AMFT provides many psychometric and psychological assessments that are relevant to the diagnostic process and treatment plan: Children Behavioral and Psychological Assessment – such as Special Needs Screening Tests. Autism Screening Tests and Diagnosis. IQ tests for children and adults. An IQ test means intelligence quotient. It is a score derived from one of several different standardized tests designed to assess intelligence. IQ assessments can be used as predictors of educational achievement or special needs.