BSL-23

BORDERLINE

Borderline Symptom List 23

Borderline personality disorder symptom screening questionnaire

23 questions·ende
Response Scale
0Not at all
1A little
2Rather
3Much
4Very strong
Questions

Please rate to what degree the following was true for you during the last week:

1

I couldn't stand my own feelings

2

I was afraid of losing control

3

I felt disgusted by myself

4

I didn't trust other people

5

I thought I was worthless

6

I felt helpless

7

I felt as if I was far away from myself

8

I had the urge to hurt myself

9

I felt lonely

10

My mood changed rapidly

11

I made plans to kill myself

12

I was afraid I might lose control of my emotions

13

I didn't know what I wanted

14

I couldn't think clearly

15

I felt I had no future

16

I was worried about losing my mind

17

I felt numb

18

I didn't feel like doing anything

19

I felt restless

20

I felt rejected

21

I felt like a complete failure

22

I felt vulnerable

23

I wanted to disappear

Scoring
Method: Mean Score
Max Item Value: 4

Severity Ranges

None or Low00.3
Mild0.311.1
Moderate1.111.9
High1.912.7
Very High2.713.5
Extremely High3.514

Primary metric is mean score (total / 23), range 0-4. Severity per Kleindienst et al. (2020). Clinical cutoff: mean ≥ 0.64 (vs healthy), mean ≥ 1.50 (vs clinical controls).

Frequently Asked Questions

What is the BSL-23?
The BSL-23 (Borderline Symptom List-23) is a 23-item self-report measure assessing borderline-typical symptomatology. It was developed specifically for monitoring symptom severity in borderline personality disorder.
How is the BSL-23 scored?
Each item is scored 0–4, giving a total range of 0–92. The mean score (total divided by 23) ranges from 0–4. Higher scores indicate greater symptom severity.

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