- Applied Behavior Analysis Skill Acquisition Programming Questions and Answers Flashcards

A behavior analyst is designing a skill acquisition program for a learner who has mastered tacting objects in a structured setting but fails to tact the same objects in natural environments. Which procedure most directly addresses this deficit?

Answer: Implement multiple exemplar training across varied stimuli, settings, and people to promote stimulus generalization

The learner has mastered the tact under narrow stimulus conditions, indicating a generalization failure rather than an acquisition deficit. Multiple exemplar training (MET) directly targets stimulus generalization by varying the antecedent conditions (settings, people, materials), teaching the learner to respond across the full stimulus class rather than only to training-specific stimuli.

When using a concurrent-operants arrangement to assess preference in a skill acquisition context, a learner consistently approaches Item A over Item B, but rapidly satiates on A within two minutes. What is the most valid interpretation of this pattern for programming purposes?

Answer: Item A has high momentary salience but may function as a less durable reinforcer; reinforcer rotation or brief access schedules should be considered

Rapid satiation to Item A indicates that while it is initially preferred (high momentary salience), its reinforcing efficacy diminishes quickly within a session. This is a critical distinction: preference assessment identifies relative desirability at a moment in time, but reinforcer potency must account for satiation effects. Programmatically, rotating reinforcers or using brief, controlled access sessions with A preserves its efficacy and maintains motivation throughout skill acquisition trials.

A learner is being taught a behavior chain using backward chaining. The trainer has been completing all steps except the last, and reinforcement has been delivered contingent on the terminal step. The learner now masters the terminal step. According to the behavioral rationale for backward chaining, what property of the penultimate step makes this procedure effective?

Answer: The penultimate step becomes a conditioned reinforcer by virtue of its consistent temporal proximity to unconditioned reinforcement at the terminal step

The theoretical backbone of backward chaining is that each step in a chain becomes a conditioned reinforcer for the completion of the preceding step, because each step reliably precedes primary reinforcement. The penultimate step, by immediately preceding the terminal step where reinforcement is delivered, acquires conditioned reinforcing properties through stimulus-stimulus pairing. This is what maintains the integrity of the chain and motivates traversal through earlier links as training progresses.

A skill acquisition program for joint attention uses a progressive time delay procedure. The analyst sets the initial prompt delay at 0 seconds, then increases it by 2 seconds each session. After several sessions, data show that the learner's correct unprompted responses plateau and do not increase despite additional delay increments. Which of the following is the most likely explanation for the plateau?

Answer: The prompt being used may not be a true controlling prompt, and the learner may be stimulus-bound to the trainer's delivery cue rather than the natural discriminative stimulus

A common but subtle failure mode in time delay procedures is that the learner learns to wait for and respond to the trainer's gestural or positional cue rather than the natural SD. If the learner is tracking the trainer's movement to deliver the prompt rather than the target stimulus (e.g., gaze direction, object placement), unprompted responding will plateau because the learner is not under control of the intended discriminative stimulus. This is a stimulus control problem, not a timing or quantity-of-trials problem.

In skill acquisition programming, a behavior analyst is deciding between using a fixed-ratio schedule versus a variable-ratio schedule to thin reinforcement after a skill reaches mastery. For a skill that will be performed frequently in unpredictable natural environments, which schedule and rationale is most defensible?

Answer: Variable-ratio, because it produces higher and more persistent rates of responding and is more resistant to extinction, better approximating natural reinforcement schedules

Variable-ratio schedules produce high, steady rates of responding with minimal post-reinforcement pausing and are among the most extinction-resistant schedules. Natural environments reinforce behavior on unpredictable, variable schedules, so thinning to a VR schedule prepares the learner's responding to persist despite variable or delayed natural reinforcement. FR schedules produce characteristic post-reinforcement pauses and are more vulnerable to extinction when the ratio increases. Note that VR schedules do not guarantee every nth response is reinforced — that is a misconception that describes FR schedules.

A learner has been taught to request (mand) for 'break' using a picture card. Data indicate the mand is occurring at very high rates throughout sessions, including contexts where the learner is engaging well with tasks. The behavior analyst suspects the mand has come under control of escape from tasks rather than a pure deprivation-based motivating operation for rest. Which analytical step should occur BEFORE modifying the mand program?

Answer: Conduct a functional analysis of the mand by systematically varying task difficulty and measuring mand rate across conditions to determine the controlling variable

Before modifying a mand program, the analyst must first verify the functional hypothesis through systematic observation or experimental analysis. Varying task difficulty across conditions while measuring mand rate allows the analyst to determine whether the mand is primarily controlled by an escape MO (mand rate rises with harder tasks) or a rest/deprivation MO (mand rate is uncorrelated with task difficulty). Intervening without this confirmation risks either inappropriately blocking a legitimate mand or failing to address a genuine escape-maintained response masquerading as a mand.