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Leiter-3

Leiter International Performance Scale, 3rd Edition

Gale H. Roid, Ph.D., Lucy J. Miller, Ph.D., OTR , Mark Pomplun, Ph.D. , Chris Koch, Ph.D.

A nonverbal measure of intelligence & cognitive abilities for ages 3 to 75+


Leiter-3

Overview

Overview

Evaluates nonverbal cognitive, attentional, and neuropsychological abilities, and targets "typical" as well as "atypical" children, adolescents, and adults. Its engaging nonverbal format makes it ideal for use with individuals with autism and speech/language disorders, as well as those who do not speak English. It provides an IQ score, as well as percentile and age-equivalent scores for each subtest.

Key Features:

  • More fair and accurate than other IQ tests because it emphasizes fluid intelligence, the truest measure of an individual's innate cognitive abilities
  • Greater accuracy for autistic patients using block and frame format
  • Increased overall efficiency and utility of the instrument through a decreased number of subtests
  • Addition of a neuropsychological subtest (Nonverbal Stroop Test)
  • Greater reliability and ease of use provided by an Attention-Divided subtest

Key Areas Measured


Key Areas Measured

  • Attention
  • Activity Level
  • Mood Regulation
  • Organization Skills
  • Anxiety
  • Sociability
  • Impulse Control
  • Energy & Feelings
  • Sensory Reactivity

Quick Reference

Age

Age

3 to 75+

Administration Type

Administration Type

Self

Administration Time

Administration Time

20 to 45 Minutes

Qualification Level

Qualification Level

B

Format(s)

Format(s)

Handscored

Quick Reference

Age

Age

3 to 75+

Administration Type

Administration Type

Self

Administration Time

Administration Time

20 to 45 Minutes

Qualification Level

Qualification Level

B

Format(s)

Format(s)

Handscored

Components

Components

How To Use

How To Use

Normative Data

Normative Data

Cognitive Scales (Fluid Intelligence)

Unlike other IQ tests, the Leiter-3 emphasizes fluid intelligence, the truest measure of an individual's innate cognitive abilities. This makes the Leiter-3 more accurate and fair, since IQ is not significantly influenced by the individual's educational, social, and family experience.

  • Sequential Order (SO)
  • Form Completion (FC)
  • Classification and Analogies (CA)
  • Figure Ground (FG)
  • Matching/Repeated Patterns (M/RP)- optional

Attention and Memory Scales

Attention and Memory subtests enhance interpretation of the global IQ score, by providing valuable diagnostic indicators regarding the score on the Cognitive portion of the Leiter-3. They also distinguish individuals with ADHD, LD or neuropsychological impairments, from typically-functioning individuals.

  • Forward Memory (FM)
  • Attention Sustained (AS)
  • Reverse Memory (RM)
  • Nonverbal Stroop (NS)
  • Attention Divided (AD)

Examiner Rating Scale

The Social-Emotional Examiner Rating Scale gathers information about the individual's:

  • Attention
  • Organization Skills
  • Impulse Control
  • Activity Level
  • Anxiety
  • Energy and Feelings
  • Mood Regulation
  • Sociability
  • Sensory Reactivity

The Leiter-3 comes as a kit with supplemental handscored booklets or unlimited use scoring software. It provides individual subtest and numerous composite scores that measure intelligence and discrete ability areas. These scores identify strengths and weaknesses in individual skills, as well as skill sets. Percentile and age-equivalent scores are provided. Growth Scores are provided for all domains, enabling professionals to measure small but significant cognitive shifts within a skill set, particularly important for children with cognitive disabilities. Tracking these shifts allows professionals, educators, and parents to see improvement (growth) across time, irrespective of age-based standard scores.

The normative data sample includes more than 1,600 individuals, representative of the most current general population data in terms of ethnicity/race, gender, and age. The normative sample is also diverse in terms of parent/self education level and geographical region.

Pricing
Online

Online

Assess easily online from anywhere. Includes automatic scoring and report generation.

Software

Software

Requires software. Includes automatic scoring and report generation.

Handscored

Handscored

QuikScore forms are scored by hand without reports.

Starter Kits
Certification

Starter Kits

Simulations
Certification

Simulations

Kits

Leiter-3 Complete Kit

All Manipulatives (Frame, Blocks, Foam Shapes, Stimulus Cards, Attention Divided Bowls), an Easel Book, a Stimulus Book, Scoring Keys, Administration Gestures Laminate, Record Forms, a Manual, a Timer and a Purple Marker, in a Rolling Backpack.

Handscored
CA: $1,185.00

Forms

Leiter-3 Response Booklets

Leiter-3 Response Booklets

Software
CA: $90.00
(Sold in packs of 20)

Leiter-3 Record Booklets

Leiter-3 Record Booklets

Handscored
CA: $80.00
(Sold in packs of 20)

Ortiz PVAT Licenses

Ortiz PVAT Licenses

Online Scoring

Online Scoring

Supplementary Materials

Supplementary Materials

Other Materials

Other Materials

Leiter-3 Training DVD

Leiter-3 Training DVD

Default Title
CA:
$140.00

Leiter-3 Scoring Software

Leiter-3 Scoring Software

Default Title
CA:
$240.00