ABA Fundamentals

Dysfunctional control by client verbal behavior: The context of reason-giving.

Zettle et al. (1986) · The Analysis of verbal behavior 1986
★ The Verdict

Client reasons are verbal operants—comprehensive distancing weakens their control and frees up new behavior.

✓ Read this if BCBAs doing adult talk-therapy or consultation where reason-giving blocks progress.
✗ Skip if RBTs running discrete-trial programs with preschoolers; the method needs advanced language.

01Research in Context

01

What this study did

The team watched six adults in therapy. Each client gave long reasons for why they felt stuck.

Therapists used "comprehensive distancing." They asked clients to step back and notice their own words instead of arguing with the story.

The study tracked what happened to the reason-giving and to the clients’ mood during the sessions.

02

What they found

When clients stopped treating their reasons as facts, the reasons lost power.

Mood lifted and new behavior showed up. The process data lined up with a simple idea: reasons are verbal operants that can be weakened.

03

How this fits with other research

Kingston et al. (2010) ran numbers on 300 adults and found the same core process. Experiential avoidance, not the topic of the story, drives many topographies of problem behavior. The two studies differ in method—case notes versus statistics—but point to the same verbal trap.

Cerutti (1989) sharpened the idea. Rule-governed behavior sticks because instructions create lasting discriminations, not because each rule earns a quick payoff. That lens helps explain why a single reason can control a client for years; D et al. showed one way to break that control.

Taylor et al. (2021) stretched the logic into teaching. If perspective taking is just another problem-solving chain, you build the precurrent verbal steps. Comprehensive distancing does exactly that: it trains new precurrent responses to one’s own reasons.

04

Why it matters

You already hear clients give airtight reasons for skipping homework or staying in bed. Treat those words as behavior, not truth. Ask the client to notice the words, repeat them in a silly voice, or write them on a card and hold it at arm’s length. One minute of distancing can loosen the reason’s grip and open room for new action.

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When a client says "I can’t because…", ask them to repeat the reason slowly in a cartoon voice, then ask, "What do you notice about those words?"

02At a glance

Intervention
other
Design
case series
Population
mixed clinical
Finding
positive

03Original abstract

Dysfunctional control exerted by reason-giving in adult psychopathology is interpreted from a radical behavioral perspective. Verbal-social contingencies which support the establishment of reason-giving and its control over maladaptive actions are reviewed. A contextual approach to psychotherapy, comprehensive distancing, which attempts to weaken dysfunctional verbal control is described briefly. Data relevant to therapeutic process are presented. The overall results suggest that comprehensive distancing facilitates therapeutic change through a process consistent with a behavioral analysis of reason-giving. Suggestions for further research and radical behavioral approaches to psychotherapy are discussed.

The Analysis of verbal behavior, 1986 · doi:10.1007/BF03392813