Table 9 Comparison between BOCA administration on a large screen (computer or iPad) and a small screen smartphone (77% responded on an iPhone; 23% responded on an Android smartphone). Positive β indicates greater score on a smartphone

Memory/Immediate Recall

0.36

0.19

1.89

0.07

Language/PFS

−0.18

0.19

−0.94

0.36

Clock Test

0.41

0.28

1.48

0.15

Mental Rotation

−0.23

0.16

−1.42

0.17

Attention

0.14

0.27

0.51

0.61

Mental Math

0.23

0.20

1.16

0.26

Orientation

0.18

0.14

1.28

0.21

Memory/Delayed Recall

−0.09

0.16

−0.57

0.58

Total Score

0.82

0.57

1.44

0.17