phq-9 standard depression test

Take the PHQ-9 Depression Test

At Lee Psychology, we specialise in a range of transformative therapies designed to foster significant personal change and well-being.

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measuring depression symptoms

The PHQ-9 Depression Test

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Test Validity

Although the PHQ-9 Depression test is limited by its subjective design, it has been assessed for validity and has been found to be 88% sensitive with a specificity of 88% when the score is equal to or greater than 10.

PHQ stands for Personal Health Questionnaire and the 9 refers to the number of questions that are used to determine the presence or absence of depression.

It was originally developed by Pfizer but is now freely available for public use due to the copyright having expired.

How to Take the PHQ-9 Test

When taking the depression test try to think about how you have been feeling, or have behaved, during the last 14 days.

Whilst this test does have good validity, it is important to be aware that the possible responses are subjective in nature and so the outcome is the result of subjectivity.

What this means is that this, and all other self-assessment tests, do NOT measure internal biology in the same way that a blood test does.

A blood test allows an objective evaulation to be made, whereas these tests produce a subjective result.

In other words, the results depend on your responses NOT on any biological pathology inside you.


1 / 9

Little interest or pleasure in doing things.

2 / 9

Feeling down, depressed, or hopeless.

3 / 9

Trouble falling or staying asleep, or sleeping too much.

4 / 9

Feeling tired or having little energy.

5 / 9

Poor appetite or overeating.

6 / 9

Feeling bad about yourself – or that you are a failure or have let yourself or your family down.

7 / 9

Trouble concentrating on things, such as reading the newspaper or watching television.

8 / 9

Moving or speaking so slowly that other people could have noticed. Or the opposite – being so fidgety or restless that you have been moving around a lot more than usual.

9 / 9

Thoughts that you would be better off dead, or of hurting yourself in some way.

Your score is


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Why Psychological Tests Matter

At Lee Psychology, our psychological tests are designed to foster deep self-awareness and encourage personal growth.

Understanding your mental and emotional frameworks can lead to transformative changes, enhancing your overall well-being and helping you achieve your fullest potential.

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Get in Touch

For appointments or inquiries, please use the contact form.


Call Paul on 07434 776125

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