Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com), Millisecond
Created: January 17, 2012
Last Modified: January 02, 2025 by K. Borchert (katjab@millisecond.com), Millisecond
Script Copyright © Millisecond Software, LLC
This script implements the Barratt Impulsiveness Scale (BIS-11) by Patton et al (1995).
Patton, J.H., Standford, M.S., & Barratt, E.S. (1995). Factor Structure of the Barratt Impulsiveness Scale. Journal of Clinical Psychology, 51, 768-774.
2 minutes
30 4-point Likert scale questions; self-report
Each of the questions belongs to 6 subscales (derived from 6 first order factors and 3 first order factors) 1. Attention-Attention: 5, 9R, 11, 20R, 28 2. Attention-Cognitive Instability: 6, 24, 26 3. Motor-Motor: 2, 3, 4, 17, 19, 22, 25 4. Motor-Perserverance: 16, 21, 23, 30R 5. Nonplanning-Self Control: 1R, 7R, 8R, 12R, 13R, 14 6. Nonplanning-Cognitive Complexity: 10R, 15R, 18, 27, 29R (R = reversed scoring, depends on wording)
File Name: bis_summary*.iqdat
| Name | Description |
|---|---|
| inquisit.version | Inquisit version number |
| computer.platform | Device platform: win | mac |ios | android |
| computer.touch | 0 = device has no touchscreen capabilities; 1 = device has touchscreen capabilities |
| computer.hasKeyboard | 0 = no external keyboard detected; 1 = external keyboard detected |
| startDate | Date the session was run |
| startTime | Time the session was run |
| subjectId | Participant ID |
| groupId | Group number |
| sessionId | Session number |
| elapsedTime | Session duration in ms |
| completed | 0 = Test was not completed 1 = Test was completed |
Subscale Scores |
|
| aAttention | Attention-Attention subscale score: questions 5, 9R, 11, 20R, 28, Range: 5-20 |
| aCogInstabile | Attention-Cognitive Instability subscale score: questions 6, 24, 26, Range: 3-12 |
| mMotor | Motor-Motor Subscale Score: questions 2, 3, 4, 17, 19, 22, 25, Range: 7-28 |
| mPerserverance | Motor-Perserverance Subscale Score: questions 16, 21, 23, 30R, Range: 4-16 |
| npSelfControl | Nonplanning-Self Control Subscale Score: questions 1R, 7R, 8R, 12R, 13R, 14, Range: 6-24 |
| npCogComplex | Nonplanning-Cognitive Complexity Subscale Score: questions 10R, 15R, 18, 27, 29R, Range: 5-20 (R = reversed scoring, depends on wording) |
Total Score |
|
| totalScore | The total score (sum of all subscale scores), Range: 30-120 The lower the score, the less impulsive |
File Name: bis.iqdat
| Name | Description |
|---|---|
| date | Date the session was run |
| time | Time the session was run |
| subject | Participant ID |
| group | Group number |
| session | Session number |
| build | Inquisit version number |
| q*_response | Response given (in assigned values) Scale: 1 (rarely/never) - 4 (almost always) R = automatically reversed scored questions |
| q*_latency | How much time (in ms) the participant spent on the surveyPage with this particular question (the last time this particular surveyPage was visited) |
The procedure can be adjusted by setting the following parameters.
| Name | Description | Default |
|---|---|---|
| instructions | The instructions provided at the top of each surveypage |