The Finapres (Volume Clamp) Recording Method in Psychophysiological Detection of Deception Examinations: Table 5 (Forensic Science Communications, October 1999)
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 5:
Relationships Between Finapres and Cardiograph Levels Recorded Simultaneously
Boundaries of 95% Confidence Intervals | ||||||||
---|---|---|---|---|---|---|---|---|
Diastolic Levels | Systolic Levels | |||||||
Standardized Regression Coefficient | Constant (mmHg) | Standardized Regression Coefficient | Constant (mmHg) | |||||
Role/ Question Type | Lower | Upper | Lower | Upper | Lower | Upper | Lower | Upper |
Innocent (n = 20) |
|
|||||||
Control Questions |
.82 |
.89 |
-0.4 |
0.5 |
.63 |
.80 |
-0.6 |
1.6 |
Relevant Questions |
.81 |
.89 |
-0.2 |
0.9 |
.63 |
.79 |
-0.9 |
1.9 |
Pooled Questions |
.82 |
.89 |
-0.2 |
0.7 |
.64 |
.80 |
-0.5 |
1.6 |
Guilty (n = 20) |
|
|||||||
Control Questions |
.81 |
.89 |
-0.5 |
0.6 |
.68 |
.81 |
-0.9 |
2.4 |
Relevant Questions |
.80 |
.88 |
0.1 |
1.1 |
.68 |
.82 |
0.7 |
3.7 |
Pooled Questions |
.80 |
.88 |
-0.1 |
0.8 |
.67 |
.81 |
0.0 |
2.9 |
Combined Roles (n = 40) |
|
|||||||
Control Questions |
.83 |
.88 |
-0.3 |
0.4 |
.68 |
.79 |
-0.3 |
1.6 |
Relevant Questions |
.82 |
.88 |
0.1 |
0.8 |
.69 |
.78 |
0.3 |
2.3 |
Pooled Questions |
.82 |
.87 |
0.0 |
0.6 |
.69 |
.79 |
0.1 |
1.9 |
Shown are confidence intervals for subject-by-subject linear regression statistics. Finapres levels were treated as the dependent variable in the regression analyses.