After reserving a diagnostic, questionnaires will be sent to all relevant parties via email, this will include informants, for example, your child’s school, parents or significant other. The questionnaires are completed online and immediately uploaded to the RTN system upon submission. RTN will require responses to all questionnaires, including any informants, before they can proceed to the diagnostic interview stage. If for any reason you struggle to complete the questionnaires online, please call RTN for further assistance.