Assessment & Research

Contributions of phonological awareness, phonological short-term memory, and rapid automated naming, toward decoding ability in students with mild intellectual disability.

Soltani et al. (2013) · Research in developmental disabilities 2013
★ The Verdict

Phonological awareness and rapid naming still predict decoding in teens with mild ID, so keep testing them.

✓ Read this if BCBAs doing reading assessments in high-school special-ed rooms.
✗ Skip if Clinicians serving mainly Down syndrome or preschool populations.

01Research in Context

01

What this study did

Soltani et al. (2013) tested three reading skills in teens and young adults with mild intellectual disability. They looked at phonological awareness, short-term memory for sounds, and rapid naming of pictures.

The team ran simple stats to see which skills best predicted decoding. Decoding is the ability to turn printed words into spoken words.

02

What they found

Only two skills mattered most: phonological awareness and rapid naming. Short-term sound memory helped a little, but not as much.

The pattern matched what we see in typical readers, just at a lower skill level.

03

How this fits with other research

Chou et al. (2010) saw the same link in younger kids with mild ID. Their data came first, so the new study shows the pattern lasts into high school.

Scalzo et al. (2015) followed even younger kids for two years. They found early phonological awareness and letter-sound skill forecast later reading gains. Together, the three papers form a timeline: test these skills early, watch them in middle school, and they still matter after age 16.

Lecavalier et al. (2006) looks like a contradiction. They found teens with Down syndrome had weak phonological awareness and poor non-word reading. The key difference is diagnosis: Down syndrome is a specific genetic condition, while Amanallah’s group had broader mild ID. Same skill, different profiles.

04

Why it matters

If you assess reading in older students with mild ID, start with phonological awareness and rapid naming tasks. Skip heavy memory tests; they add little new info. Use quick, timed naming games and simple sound-play tasks. These scores will tell you who needs decoding help right now.

Free CEUs

Want CEUs on This Topic?

The ABA Clubhouse has 60+ free CEUs — live every Wednesday. Ethics, supervision & clinical topics.

Join Free →
→ Action — try this Monday

Add a one-minute rapid naming probe to your teen assessment kit this week.

02At a glance

Intervention
not applicable
Design
other
Sample size
60
Population
intellectual disability
Finding
not reported

03Original abstract

Reading decoding ability is a fundamental skill to acquire word-specific orthographic information necessary for skilled reading. Decoding ability and its underlying phonological processing skills have been heavily investigated typically among developing students. However, the issue has rarely been noticed among students with intellectual disability who commonly suffer from reading decoding problems. This study is aimed at determining the contributions of phonological awareness, phonological short-term memory, and rapid automated naming, as three well known phonological processing skills, to decoding ability among 60 participants with mild intellectual disability of unspecified origin ranging from 15 to 23 years old. The results of the correlation analysis revealed that all three aspects of phonological processing are significantly correlated with decoding ability. Furthermore, a series of hierarchical regression analysis indicated that after controlling the effect of IQ, phonological awareness, and rapid automated naming are two distinct sources of decoding ability, but phonological short-term memory significantly contributes to decoding ability under the realm of phonological awareness.

Research in developmental disabilities, 2013 · doi:10.1016/j.ridd.2012.12.005