Developmental & Behaviour Questionnaire

Informant Report — For a Partner, Family Member, or Close Friend

20 topics · Childhood and Recent · approx. 30–45 minutes

📧 How to Submit Your Results

Important: This questionnaire asks about the client's behaviour during childhood and over the past few months/years. To help recall their childhood, it may be useful to look through photographs or documents (e.g. school reports) from that time. If you did not know the client as a child, please only complete the "Past Few Months/Years" questions and leave the childhood sections blank. Please provide as much detail as possible.
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Client Details

Your Details (Person Completing This Form)

How to Complete This Questionnaire

For each topic you will find two questions: one about the client's childhood (toddlerhood to primary school age) and one about the past few months/years.

Step 1 — Select one rating: Never, Rarely, Sometimes, Often, or Don't Know.

Step 2 — In the text box, give specific examples and describe whether any adjustments were made to manage or prevent problems.

Please provide as much detail as possible — your written answers are just as important as the rating.

Additional Questions

Q8 — At what age did you first notice these symptoms or difficulties (i.e. those rated Sometimes or Often)?
Please provide an age and any relevant details.
Q9 — Have these symptoms or difficulties been present and caused the client difficulties over the past six months?
Please select Yes or No and provide any relevant details.
Q10 — Please describe how these symptoms or difficulties have impacted the client's academic, occupational and/or social functioning.