Table 6 Linguistic features of the stories.

From: Detecting Parkinson’s disease and its cognitive phenotypes via automated semantic analyses of action stories

 

Action text

Non-action text

Statistic

p-value*

Charactersa

944

978

χ² = 0.60

0.44

Words

208

204

χ² = 0.04

0.84

Nouns

48

44

χ² = 0.17

0.68

Adjectives

7

9

χ² = 0.25

0.62

Adverbs

6

8

χ² = 0.29

0.59

Verbs

32

32

χ² = 0

1

Action verbs

1

24

χ² = 21.16

<0.001

Non-action verbs

31

8

χ² = 13.56

<0.001

Content word frequencyb

1.63

1.79

t = 1.53

0.13

Content word familiarityb

6.15

6.24

t = 0.74

0.46

Content word imageabilityc

5.25

4.97

t = 1.39

0.17

Content word syllabic lengthc

2.52

2.49

t = 0.25

0.80

Content word graphemic lengthc

6.16

6.26

t = 0.36

0.72

Sentences

22

22

χ² = 0

1

Minor sentences

3

3

χ² = 0

1

Simple sentences

8

8

χ² = 0

1

Compound sentences

4

3

χ² = 0.14

0.71

Complex/complex-compound sentences

7

8

χ² = 0.07

0.80

Grammatical correctnessd

4.52

4.29

t = 0.66

0.51

Coherenced

4.05

3.86

t = 0.62

0.54

Comprehensibilityd

4.24

4.10

t = 1.05

0.30

Readabilitye

79.92

77.3

χ² = 0.04

0.83

Reading difficultyf

Fairly easy

Fairly easy

Emotional valenceg

33.25

33.29

F = 1.0

0.33

Arousalg

4.81

4.24

F = 2.7

0.20

  1. aCharacter count was performed without counting spaces.
  2. bData extracted from the LEXESP database, through B-Pal47 (results based on the mean of all content words in each text).
  3. cData extracted from B-Pal47 (results based on the mean of all content words in each text);
  4. dData collected from a panel of 10 Spanish-speaking undergraduates, based on Likert scales ranging from 1 (very low) to 5 (very high).
  5. eBased on the Szigriszt-Pazos Index48.
  6. fBased on the Inflesz scale rating49.
  7. gData collected from a panel of 17 native Spanish speakers, who rated each sentence in the texts in terms of overall emotional content (positive, negative, or neutral) and arousal level for positive and negative emotions (based on seven-point Likert scales).