Commonly Used Testing Instruments

Following is a listing of some tests commonly used to assess ability or screen for potential giftedness. Additional listings can be found using the Buros Mental Measurements Yearbook or the Educational Testing Service's database.

Cognitive Abilities Test (CogAT)

• Assesses abilities in reasoning and problem
• Grades K-12
• Riverside Publishing
• www.riverpub.com 

Comprehensive Test of Nonverbal Intelligence (CTONI)

• Measures nonverbal reasoning abilities
• Ages 6-90
• PRO-ED, Inc.
• www.proedinc.com 

Das-Naglieri Cognitive Assessment System (CAS)

• Evaluates cognitive processing
• Ages 5 to 17
• Riverside Publishing
• www.riverpub.com 

Detroit Tests of Learning Aptitude (DTLA-4)

• Measures both general intelligence and discrete ability areas
• Ages 6-17
• PRO-ED, Inc.
• www.proedinc.com 

Differential Ability Scales (DAS)

• Measures cognitive abilities and achievement.
• Ages 2.6 to 17.11
• PsychCorp
• www.PsychCorp.com 

Draw-A-Person Intellectual Ability Test for Children, Adolescents, and Adults (DAP:IQ)

• Estimates intellectual ability from human figure drawings
• Ages 4 to 89
• Western Psychological Services
• www.wpspublish.com 

Gifted and Talented Evaluation Scales (GATES)

• A norm-referenced instrument that assesses the characteristics, skills, and talents of gifted students
• Ages 5 to 18
• PRO-ED, Inc.
• www.proedinc.com 

Gifted Evaluation Scale, Second Edition (GES-2)

• Designed to help identify gifted students
• Grades K to 12
• Hawthorne Educational Services, Inc.
• www.hes-inc.com 

Gifted Rating Scales

• Designed to assess observable student behaviors indicating giftedness
• PsychCorp
• www.PsychCorp.com 

Kaufman Assessment Battery for Children, Second Edition (KABC-II)

• Measures processing and cognitive ability
• Ages 3 to 18
• American Guidance Service, Inc.
• www.agsnet.com 

Kaufman Brief Intelligence Test, Second Edition (KBIT-2)

• Measure of verbal and nonverbal cognitive ability
• Ages 4 to 90
• American Guidance Service, Inc.
• www.agsnet.com 

Khatena-Morse Multitalent Perception Inventory

• Identifies giftedness in music, art, and leadership
• Scholastic Testing Service, Inc.
• www.ststesting.com 

Kuhlmann-Anderson Tests, Eighth Edition

• Measure academic potential through assessing cognitive skills related to the learning process
• Scholastic Testing Service, Inc.
• www.ststesting.com 

Leadership Skills Inventory (LSI)

• Assess strengths and weaknesses in the area of leadership
• PRO-ED, Inc.
• www.proedinc.com 

Leiter International Performance Scale-Revised

• A nonverbal cognitive assessment
• Stoelting Co.
• www.stoeltingco.com 

Matrix Analogies Test - Expanded Form (MAT)

• Assesses nonverbal reasoning abilities
• Ages 5 to 17
• PsychCorp
• www.PsychCorp.com 

Naglieri Nonverbal Ability Test (NNAT)

• Nonverbal group measure of reasoning and problem solving
• Grades K to 12
• Harcourt Assessment
• harcourtassessment.com 

Otis-Lennon School Abilities Test, 8 h edition (OLSAT)