Study guide · Area F

Behavior Assessment

23 of the exam's 175 scored questions (13%) · 8 tasks

This area covers assessment from the first file review to the choice of goals: records, cultural variables, skill assessments, preference assessments, descriptive assessments, functional analyses, and interpreting the results to decide on services, referral and priorities. Questions describe a case and ask which assessment to run next, what a set of results shows, or which goal should come first; the answers favor direct, function-based and least intrusive methods that will actually guide treatment.

A study feature written by ExamDragon, not part of the real exam. Each heading is one of the BACB's tasks for this content area (8 of them), in the BACB's words.

F.1Identify relevant sources of information in records (e.g., educational, medical, historical) at the outset of the case.

At the outset of a case, review existing records before planning assessment: educational (individualized education program, prior evaluations, report cards, discipline records), medical (diagnoses, medications, allergies, hearing and vision, sleep, seizures), and historical (developmental history, prior services and their results, previous behavior plans).
Medical information matters because physiological conditions (pain, ear infections, constipation, medication side effects, sleep deprivation) can act as motivating operations for problem behavior or call for referral.
Prior assessments and interventions show what has been tried, what worked, what did not and how consistently it was implemented, avoiding repeated failures.
Records also identify stakeholders, legal guardianship, consent requirements, funding conditions and safety concerns.
Records are obtained with appropriate consent, read critically (they may be outdated or based on indirect information), and used to form hypotheses that are then tested with direct assessment.

In practice: Before assessing a 9-year-old's new head hitting, a behavior analyst reviews his medical file and finds a recent diagnosis of ear infections and a change in medication. She asks the family to consult his physician to rule out pain before starting a functional analysis.

Where questions turn: Records are a starting point for hypotheses, not a substitute for direct assessment, and medical causes should be ruled out before assuming a behavior is purely operant.

Practise F.1

F.2Identify and integrate relevant cultural variables in the assessment process.

Cultural variables include language, religion, family structure, values about independence and disability, child-rearing practices, communication styles, and beliefs about behavior and treatment.
They affect every part of assessment: which behaviors the family sees as problems or priorities, what counts as typical, which reinforcers are appropriate, who should be interviewed and how, and how questions should be asked.
Gather cultural information directly from the client and family, through open questions and with qualified interpreters when needed, rather than assuming based on group membership.
Integrate the information: select assessment tools and norms appropriate for the person, conduct observations in natural routines that matter to the family, and interpret results in light of the family's context.
Assessment results should be shared in the family's preferred language and in plain terms, and their input sought before goals are chosen.

In practice: During intake, a behavior analyst learns that in the family's culture children do not typically make eye contact with adults as a sign of respect. She removes eye contact from the list of target behaviors she was considering and observes social skills that the family values, such as greeting elders appropriately.

Where questions turn: Integrating culture means asking this family about their values and practices, not applying general assumptions about a cultural group.

Practise F.2

F.3Design and evaluate assessments of relevant skill strengths and areas of need.

Skill assessments identify what the person can and cannot yet do across relevant domains: communication, social, play, daily living, academic, vocational, and community skills.
Criterion-referenced assessments compare performance with a set standard of mastery for each skill (many curriculum-based tools in ABA are of this kind); norm-referenced assessments compare performance with a normative sample (standardized adaptive behavior scales, for example).
Methods combine direct testing and observation (presenting tasks, observing in natural settings) with indirect information (caregiver and teacher interviews and rating scales).
Design: choose domains relevant to the person's age, needs and goals; include strengths as well as deficits; assess in natural settings when possible; and distinguish skill deficits (cannot do) from performance deficits (can do but does not, often a motivational issue).
Evaluate an assessment by whether it is valid for the person, covers the relevant skills, yields information that guides goal selection, and is administered by trained staff with reliable scoring.
Reassess periodically to measure progress and update goals.

In practice: A behavior analyst assesses a teenager with a criterion-referenced daily living checklist through direct observation at home, plus an interview with his parents. He can wash dishes when asked but rarely does so unprompted (a performance deficit) and cannot use a microwave (a skill deficit), so the plan differs for each.

Where questions turn: Not doing a skill does not prove the person cannot do it; distinguish skill deficits from performance deficits before choosing a teaching or motivational intervention.

Practise F.3

F.4Design and evaluate preference assessments.

Indirect preference assessment asks the person or caregivers which items or activities are preferred, through interviews or checklists; it is quick but often inaccurate on its own.
Single-stimulus (successive choice): items are presented one at a time and approach or engagement is recorded; it suits learners who cannot choose between items but may not differentiate preference strongly.
Paired-stimulus (forced choice): items are presented in pairs until each has been paired with every other, and selection percentages produce a ranked hierarchy; it is accurate but takes longer.
Multiple stimulus without replacement (MSWO): several items are presented together, the selected item is not returned, and the remaining items are presented again; it gives a hierarchy quickly. With replacement (MSW), the selected item is returned, which can identify a single dominant item but may miss others.
Free-operant assessment: the person has free access to several items and time spent with each is recorded; it is brief, produces fewer problem behaviors because nothing is withdrawn, but may not rank items beyond the most preferred.
Preference does not prove reinforcing effect: a reinforcer assessment tests whether contingent access to an item increases a response. Preferences change, so assessments are repeated often, briefly before sessions if needed.

In practice: A behavior analyst runs a 5-item MSWO with a preschooler before each session; the stickers, ranked first, are then made contingent on puzzle completion, and the rate of completion rises compared with no stickers, confirming they function as reinforcers.

Where questions turn: A highly preferred item is a likely reinforcer, not a confirmed one; only increased responding under a contingency demonstrates a reinforcing effect.

Practise F.4

F.5Design and evaluate descriptive assessments.

Descriptive functional behavior assessment involves direct observation of behavior in natural settings without manipulating the environment.
ABC continuous recording: the observer records specific antecedents and consequences from predefined categories each time the behavior occurs.
ABC narrative recording: the observer writes a description of the antecedents, the behavior and the consequences of each occurrence of interest.
Scatterplot: occurrences are recorded by time interval across days to reveal temporal patterns, such as a behavior concentrated in certain periods or activities.
Descriptive data show correlations, not causation: an event that often follows a behavior (attention, for example) may not be what maintains it, because some consequences occur often regardless of function.
Evaluate by checking for enough observations, clear operational definitions, observers who are trained, and whether the data produce a testable hypothesis about function, typically confirmed by a functional analysis when needed.

In practice: A behavior analyst records ABC data for a student's yelling across five school days and finds that 80 percent of episodes follow a writing task and are followed by the teacher sending him to a quiet corner. She forms the hypothesis that yelling is maintained by escape from writing and plans to test it.

Where questions turn: A descriptive assessment cannot demonstrate function; a consequence that frequently follows a behavior is correlated with it, not proven to maintain it.

Practise F.5

F.6Design and evaluate functional analyses.

A functional analysis (FA) manipulates antecedents and consequences in test and control conditions to observe their effects on behavior, demonstrating function experimentally.
Typical conditions (based on Iwata and colleagues): attention (attention given contingent on behavior), escape or demand (a break from tasks contingent on behavior), alone or ignore (no social consequences, testing automatic reinforcement), tangible (access to an item contingent on behavior) and play (free access to attention and items, no demands, the control).
Conditions are usually alternated in a multielement design; elevated responding in a test condition compared with play suggests that consequence maintains the behavior, high responding across all conditions (or in alone) suggests automatic reinforcement, and undifferentiated low or variable results suggest more sessions or modified conditions.
Variations reduce time or risk: brief FA, trial-based FA in natural routines, latency-based FA (session ends at the first response), precursor FA (targeting a reliable precursor instead of dangerous behavior), pairwise designs, and synthesized contingency analyses (testing a combination of consequences together).
Design for safety: obtain consent, have medical and safety criteria for terminating sessions, use protective procedures, and choose the least risky variation that will answer the question.
Evaluate an FA by the clarity of differentiation, the number of sessions, whether the conditions resemble the person's real environment, and whether results lead to an effective function-based treatment.

In practice: In an FA of a girl's screaming, rates are high in the escape condition, near zero in play, attention and tangible, and low in alone. The analyst concludes screaming is maintained by escape from demands and plans functional communication training for requesting breaks.

Where questions turn: The play condition is the control condition, and a test condition shows function only if responding is clearly higher there than in play.

Practise F.6

F.7Interpret assessment data to determine the need for behavior-analytic services and/or referral to others.

Assessment data are used first to decide whether behavior-analytic services are needed: is there a socially significant behavior or skill deficit that behavior-analytic procedures can address, and how intensive should services be?
Data can show that services are not needed (behavior within typical range, problem resolved) or should be of lower intensity, such as consultation rather than direct services.
Refer to other professionals when the assessment suggests problems outside the behavior analyst's competence or scope: medical concerns (pain, sudden behavior changes, seizures, sleep, feeding risks), mental health conditions, speech and language, occupational, or psychiatric needs.
Referral is often concurrent: behavior-analytic services can continue while another professional evaluates, as long as it is safe and coordinated.
Recommendations should be based on data, explained clearly to the family, and documented with the reasoning.

In practice: Assessment shows a child's tantrums began suddenly two weeks ago along with refusing food and holding her jaw. The behavior analyst recommends a dental and medical evaluation before designing a behavior plan, while teaching staff to keep her safe and comfortable.

Where questions turn: Not every behavior problem calls for behavior-analytic treatment first; data suggesting a medical or other cause call for referral, sometimes before services begin.

Practise F.7

F.8Interpret assessment data to identify and prioritize socially significant, client-informed, and culturally responsive behavior-change procedures and goals.

Socially significant goals improve the person's quality of life, independence, health, safety and access to reinforcement and to their community.
Prioritize by: danger to self or others; behaviors that interfere with learning or access to settings; behavioral cusps (changes that open access to new environments and contingencies, such as learning to read) and pivotal behaviors (which produce changes in many other behaviors, such as joint attention or self-initiation); age appropriateness; and the likelihood of success.
The relevance of behavior rule: a target should be one likely to produce reinforcement in the person's natural environment after intervention ends.
Client-informed goals are chosen with the client (to the extent possible) and family, reflecting their preferences, values and priorities, and supported by measures of social validity.
Culturally responsive goals fit the family's culture, language and routines and avoid targeting behavior that is valued in their context.
Replacement behaviors should be identified with goals to reduce behavior: decreasing a behavior without building an alternative rarely improves quality of life.

In practice: An assessment shows that a nonverbal 6-year-old elopes into traffic, has no way to request, and rocks while watching television. The team prioritizes safety (elopement) and functional communication, a behavioral cusp, and leaves rocking alone because it is not harmful and the family does not see it as a problem.

Where questions turn: Prioritize the behaviors that matter most for safety and quality of life and that the client and family endorse, not the behaviors easiest to measure or change.

Practise F.8

Key terms

Functional behavior assessment: The set of indirect, descriptive and experimental methods used to identify the function of behavior.
Indirect assessment: Information about behavior gathered from interviews, rating scales or checklists, not direct observation.
ABC recording: Direct observation of antecedents, behavior and consequences, narrative or in categories.
Scatterplot: A record of behavior by time interval across days to show temporal patterns.
Functional analysis: Experimental manipulation of antecedents and consequences to demonstrate the function of behavior.
MSWO: Multiple-stimulus without replacement preference assessment, producing a ranked hierarchy.
Paired-stimulus assessment: A preference assessment presenting items in pairs to rank them.
Reinforcer assessment: A test of whether contingent access to a stimulus increases a response.
Criterion-referenced assessment: Comparison of performance with a standard of mastery.
Norm-referenced assessment: Comparison of performance with that of a normative sample.
Behavioral cusp: A behavior change that opens access to new environments, reinforcers and learning.
Pivotal behavior: A behavior whose change produces changes in many other untrained behaviors.
Relevance of behavior rule: Target behaviors likely to be reinforced in the natural environment after intervention.

After this guide: Given a case, you should be able to say which records and cultural variables matter, design and evaluate skill, preference, descriptive and functional assessments, and turn the results into decisions about services, referral and priority goals.

Practise area F