Deenz Psychotic Rating Scale (DPRS-45)

Psychosis Test is an interactive version of the Deenz Psychotic Rating Scale (DPRS-45), a self-assessment designed to measure psychosis-spectrum tendencies. The questionnaire consists of 45 statements that assess patterns of perception, thinking, behavior, emotional functioning, and social experiences associated with psychotic-spectrum traits.

Psychosis refers to a mental state in which a person experiences difficulty distinguishing between what is real and what is not. Individuals experiencing psychosis may hear voices, see things others do not see, hold unusual beliefs, or experience disturbances in thinking and behavior. Psychosis itself is not a disorder but a symptom that may occur in several mental health conditions including schizophrenia spectrum disorders, bipolar disorder, severe depression, neurological conditions, substance use disorders, and other psychiatric conditions.

The Deenz Psychotic Rating Scale (DPRS-45) was developed to assess psychosis-related tendencies on a dimensional spectrum rather than using a simple present-or-absent approach. Modern psychological research increasingly recognizes that psychotic-like experiences may occur in the general population at varying levels of intensity and frequency. Measuring these experiences dimensionally provides a more comprehensive understanding of individual differences.

The scale evaluates nine major domains commonly associated with psychosis-spectrum symptoms: Hallucinations, Delusions, Disorganization, Catatonia, Apathy, Anhedonia, Paranoia, Alogia, and Agitation. These domains include both positive symptoms (such as hallucinations and delusions) and negative symptoms (such as apathy, anhedonia, and alogia), as well as cognitive and behavioral characteristics.

This assessment is intended solely for educational and self-reflection purposes. It is not designed to diagnose schizophrenia, psychotic disorders, or any other mental health condition. Only a qualified mental health professional can provide a clinical diagnosis.

The assessment consists of 45 statements and typically requires 6–10 minutes to complete. Participants respond to statements related to perceptions, beliefs, social experiences, emotions, motivation, speech patterns, and behavior.

This self-assessment is intended for adults and older adolescents interested in understanding psychosis-spectrum traits and experiences. Participation is completely anonymous. No personally identifying information is collected or stored.

The DPRS-45 contains 45 items divided across nine dimensions. Each item is rated on a five-point agreement scale. Scores are calculated for each dimension as well as an overall psychosis-spectrum index.

Higher scores indicate greater endorsement of psychosis-related experiences or traits. Results are intended to identify patterns and tendencies rather than determine the presence of a psychiatric disorder.

Dimension scores are converted to a 0–100 scale for interpretation.

Overall interpretation ranges:

• Minimal (0–20)
• Mild (21–40)
• Moderate (41–60)
• High (61–80)
• Very High (81–100)

I hear voices that others cannot hear.

I see things that others say are not there.

I hear noises or sounds when it is completely quiet.

I sense someone is nearby even when I am alone.

I smell unusual scents that others do not notice.

I feel convinced that I have special powers or abilities.

I feel certain that someone is controlling my thoughts.

I believe I can influence things with my thoughts.

I believe others are talking about me behind my back.

I feel like my thoughts are being broadcast or stolen.

My speech sometimes doesn't make sense to others.

I struggle to explain things clearly.

I often lose track of what I am saying while speaking.

I have difficulty following instructions or completing tasks.

I often forget what I was saying.

I sometimes freeze and can't move.

I feel like I can't respond to people around me.

I move a lot without a reason.

I feel unresponsive to things happening around me.

I find myself repeating others' words or movements.

I feel unmotivated to do activities I usually enjoy.

I have no interest in hobbies or activities I used to enjoy.

I feel like I don't care about things that used to matter to me.

I feel like I have no energy to do anything.

I avoid responsibilities because I lack motivation.