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Table 3 Analysis of constructs/variables (LIWC categories) in transcripts

From: Automated deception detection of 911 call transcripts

Constructs

Associated variables (LIWC categories)

Predicted

Actual

Truthful mean

Truthful Std Dev

Deceptive mean

Deceptive Std Dev

Immediacy

1st person plural

T > D

D > T

.2964

.50586

1.1760

2.15572

 

1st person singular

T > D

D > T

9.4136

3.42226

10.6788

4.67963

Non-immediacy

3 rd person singular

D > T

T > D*

5.4756

3.84711

3.7344

3.06803

 

3rd person plural

D > T

D > T*

.6280

1.16957

1.2652

1.32602

Control

Negation

D > T

D > T*

3.7160

2.18237

4.9892

2.25060

 

Assent

D > T

D > T*

4.8160

3.52826

6.9232

4.25887

Felt emotion

Negative emotion

T > D

T > D*

1.5980

1.48383

.8736

1.17341

 

Anxiety

T > D

T > D*

.3632

.63672

.0904

.26723

 

Extreme swearing (Sexual)

D > T

T > D

.0652

.15075

.0000

.0000

Cognitive overload

Number

T > D

T > D*

5.5628

5.71633

2.5760

2.34458

 

Leisure

T > D

T > D*

.7564

.65370

.3560

.68811

 

Inhibition

D > T

D > T*

.1748

.27091

.4648

.53210

  1. *Significant at p-value < = 0.05.