How does the CPI compare with other popular LD rating scales?

Compare Prices:

(cost of forms, manual, scoring program)
# of ratings/year
CPI
LDDI*
LDES*
50 or less
$89
$130
$143
100
$89
$213
$176
200
$89
$379
$242

Compare Features:

Features
CPI
LDDI
LDES
Teacher ratings
yes
yes
yes
Parent ratings
yes
no
no
Student/Self ratings
yes
no
no
Computer Scoring
yes
no
yes
Differential processing-based diagnosis
yes
no
no
Direct educational recommendations
yes
no
yes
Age Range
4-adult
8-18
5-18
Norm-referenced
yes
yes
yes

Plus, the CPI:

  • identifies specific areas of processing strength and weakness
  • provides a non-biased, culture fair screening/assessment
  • provides rating forms in both English and Spanish
  • is easily completed by parents, teachers, and students
  • allows direct comparison of multiple ratings
  • has strong reliability and validity data
  • clearly differentiates between LD and non-LD students
  • is able to accurately predict areas of academic difficulty
  • is easily understood by parents and teachers
  • provides an internal measure of each rating's validity
 Go here to see a sample professional CPI report

*LDDI=Learning Disabilities Diagnostic Inventory

LDES=Learning Disability Evaluation Scale

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Return to the LDinfo Web Site to find out about any of the following topics (and more):

Learning disabilities - what is a learning disability (LD or SLD)?

Dyslexia: Dyslexia is a reading disability or reading disorder

Dysgraphia Dysgraphia is a writing disability or disorder

Dyscalculia Dyscalculia is a math disability or disorder

What is an attention deficit disorder (ADD, AD/HD, ADHD)?

Gifted LD: Can a student be gifted and LD?

Emotional/Behavioral issues and LD: Do LD students experience behavior problems or depression?

Section 504: What is a Section 504 plan?

What is special education?

What is processing?

What is a severe discrepancy?

What is a nonverbal learning disability (nonverbal LD or NLD)?

What is a central auditory processing disorder (CAPD)?

What is IDEA?

 

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