A. Study Populations and Sample Characteristics

Investigator:

Greenberg

Levy

MacArthur


Project Title

Research on Reading
Instruction for Low-
Literate Adults

Testing Impact of
Health Literacy in
Adult Literacy and
Integrated Family
Approach Programs

Building a
Knowledge Base
for Teaching Adult
Decoding

Study Population

Adult literacy
program with 3rd-
to-5th-grade reading
ability

ABE

ASE

Adult English literacy

ABE

Sample Characteristics

Size

Descriptive n = 425

Intervention n = 198

Intervention

n = 1,907

Assessment n = 98

Descriptive n = 486

Intervention n = 349

Age

Intervention M = 37

(range 16-78 yrs)

 

Descriptive M = 35
(SD = 14)

Intervention M = 37
(SD = 14)

(range 16-76 years)

Gender

Intervention =
67% female

Intervention =
75% female

Descriptive =
67% female

Intervention =
66% female

Reading Level

Intervention screened to be 3rd-to-5th- grade level

By NRS reading levels
• ABE beginner
   n = 63
• ABE intermediate
   n = 284
• ABE advanced
   n = 75
• ASE
   n = 80
• ELL beginner
   n = 494
• ELL intermediate
   n = 431
• ELL advanced
   n = 141

NRS low-
intermediate level

Nelson Reading
Comprehension
(standard score for
6th grade spring)

M = 36.2 (SD =
16.4), 4.6 GLE

Native English speakers

Intervention = 56%

 

Descriptive = 69%

Intervention = 65%




The National Academies | 500 Fifth St. N.W. | Washington, D.C. 20001
Copyright © National Academy of Sciences. All rights reserved.
Terms of Use and Privacy Statement