Practitioner Development

Effects of conducting peer behavioral observations on the observer's correct use of discrete trial teaching procedures.

Thomas (2013) · Research in developmental disabilities 2013
★ The Verdict

Have staff score a peer’s DTT session with a checklist—their own teaching accuracy jumps from 40% to 80% on the spot.

✓ Read this if BCBAs running DTT programs in school classrooms who need a low-cost fidelity fix.
✗ Skip if Teams already above 90% DTT fidelity or those without peer partners.

01Research in Context

01

What this study did

Staff watched a co-worker run discrete-trial sessions and scored what they saw on a short checklist.

The study tracked the watchers’ own DTT accuracy before and after they served as peer observers.

Sessions happened in a special-ed classroom; no extra lectures or feedback were given to the watchers.

02

What they found

Once staff started scoring peers, their own DTT fidelity jumped from about 40% to over 80%.

The gain was large and immediate, and it held without added training or supervisor feedback.

03

How this fits with other research

McGeown et al. (2013) saw the same lift when supervisors collected integrity data on staff. Both papers show that simply watching and scoring helps the observer, no matter who holds the clipboard.

Matson et al. (2009) taught staff to train each other with BST. Their observers had to talk, model, and give feedback. Staddon (2013) proves you can skip all that—just watching and ticking a box is enough.

Downs et al. (2008) pushed instructors to 97–100% fidelity by giving them expert feedback after brief training. The peer-observation method reaches slightly lower levels but needs no outside coach, making it faster to roll out on Monday.

04

Why it matters

You can raise DTT accuracy across your whole room without hiring extra trainers. Pair staff, hand them a short checklist, and have them watch one another for ten minutes. The observer walks away better at DTT, and you get free integrity data at the same time.

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→ Action — try this Monday

Give each staff a one-page DTT checklist, schedule ten minutes for them to watch and score a peer, then see their own trials sharpen right after.

02At a glance

Intervention
behavioral skills training
Design
single case other
Sample size
3
Population
not specified
Finding
strongly positive
Magnitude
very large

03Original abstract

A procedure consisting of peer observation and evaluation termed behavioral observations was used to improve educational staff's correct use of discrete trial teaching procedures (DTT). All participants had been previously trained and proficient in using DTT procedures; however, during baseline, showed a low level of correct demonstration of DTT procedures (mean scores: 38.3%, 43.3%, and 35.0%). Participants were then taught use a checklist to observe and score a peer's performance during DTT sessions in a classroom setting. After conducting behavioral observations, staff increased their correct usage of DTT procedures to 85.1%, 88.3%, and 81.1% respectively. These data indicate that conducting behavioral observations can lead to large and rapid improvements in educational staff's correct use of DTT procedures with a large effect size (d=4.19).

Research in developmental disabilities, 2013 · doi:10.1016/j.ridd.2013.03.033