Speech Sound Acquisition Norms for Urdu-Speaking Children Aged 2-6 Years

Supplementary Material for: Speech Sound Acquisition in Urdu-speaking Children provides normative data for speech sound assessment. The dataset includes speech samples from 208 Urdu-speaking children aged between 2;7 and 6;0 years, analyzed for phoneme emergence, acquisition, mastery, and accuracy. The study was uploaded to figshare by figshare admin karger in April 2026.

Use Cases

• Establishing developmental benchmarks for Urdu phoneme acquisition based on the normative data.
• Comparing universal trends and language-specific features in speech sound development based on the described findings.
• Assessing individual child speech accuracy using the Percentage of Consonants Correct (PCC) and Percentage of Vowels Correct (PVC) metrics.

Strengths

• Includes data from 208 children, providing a substantial sample size.
• Reports specific accuracy scores, such as 56.17 PCC and 74.56 PVC for the youngest group.
• Provides normative data for a language (Urdu) with limited existing studies on speech sound acquisition.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• The dataset is very small (40.8 KB), indicating limited scope.

Provenance

Source

figshare admin karger

Collection Method

Speech samples collected using the Urdu Speech Assessment Test.

Freshness

Last updated 2026-04-29 05:55:39; freshness should be verified.

Geography

Urdu-speaking children.