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Table 4 Practice effects on repeated administrations over a 4-week interval

From: Expressive language sampling as a source of outcome measures for treatment studies in fragile X syndrome: feasibility, practice effects, test-retest reliability, and construct validity

 

Conversation (n = 87)

Narration (n = 88)

Measure

Visit 1

Retest

Visit 1

Retest

 

M

SD

M

SD

M

SD

M

SD

Lexical diversity

77.99

31.78

82.43

34.01

67.13

31.66

69.56

31.97

Syntax

3.64

1.39

3.81

1.46

4.80

2.13

4.96

2.20

Talkativeness

14.56

5.40

14.84

4.96

12.24

5.59

12.15

5.11

Unintelligibility

0.15

0.13

0.16

0.15

0.16

0.17

0.16

0.16

Dysfluency

0.20

0.13

0.21

0.13

0.17

0.12

0.19

0.14

  1. None of the t tests comparing the first and retest administrations was significant at p < .050 (even uncorrected for multiple tests)
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Journal of Neurodevelopmental Disorders

ISSN: 1866-1955

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