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Fifth Floor, Tavistock House, Tavistock Square, London WC1H 9HX

General Enquires: 020 7388 8744

Assessments: 020 7383 3724

info@dyslexia-idc.org

Please note in November 2017 we relocated to a new office. Our address is

IDC, Fifth Floor, Tavistock House, Tavistock Square, London WC1H 9HX

Our new office is approximately a one minute walk away from the old office.

Our telephone numbers and email addresses remain the same.

Formal assessment


A diagnostic assessment is a process of explanation. Our psychologists do not just test for dyslexia. The aim is to show what individuals are capable of, establish whether they are performing at expected levels and determining if any cognitive weaknesses might account for inconsistencies. 


Potential is established by the administration of a measure of intellectual ability that  includes verbal and non-verbal tests. We use the Wechsler scales.


Performance is determined by tests of reading, including accuracy and comprehension, measures of writing and spelling, as well as maths.


An analysis of the cognitive profile, as well as separate tests of memory and processing provide an explanation for inconsistencies.


Essentially we adopt the Profile of  Strengths and Weaknesses (PSW) approach. The strengths provide a rationale for the development of strategies that address the weaknesses.


At the conclusion of the assessment verbal feedback and advice are provided. This is followed up by a written report that can help access support and adjustments in educational and work settings.

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