Sarah E. Bloom

CLASSROOM APPLICATION OF A TRIAL‐BASED FUNCTIONAL ANALYSIS

We evaluated a trial-based approach to conducting functional analyses in classroom settings. Ten students referred for problem behavior were exposed to a series of assessment trials, which were interspersed among classroom activities throughout the day. Results of these trial-based functional analyses were compared to those of more traditional functional analyses. Outcomes of both assessments showed correspondence in 6 of the 10 cases and partial correspondence in a 7th case. Results of the standard functional analysis suggested reasons for obtained differences in 2 cases of noncorrespondence, which were verified when portions of the trial-based functional analyses were modified and repeated. These results indicate that a trial-based functional analysis may be a viable assessment method when resources needed to conduct a standard functional analysis are unavailable. Implications for classroom-based assessment methodologies and future directions for research are discussed.

Teacher-Conducted Trial-Based Functional Analyses as the Basis for Intervention.

Previous studies have focused on whether a trial-based functional analysis (FA) yields the same outcomes as more traditional FAs, and whether interventions based on trial-based FAs can reduce socially maintained problem behavior. We included a full range of behavior functions and taught 3 teachers to conduct a trial-based FA with 3 boys with developmental and intellectual disabilities who engaged in problem behavior. Based on the results of the trial-based FAs, we developed and conducted 5 function-based interventions, using differential reinforcement of an alternative behavior and extinction in all but 1 case. In the remaining case, we used noncontingent reinforcement. All interventions led to reductions in problem behavior and increases in alternative behavior.

EXPERIMENTAL ANALYSIS OF PRECURSORS TO SEVERE PROBLEM BEHAVIOR

Some individuals engage in both mild and severe forms of problem behavior. Research has shown that when mild behaviors precede severe behaviors (i.e., the mild behaviors serve as precursors), they can (a) be maintained by the same source of reinforcement as severe behavior and (b) reduce rates of severe behavior observed during assessment. In Study 1, we developed an objective checklist to identify precursors via videotaped trials for 16 subjects who engaged in problem behavior and identified at least 1 precursor for every subject. In Study 2, we conducted separate functional analyses of precursor and severe problem behaviors for 8 subjects, and obtained correspondence between outcomes in 7 cases. In Study 3, we evaluated noncontingent reinforcement schedule thinning plus differential reinforcement of alternative behavior to reduce precursors, increase appropriate behavior, and maintain low rates of severe behavior during 3 treatment analyses for 2 subjects. Results showed that this treatment strategy was effective for behaviors maintained by positive and negative reinforcement.

TRIAL-BASED FUNCTIONAL ANALYSIS AND FUNCTIONAL COMMUNICATION TRAINING IN AN EARLY CHILDHOOD SETTING

Problem behavior is common in early childhood special education classrooms. Functional communication training (FCT; Carr & Durand, 1985) may reduce problem behavior but requires identification of its function. The trial-based functional analysis (FA) is a method that can be used to identify problem behavior function in schools. We conducted trial-based FAs and FCT with 3 children in an early childhood special education setting. All trial-based FAs resulted in identification of behavioral functions, and subsequent FCT led to reductions in problem behavior and increases in communication.

TRAINING RESIDENTIAL STAFF TO CONDUCT TRIAL-BASED FUNCTIONAL ANALYSES†

We taught 6 supervisors of a residential service provider for adults with developmental disabilities to train 9 house managers to conduct trial-based functional analyses. Effects of the training were evaluated with a nonconcurrent multiple baseline. Results suggest that house managers can be trained to conduct trial-based functional analyses with a high degree of procedural fidelity.

Antecedent versus Consequent Events as Predictors of Problem Behavior.

Comparisons of results from descriptive and functional analyses of problem behavior generally have shown poor correspondence. Most descriptive analyses have focused on relations between consequent events and behavior, and it has been noted that attention is a common consequence for problem behavior even though it may not be a functional reinforcer. Because attention may be prescribed simply as a means of stopping serious problem behavior, it is possible that naturally occurring antecedent events (establishing operations) might be better predictors of problem behavior than consequences. We conducted descriptive and functional analyses of the problem behaviors of 7 participants. Conditional probabilities based on combined antecedent and consequent events showed correspondence with the functional analysis data for 4 of the 7 participants, but antecedent events were no better than consequent events in identifying the function of problem behavior.

Serial alternative response training as intervention for target response resurgence.

Failure to reinforce appropriate behavior could result in resurgence of previously extinguished problem behavior and degradation of previously effective treatments such as differential reinforcement of alternative behavior (DRA). We analyzed arbitrary responses (i.e., switch flipping) exhibited by 3 adults with developmental disabilities to compare the effect of a traditional DRA intervention against the effect of a serial DRA intervention on the magnitude of target response resurgence using a 2-component multiple schedule. The target response served as an analogue to problem behavior, and alternative responses served as analogues to socially appropriate alternative responses. In all cases, the percentage of total responding allocated toward target response resurgence was less in the serial DRA component than in the traditional DRA component. Furthermore, we observed both reversion and recency for 2 of 3 subjects. Our data provide preliminary evidence suggesting that serial DRA may produce more durable and desirable outcomes than traditional DRA.

EFFECTS OF FIXED VERSUS RANDOM CONDITION SEQUENCING DURING MULTIELEMENT FUNCTIONAL ANALYSES

It has been suggested that a fixed condition sequence might facilitate differential responding during multielement functional analyses (FAs) by capitalizing on or limiting sequence effects (Iwata, Pace, et al., 1994); however, the effects of condition sequence have not been examined empirically. We conducted fixed- and random-sequence FAs for 7 individuals with developmental disabilities to determine the relative effects that sequence may have on assessment outcomes. Experimental conditions during the fixed sequence were conducted in the following order: ignore, attention, play, and demand; condition order during the random sequence was determined randomly. Results showed that sequence had no influence on the FA outcomes for 3 subjects, whereas differential responding emerged either faster (1 subject) or only (3 subjects) under the fixed sequence for the remaining subjects. These results suggest that the fixed sequence, a simple modification, should be used when conducting multielement FAs to accommodate the influence of establishing operations across assessment conditions.

Training Teachers to Conduct Trial-Based Functional Analyses

The trial-based functional analysis (FA) is a promising approach to identification of behavioral function and is especially suited for use in educational settings. Not all studies on trial-based FA have included teachers as therapists, and those studies that have, included minimal information on teacher training. The purpose of this study was to determine whether teachers trained via an in-service training would be able to conduct trial-based FAs with high procedural integrity. We trained four teachers to conduct trial-based FAs using a combination of didactic teaching and practice with feedback. All four teachers improved performance following training. Performance remained above baseline levels during an in situ maintenance condition, but for three of four teachers, additional feedback was required to recapture performance observed immediately following training.

Using a Modified Pyramidal Training Model to Teach Special Education Teachers to Conduct Trial-Based Functional Analyses

Functional behavioral assessments are commonly used in school settings to assess and develop interventions for problem behavior. The trial-based functional analysis is an approach that teachers can use in their classrooms to identify the function of problem behavior. The current study evaluates the effectiveness of a modified pyramidal training procedure in which special education program coordinators were taught to conduct trial-based functional analyses and then provided support to special education teachers who were taught to conduct trial-based functional analyses and to calculate, graph, and analyze data. After training, the teachers conducted the trial-based functional analysis with over 85% accuracy and demonstrated criterion performance analyzing and graphing data. Accuracy was maintained during in-situ generalization probes conducted with two of the teachers.