The Finapres (Volume Clamp) Recording Method in Psychophysiological Detection of Deception Examinations: Table 4 (Forensic Science Communications, October 1999)
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October 1999 - Volume 1 - Number 3 |
The Finapres (Volume Clamp) Recording Method in Psychophysiological Detection of Deception Examinations: Experimental Comparison With the Cardiograph Method
Table 4:
Outcomes of Independent Examiner Evaluations and Automated Computer Evaluations
| Frequency (Percent) | ||||||||
|---|---|---|---|---|---|---|---|---|
| Group | Correct | Error | Incon- clusive | Correct Decisions | ||||
| Decisions Using Examiner Evaluations | ||||||||
| Innocent | ||||||||
| Finapres |
14 (70) |
3 (15) |
3 (15) |
14/17 (82)* |
||||
| Cardiograph |
10 (50) |
5 (25) |
5 (25) |
10/15 (67) |
||||
| Finapres/Cardiograph |
10 (50) |
2 (10) |
8 (40) |
10/12 (83)* |
||||
| Guilty | ||||||||
| Finapres |
14 (70) |
1 (5) |
5 (25) |
14/15 (93)* |
||||
| Cardiograph |
11 (55) |
3 (15) |
6 (30) |
11/14 (79)* |
||||
| Finapres/Cardiograph |
11 (55) |
3 (15) |
6 (30) |
11/14 (79)* |
||||
| Decisions Using Automated Evaluations | ||||||||
| Innocent | ||||||||
| Finapres |
16 (80) |
3 (15) |
1 (5) |
16/19 (84)* |
||||
| Cardiograph |
15 (75) |
3 (15) |
2 (10) |
15/18 (83)* |
||||
| Finapres/Cardiograph |
14 (70) |
0 (0) |
6 (30) |
14/14 (100)* |
||||
| Guilty | ||||||||
| Finapres |
14 (70) |
2 (10) |
4 (20) |
14/16 (88)* |
||||
| Cardiograph |
11 (55) |
3 (15) |
6 (30) |
11/14 (79)* |
||||
| Finapres/Cardiograph |
13 (65) |
4 (20) |
3 (15) |
13/17 (76)* |
||||
Accuracy of decisions was tested using c2 tests of frequency correct versus frequency error. The decisions for the Finapres/cardiograph group examinations were based on skin conductance, respiration, and cardiograph recordings.
* p < .05.