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Table 4 Neurobehavioral test scores by types of the computer

From: Effects of computer familiarity and computer type on the performance of Korean computerized neurobehavioral test

Neurobehavioral tests

Types of the computer

F or χ 2*

p-value*

Type I

Type II

Type III

Simple Reaction time (msec)

 Mean reaction time

414.9 (53.5)ab

393.4 (51.1)ac

334.3 (34.3)bc

65.181

< 0.001

  Group I

412.4 (35.4)a

374.8 (40.6)

349.3 (31.8)a

6.184

0.008

  Group II

417.2 (64.6)a

394.1 (55.7)b

336.1 (39.1)ab

20.240

< 0.001

  Group III

413.6 (46.9)a

396.5 (49.3)b

330.0 (30.3)ab

43.288

< 0.001

 SD of mean reaction time

55.9 (21.8)

50.6 (17.9)

51.9 (20.8)

1.541

0.216

  Group I

55.8 (16.1)

54.1 (18.3)

62.8 (23.6)

0.439

0.650

  Group II

57.7 (25.9)

48.2 (18.8)

48.8 (19.7)

2.047

0.135

  Group III

54.4 (19.3)

51.9 (17.3)

52.3 (20.9)

0.202

0.817

Choice Reaction Time (msec)

 Mean reaction time

645.7 (108.3)ab

612.5 (88.9)ac

544.5 (84.9)bc

24.686

< 0.001

  Group I

710.5 (84.2)

695.6 (108.1)

652.4 (55.3)

1.002

0.384

  Group II

663.8 (119.7)a

624.7 (88.6)b

561.3 (93.5)ab

8.559

< 0.001

  Group III

619.2 (96.2)a

587.1 (74.5)b

510.8 (58.5)ab

21.436

< 0.001

 SD of mean reaction time

98.6 (37.4)

95.3 (36.3)

86.6 (34.4)

2.436

0.090

  Group I

122.8 (35.9)

137.4 (28.5)

139.3 (33.9)

0.603

0.556

  Group II

101.9 (40.4)

91.8 (38.6)

84.7 (28.6)

1.874

0.159

  Group III

91.4 (33.7)

90.0 (30.8)

78.1 (30.4)

2.244

0.110

 Number of error

0.8 (1.7)

0.3 (0.7)

0.4 (0.6)

3.297

0.192

  Group I

0.8 (0.7)

0.6 (0.9)

0.1 (0.4)

3.757

0.153

  Group II

0.5 (1.0)

0.2 (0.7)

0.3 (0.5)

1.294

0.524

  Group III

1.0 (2.3)

0.3 (0.6)

0.5 (0.6)

2.493

0.287

Addition (msec)

 Mean reaction time

2520.0 (516.7)

2386.5 (516.6)

2368.8 (443.4)

2.329

0.100

  Group I

2915.0 (705.7)

2807.0 (784.4)

2720.5 (673.5)

0.145

0.866

  Group II

2593.2 (424.8)

2468.4 (506.0)

2462.3 (438.7)

0.858

0.427

  Group III

2387.3 (505.2)

2242.1 (409.5)

2228.3 (337.8)

1.820

0.166

 SD of mean reaction time

651.4 (262.5)

575.4 (243.0)

606.9 (246.7)

1.924

0.148

  Group I

636.9 (253.7)

526.3 (190.6)

561.6 (249.4)

0.470

0.631

  Group II

692.6 (262.7)

598.5 (245.6)

616.7 (270.2)

1.219

0.300

  Group III

621.7 (265.7)

566.5 (252.7)

607.8 (231.6)

0.552

0.577

 Number of error

2.4 (2.3)

2.3 (2.3)

2.7 (2.4)

1.026

0.599

  Group I

4.4 (3.5)

4.4 (2.5)

4.5 (2.3)

0.188

0.910

  Group II

2.2 (2.2)

2.1 (1.7)

2.1 (2.0)

0.103

0.950

  Group III

2.1 (2.0)

2.1 (2.4)

2.8 (2.5)

2.391

0.303

  1. The value are expressed as mean (standard deviation). SD standard deviation. *calculated by one way ANOVA or Kruskal Wallis test, same letters such as a, b and c in same row indicate differences at the 5 % significance level by post hoc test of Bonferroni F