Table 2 Descriptive statistics (mean and standard deviation) and synthetic description of T-RCF indices.

From: Automated scoring for a Tablet-based Rey Figure copy task differentiates constructional, organisational, and motor abilities

INDEX

Mean

SD

Synthetic description

sHP

2.77

1.48

Accuracy in positioning the elements on the horizontal axes (> sHP < accuracy)

sVP

2.61

1.12

Accuracy in positioning the elements on the vertical axes (> sVP < accuracy)

sLG

4.49

1.61

Accuracy in reproducing the length of the elements (> sLG < accuracy)

sIC

5.67

2.06

Accuracy in reproducing the inclination of the elements (> sIC < accuracy)

pOR

8.93

4.65

Level of organisation in the order of the elements of the T-RCF (> pOR < organisation)

pBR

18.81

11.11

Level of priority given to the base rectangle (> pBR < priority)

pID

73.97

10.35

Level of priority given to the inner details (> pID < priority)

pFR

6.11

4.09

Degree of fragmentation of the basic units of the T-RCF (> pFR > fragmentation)

kVL

38.26

9.83

Mean velocity per stroke (> kVL > velocity)

kAC

243.09

99.18

Change of rate of velocity during acceleration phases (> kAC > change)

kDC

252.39

106.24

Change of rate of velocity during deceleration phases (> kDC > change)

kPK

4.57

1.56

Number of peaks per stroke (> kPK > number of peaks)

  1. N = 97(excluding outliers); sHP horizontal placement accuracy, sVP vertical placement accuracy, sLG length accuracy, sIC inclination accuracy, pBR base rectangle priority, pID inner details priority, pOR organisation by relevance, pFR fragmentation, kVL mean velocity, kAC mean acceleration, kDC mean deceleration, kPK number of peak velocity.
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