Deenz Borderline Personality Questionnaire (DBPQ)
Borderline personality patterns show up as ongoing instability — in mood, in relationships, in how someone sees themselves, and in behavior. This instability can get in the way of family life, work, long-term plans, and just having a steady sense of "who I am." Everyone has rough days, arguments, or moments of not knowing what they want — that's normal. What sets these patterns apart is how often they happen, how intense they get, and how much they end up disrupting everyday life. Deenz Borderline Personality Questionnaire (DBPQ) evaluates these characteristics across four key clinical dimensions: Mood & Anger, Relationships & Fear of Abandonment, Identity & Thought Patterns, and Impulse Control & Self-Harm. Utilizing a uniform 5-point agreement scale, this tool offers a structured screening of borderline traits.
This questionnaire is for adults who want a better sense of their own patterns. It also works well in educational, clinical, and research settings as a screening step. It's anonymous, and answers aren't saved after the session ends.
This assessment consists of 54 items scored on a 5-point agreement scale (0 = Strongly Disagree, 1 = Disagree, 2 = Neutral, 3 = Agree, 4 = Strongly Agree). Items 4, 6, 10, 13, 18, 20, 24, 27, 32, 36, 40, 45, 49, and 52 are reverse-scored: Dimension Scoring Keys: • Mood & Anger (Items 1–14): Consists of 14 items. Possible raw score range: 0–56. • Relationships & Fear of Abandonment (Items 15–28): Consists of 14 items. Possible raw score range: 0–56. • Identity & Thought Patterns (Items 29–41): Consists of 13 items. Possible raw score range: 0–52. • Impulse Control & Self-Harm (Items 42–54): Consists of 13 items. Possible raw score range: 0–52. Overall Score: Calculated by summing the processed scores of all 54 items. The total raw score ranges from 0 to 216. Dimension scores are standardized to a 0–100 scale for clinical profiling.
My mood can shift dramatically within a few hours — from very happy to very low.
There's a deep, empty feeling inside me that shows up a lot.
When I get frustrated, it's hard to keep my temper in check.
I don't usually get sudden, intense swings in how I feel.
Sometimes I feel a burning anger that seems way bigger than whatever set it off.
Day to day, my emotions feel pretty stable and predictable.
I get irritable or anxious out of nowhere, without knowing exactly why.
I've had moments of intense rage that I regretted afterward.
I carry a deep sense of shame that's hard to shake, even when I haven't done anything wrong.
When I get upset, I can usually calm myself down pretty quickly.
It feels like my emotions are steering me, not the other way around.
I feel sad or anxious a lot without being able to pin down why.
I don't really get sudden mood swings.
Some days it feels like I'm stuck on an emotional roller coaster.
I worry a lot that people I care about are going to leave me.
I'll go to pretty extreme lengths to keep people from leaving.
My relationships tend to feel either amazing or terrible — not much in between.
I find it pretty easy to keep long-term friendships going.
I build people up in my head, then feel crushed when they don't live up to it.
I feel safe and secure with the people closest to me.
I rely on other people to tell me whether I'm doing okay or feeling okay about myself.
I've cut someone out of my life suddenly because I thought they'd leave me first.
I often feel like the people I love don't really care about me.
I'm comfortable being alone for long stretches of time.
I hold on tight to people because being alone scares me.
How I feel about my partner or close friends can flip from love to hate in an instant.
I trust the people close to me to stick around through hard times.
I end up in intense arguments with the people I'm closest to, a lot.
Sometimes I honestly don't know who I really am.
My goals, career plans, or beliefs seem to completely change every few months.
I feel like a different person depending on who I'm with.
I have a clear, steady sense of who I am.
When I'm under a lot of stress, I feel emotionally disconnected from my body or from what's happening around me.
Sometimes it feels like I'm watching myself from the outside, like it's not really me.
I often get the sense that people are talking about me or judging me behind my back.
I'm confident in my values and what I stand for.
I sometimes feel invisible, like I don't really exist.
Under a lot of stress, I get pretty paranoid about other people's true intentions.
I have a hard time remembering who I was a few years ago — I feel like a totally different person now.
Even under stress, my mind doesn't really play tricks on me.
My sense of what's right and wrong can shift depending on who I'm around.
I act on impulse in ways that could hurt me — like overspending, driving too fast, or overeating.
When emotional pain becomes overwhelming, I've hurt myself on purpose.
When I'm highly emotional, I make decisions I probably shouldn't.
I plan ahead carefully and rarely act on a whim.
I've suddenly quit a job, ended a relationship, or made another big decision without thinking it through.
I've driven recklessly or put myself in danger when I was angry.
When I'm dealing with rejection or loss, I've sometimes had thoughts of suicide.
I rarely regret decisions I make in the heat of the moment.
I've hurt myself on purpose (like cutting or burning) to cope with emotional pain.
When I'm feeling down, I tend to spend money without much control.
My habits and routines have generally stayed pretty steady and stable over time.
I've stayed in situations that weren't safe because I didn't want to be alone.
I struggle with binge eating or using substances when I feel overwhelmed.
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