(RIAS™-2) Reynolds Intellectual Assessment Scales™, Second Edition NEW

by Cecil R. Reynolds, PhD, and Randy W. Kamphaus, PhD

(RIAS™-2) Reynolds Intellectual Assessment Scales™, Second Edition

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

Have a Question?

Call 800.648.8857

Kits

RIAS-2/RIST-2 Comprehensive Kit

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Product #: PB-89

RIAS-2/RIST-2 Comprehensive Kit

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

$575.00

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RIAS-2 Kit

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Product #: PB-85

RIAS-2 Kit

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

$529.00

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RIST-2 Kit

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Product #: PB-88

RIST-2 Kit

Includes 25 RIST-2 Record Forms; RIAS-2/RIST-2 Stimulus Book 1; RIAS-2/RIST-2 Manual With Fast Guide

$271.00

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Forms

RIAS-2 Record Form (Pack of 25)

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Product #: PB-85A

RIAS-2 Record Form (Pack of 25)

$81.00

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RIAS-2 Response Form (Pack of 25)

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Product #: PB-85B

RIAS-2 Response Form (Pack of 25)

$27.00

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RIST-2 Record Form (Pack of 25)

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Product #: PB-88A

RIST-2 Record Form (Pack of 25)

$54.00

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Stimulus Books

RIAS-2/RIST-2 Stimulus Book 1

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Product #: PB-85C

RIAS-2/RIST-2 Stimulus Book 1

$103.00

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RIAS-2 Stimulus Book 2

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Product #: PB-85D

RIAS-2 Stimulus Book 2

$119.00

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RIAS-2 Stimulus Book 3

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Product #: PB-85E

RIAS-2 Stimulus Book 3

$119.00

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RIAS-2 Stimulus Book 4

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Product #: PB-85F

RIAS-2 Stimulus Book 4

$27.00

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Manual

RIAS-2/RIST-2 Manual With Fast Guide

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Product #: PB-85M

RIAS-2/RIST-2 Manual With Fast Guide

$146.00

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(RIAS™-2) Reynolds Intellectual Assessment Scales™, Second Edition NEW

(RIAS™-2) Reynolds Intellectual Assessment Scales™, Second Edition

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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