Autism is not a single disorder, but a spectrum of disorders with a common core of symptoms. This core is characterised by widespread irregularities in social interaction and communication, as well as severely restricted interests and highly repetitive behaviour. Our range can help with autism screening, through to diagnosis and intervention.

Dr Marcel Zentner developed the Integrative Child Temperament Inventory (ICTI) at a time when there was an increased focus on children's mental health in the UK. Now in a world where most of us are struggling with the everyday challenges of living, learning, and working during the Covid-19 pandemic, the lens is truly focused on mental health.

In its newest iteration, the d2-R has become one of the most widely-used measures of attention – particularly visual attention – throughout Europe. Now, following our latest update, both new and existing users of the d2-R will automatically gain access to additional sets of norms for the measure.