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Does Block Play Improve Language Acquisition: A Randomized Trial

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ClinicalTrials.gov Identifier: NCT00428376
Recruitment Status : Completed
First Posted : January 30, 2007
Last Update Posted : September 29, 2008
Information provided by:

Study Description
Brief Summary:
This is a randomized controlled trial of distributing blocks to children ages 1.5 -2.5 years of age to see if language acquisition improves.

Condition or disease Intervention/treatment
Healthy Device: Building Blocks

Detailed Description:
Children in age group are randomized to get two sets of blocks or not. Outcomes include language development assessed using the Macarthur Bates CDI 6 months after enrollment.

Study Design

Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 200 participants
Allocation: Randomized
Intervention Model: Single Group Assignment
Masking: Single
Official Title: Clinical Trial of Building Block Distribution in Children
Study Start Date : September 2005
Primary Completion Date : September 2006
Study Completion Date : September 2006
Arms and Interventions

Outcome Measures

Primary Outcome Measures :
  1. Macarthur Bates Language Inventory

Secondary Outcome Measures :
  1. TV viewing
  2. Block play

Eligibility Criteria

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Months to 30 Months   (Child)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • healthy children

Exclusion Criteria:

  • developmental delay, non-English
Contacts and Locations

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00428376

Sponsors and Collaborators
University of Washington
Principal Investigator: Dimitri Christakis, MD MPH University of Washington
More Information

Responsible Party: Dmitri Christakis, MD, MPH, University of Washington
ClinicalTrials.gov Identifier: NCT00428376     History of Changes
Other Study ID Numbers: 05-0636-01
First Posted: January 30, 2007    Key Record Dates
Last Update Posted: September 29, 2008
Last Verified: September 2008