."
Wall Calendar: The calendar contains images from the video of parents practicing IDS, and key facts about IDS in bullet points. The 12-month calendar contains an empty star next to each week that the respondent can fill in if they perform IDS at least once a day in that week. The calendar also provides a link to a Facebook page where the respondents can re-watch the video or show it to others (https://www.facebook.com/ghanababytalk/videos).
Eligibility Criteria
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Inclusion Criteria
* Must be age 18 to 40 years old
* Be either pregnant or mothers of young infants at the time of baseline.
* Must speak English or Dagbani (a language local to Tamale and the surrounding areas)
The endline survey will also include child participants.
* Must be the biological children (or wards) of the baseline respondents
* Must be age 2-18 months old during the endline period
18 Years
40 Years
ALL
Yes
Sponsors
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Stanford University
OTHER
Northwestern University
OTHER
Responsible Party
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Locations
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Northwestern University
Evanston, Illinois, United States
Countries
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Provided Documents
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Document Type: Informed Consent Form
Other Identifiers
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STU00213766
Identifier Type: -
Identifier Source: org_study_id
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