ADD/ADHD Testing

A comprehensive evaluation is necessary to establish the diagnosis of ADD or ADHD and to rule out other causes for problematic behavior

There is no single test to diagnose ADHD, instead, determining whether a person has this disorder takes many steps.

Our evaluations are comprehensive and do not center around just a survey or questionnaire.

People struggle with attention and focus for a lot of reasons.
We want to be sure that we are getting to the root of the problem.
The absence or presence of coexisting conditions also needs to be determined.
3-4 hours is spent with each individual.

We examine:

  • How they learn and process
  • Their academic areas to determine if there are any gaps present that may be due to inattention or may be causing inattention.
  • We observe each person, watching them work, observing their behaviors.

Everyone has a certain level of inattention and restlessness. We look for behaviors that are outside that normal range.

We talk to the individual and ask why they think they may be struggling. We want to hear, in their own words, what they feel is happening each day both in and outside of school.

Sometime, the person completes a survey to learn more about how they view their own behaviors as well as their attitude towards themselves, and their relationship with peers and parents.
We also send surveys to parents and teachers looking at anxiety and depression.

Once we gather all of this information, we determine if the student meets the criteria required to be diagnosed with an attention deficit. To be diagnosed with ADHD, individuals must have six of the nine characteristics in either or both DSM-IV (Diagnostic and Statistical Manual of Mental Disorders) categories listed below. (Adults must have five of the nine characteristics)

In children and teenagers, the symptoms must be more frequent or severe compared to other children the same age.
In adults, the symptoms must affect the ability to function in daily life and persist from childhood.

Diagnostic Learning Services offers specific evaluations to assess for ADD or ADHD and then makes recommendations.

Call today for more information about how we assess and diagnose.


Symptoms must be present for at least six months.

Criteria for the three primary ADD or ADHD

Predominantly Inattentive Type
Fails to give close attention to details or makes careless mistakes.
Has difficulty sustaining attention.
Does not appear to listen.
Struggles to follow through on instructions.
Has difficulty with organization.
Avoids or dislikes tasks requiring sustained mental effort.
Loses things.
Is easily distracted.
Is forgetful in daily activities.

Predominantly Hyperactive/Impulsive Type
Fidgets with hands or feet or squirms in chair.
Has difficulty remaining seated.
Runs about or climbs excessively.
Difficulty engaging in activities quietly.
Acts as if driven by a motor.
Talks excessively.
Blurts out answers before questions have been completed.
Difficulty waiting or taking turns.
Interrupts or intrudes upon others.

Combined Type
Individual meets both sets of inattention and hyperactive/impulsive criteria.

Diagnostic Learning Services has been assessing children and adults since 2004. We have locations in Plano, Fort Worth, Houston, The Woodlands, and Austin. Call today to see how we can help!