Table 1 Absolute average differences (|Δ|) within the CVAT parameters (time, ISI, and TP) for each CVAT variable (RT, VRT, OE, and CE).

From: Sustained attention can be measured using a brief computerized attention task

Parameters

|Δ|RT (ms)

|Δ|VRT (ms)

|Δ|OE

|Δ|CE

Time

5 min vs. 10 min

10.00 (2.29)

3.35 (0.99)

0.08 (0.06)

0.34 (0.41)

5 min vs. 15 min

12.44 (2.40)

3.83 (1.03)

0.01 (0.06)

2.05 (0.39)

10 min vs. 15 min

2.44 (2.44)

0.48 (1.01)

0.04 (0.06)

1.71 (0.39)

ISI

1 s vs. 2 s

7.11 (2.28)

5.91 (1.05)

0.23 (0.07)

2.41 (0.41)

1 s vs. 4 s

19.01 (2.40)

8.89 (1.07)

0.28 (0.06)

0.14 (0.45)

2 s vs. 4 s

11.89 (2.42)

2.98 (1.06)

0.05 (0.06)

2.27 (0.42)

TP

High vs. low

39.2 (2.31)

4.80 (0.95)

0.03 (0.05)

11.89 (0.42)

  1. Each difference is represented by its respective mean (standard deviation). In bold, clinically significant differences.
  2. CVAT continuous visual attention test, Time test length, SOA ISI + stimulus duration, ISI inter stimulus interval, TP target probability; RT reaction time, VRT variability of reaction time, OE omission errors, CE commission errors, ms milliseconds.
Back to article page