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Related Experiment Video

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Use of a Video Scoring Anchor for Rapid Serial Assessment of Social Communication in Toddlers

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The Selective Mutism Questionnaire: Data from typically developing children and children with selective mutism.

Beate Oerbeck¹, Kristin Romvig Overgaard¹, R Lindsey Bergman²

¹Division of Mental Health and Addiction, Oslo University Hospital, Norway.

Clinical Child Psychology and Psychiatry

|April 14, 2020

Summary

Selective mutism (SM) is characterized by a lack of speech in specific situations. This study found that the Selective Mutism Questionnaire (SMQ) and School Speech Questionnaire (SSQ) effectively assess SM severity and treatment outcomes in children.

Keywords:

School Speech Questionnaire Selective Mutism Questionnaire Selective mutism typically developing children

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Area of Science:

Child Psychology
Clinical Psychology
Developmental Psychology

Background:

Selective mutism (SM) is an anxiety disorder defined by a consistent failure to speak in specific social situations.
Standardized instruments like the Selective Mutism Questionnaire (SMQ) and School Speech Questionnaire (SSQ) are used to assess SM severity and treatment efficacy.
Prospective data on speech behavior in typically developing children (TDs) are lacking, hindering comparative analysis.

Purpose of the Study:

To provide prospective data on speech behavior in typically developing children (TDs) over time.
To compare TD speech behavior with data from children undergoing treatment for SM.
To validate the utility of the SMQ and SSQ for assessing SM and treatment effects.

Main Methods:

A cohort of 64 children aged 3-9 years was studied, including 32 TDs as a matched control group for 32 children with SM.
The parent-rated SMQ and teacher-rated SSQ were administered to assess speaking behavior.
Speech behavior was tracked over time to observe changes in both groups.

Main Results:

At baseline, TDs exhibited higher mean SMQ and SSQ scores (≥2.5) compared to children with SM (0.5).
TDs demonstrated no significant changes in speech behavior over the study period.
Children with SM showed a statistically significant increase in speech post-treatment.

Conclusions:

The SMQ and SSQ are reliable tools for assessing baseline SM severity.
These questionnaires are effective in evaluating the impact of treatments for selective mutism.
The findings support the use of SMQ/SSQ in clinical practice and future research for SM.