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Table 2 Descriptive statistics for the attention test battery

From: Route knowledge and configural knowledge in typical and atypical development: a comparison of sparse and rich environments

  Mean SD Range
Go/No Go task reaction time
 TD 0.58 0.14 0.38–1.16
 DS 0.75 0.25 0.45–1.34
 WS 0.61 0.13 0.35–0.83
Go/No Go errors
 TD 1.85 1.86 0–8
 DS 1.97 2.15 0–8
 WS 2.10 2.01 0–9
GNG RT in the switching condition
 TD 0.64 0.14 0.43–1.15
 DS 0.84 1.89 0.53–1.31
 WS 0.69 0.13 0.48–0.92
Switching reaction time    
 TD 0.06 0.08 –0.15–0.28
 DS 0.08 0.18 −0.30–0.41
 WS 0.07 0.07 −0.08–0.22
Sustained attention reaction time
 TD 0.67 0.18 0.46–1.43
 DS 0.81 0.24 0.51–1.42
 WS 0.66 0.15 0.46–0.94
Selective attention reaction time
 TD 0.10 0.08 −0.07–0.42
 DS 0.12 0.28 −0.39–0.91
 WS 0.18 0.16 −0.07–0.53
  1. TD typically developing, DS down syndrome, WS Williams syndrome