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Assessment Area
Adult Clinical
(RIAS™-2) Reynolds Intellectual Assessment Scales, Second Edition
(RIAS™-2) Reynolds Intellectual Assessment Scales, Second Edition
by
Cecil R. Reynolds, PhD, and Randy W. Kamphaus, PhD
(RIAS™-2) Reynolds Intellectual Assessment Scales, Second Edition
by
Cecil R. Reynolds, PhD, and Randy W. Kamphaus, PhD
Benefits
Provides a comprehensive and cost-effective assessment of intelligence and memory
Ages
3 to 94 years
Admin time
40 to 45 minutes
Format
Individual administration
Scores
Composite Intelligence Index, Verbal Intelligence Index, Nonverbal Intelligence Index, Composite Memory Index, Speeded Processing Index
Norms
Based on 2,154 individuals from 32 states, representing 2012 U.S. Census data for age, gender, geographic region, ethnicity, and years of education
Publish Date
2015
Qualifications
Level C required.
About Qualification Levels
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Select Pricing Below
All Items
Kits & Manuals
Forms
Stimulus Materials
Kits & Manuals
RIAS-2 Kit
SKU: PB-85
Includes 25 RIAS-2 Record Forms; 25 RIAS-2 Response Forms; RIAS-2/RIST-2 Stimulus Book 1; RIAS-2 Stimulus Book 2; RIAS-2 Stimulus Book 3; RIAS-2 Stimulus Book 4; RIAS-2/RIST-2 Manual With Fast Guide
Forms
RIAS-2 Record Form (Pack of 25)
SKU: PB-85A
Forms
RIAS-2 Response Form (Pack of 25)
SKU: PB-85B
Stimulus Materials
RIAS-2/RIST-2 Stimulus Book 1
SKU: PB-85C
Stimulus Materials
RIAS-2 Stimulus Book 2
SKU: PB-85D
Stimulus Materials
RIAS-2 Stimulus Book 3
SKU: PB-85E
Stimulus Materials
RIAS-2 Stimulus Book 4
SKU: PB-85F
Kits & Manuals
RIAS-2/RIST-2 Manual With Fast Guide
SKU: PB-85M
Kits & Manuals
RIAS-2/RIST-2 Comprehensive Kit
SKU: PB-89
Includes 25 RIAS-2 Record Forms; 25 RIAS-2 Response Forms; 25 RIST-2 Record Forms; RIAS-2/RIST-2 Stimulus Book 1; RIAS-2 Stimulus Book 2; RIAS-2 Stimulus Book 3; RIAS-2 Stimulus Book 4; RIAS-2/RIST-2 Manual With Fast Guide
Kits & Manuals
RIST-2 Kit
SKU: PB-88
Includes 25 RIST-2 Record Forms; RIAS-2/RIST-2 Stimulus Book 1; RIAS-2/RIST-2 Manual With Fast Guide
Forms
RIST-2 Record Form (Pack of 25)
SKU: PB-88A
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About This Product
BY CECIL R. REYNOLDS, PHD, AND RANDY W. KAMPHAUS, PHD
Features and Benefits
Assesses both verbal intelligence (problem solving and reasoning using acquired knowledge and skills) and nonverbal intelligence (reasoning and spatial ability using novel situations and stimuli)
Offers optional verbal and nonverbal memory subtests that yield the Composite Memory Index
Yields a highly reliable General Reasoning Index that reflects overall reasoning and problem-solving skills
Provides the highly reliable General Reasoning Index reflecting general reasoning and problem-solving skills
Informs diagnosis of specific disorders such as intellectual disabilities and is useful in educational placement
What’s New in the Second Edition
New speeded processing subtests (verbal and nonverbal) combine to create the Speeded Processing Index
Improved data for superior interpretation
Revised, consistent basal and ceiling rules allow more accurate assessment at the lowest and highest ability level
Updated item content to eliminate confusing and outdated content
Wider range of
T
-scores—at least 25 to 75 for most grade levels
Technical Information
Data collected from 12 clinical groups: stroke, dementia, hearing impaired, intellectual disability disorder (child and adult), TBI (child and adult), learning disabilities (child and adult), ADHD (child and adult), and gifted
Available scores include percentile ranks, 90% and 95% confidence intervals,
T
scores,
z
scores, NCEs, and stanines
Internal consistency studies associated with RIAS-2 indexes exceed .90 across age groups
High correlation between the RIAS and RIAS-2 Indexes shows the consistency of item content and performance between the two measures
Criterion-related validity was assessed by examining correlations between the RIAS-2 indexes and the WISC-IV™, WAIS-IV™, WPPSI-IV™, AAB, FAR, and ChAMP. All correlations were found to be in the strong to very strong range.
Strong to very strong correlations between the RIAS-2 and other measures, including the AAB, FAR, and ChAMP demonstrate the criterion-related validity of the RIAS-2
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