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Table 4 Test-retest reliability over a 4-week interval: bivariate correlations and intraclass correlations

From: Spoken language outcome measures for treatment studies in Down syndrome: feasibility, practice effects, test-retest reliability, and construct validity of variables generated from expressive language sampling

 

Conversation (n = 96)

Narration (n = 80)

r

ICC

r

ICC

Lexical Diversity

.86***

.92***

.88***

.93***

Syntax

.87***

.93***

.90***

.95***

Talkativeness

.75***

.86***

.65***

.79***

Unintelligibility

.82***

.90***

.72***

.87***

Dysfluency

.77***

.87***

.76***

.84***

  1. All correlations remain significant after FDR correction
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Journal of Neurodevelopmental Disorders

ISSN: 1866-1955

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