Definition

"Specific Learning Disability" means a disorder in one or more of the basic
psychological processes involved in understanding or in using language, spoken or
written, which may manifest itself in an imperfect ability to listen, think, speak, read,
write, spell, or to do mathematical calculations. The term includes such conditions as
perceptual disabilities, brain injury, minimal brain dysfunction, dyslexia, and
developmental aphasia. The term does not include learning problems that are primarily
the result of visual, hearing, or motor disabilities, of mental retardation, of emotional
disturbance, or environmental, cultural, or economic disadvantage.

Criteria
A child has a specific learning disability when:

1. The child does not achieve commensurate with his or her age and ability levels in
   one or more areas listed in B below if provided with learning experiences
   appropriate for the child’s age and ability level;
2. The child displays observable characteristics that indicate deficits in basic
   psychological processing in one or more of the following academic areas.
   • Basic reading skill
   Mathematics reasoning
   Reading comprehension
   Written expression
   Oral expression
   • Mathematics calculation
   • Listening comprehension
In determining whether a child has a specific learning disability, a responsible public agency may use a process that determines if the child responds to scientific, researchbased intervention as a part of the evaluation procedures or may require a severe discrepancy between achievement and intellectual ability (of 1.5 standard deviation).


3. The child’s learning disability is not PRIMARILY the result of:
1. A visual, hearing, or motor disability;
2. Mental retardation;
3. Emotional disturbance or;
4. Environmental, cultural or economic disadvantage.

Professional Judgment
If a responsible public agency uses a severe discrepancy method: A child who does not
display a discrepancy of at least 1.5 standard deviations as defined in B above, may
nonetheless be deemed to have a specific learning disability if 1) the child meets the
other criteria of this rule; and 2) based upon professional judgment and review of
formal and informal assessments, the evaluation team concludes that a severe
discrepancy exists. In such cases, sufficient data must be presented in the evaluation
report to document the existence of a specific learning disability.
If the agency does not use a severe discrepancy method, professional judgment can
only be used if the child does not respond to scientific, research-based intervention.

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