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ABA503 Test 3 Questions & 100% Verified Correct Answers with complete solutions (Latest update
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ABA503 Test 3-Brief Functional Analyses (BFAs) are shorter and more easily applied versions of the FA
-Conditions are limited to five minutes
-Multiple conditions are presented in a single day - ANS-The brief FA
Benefits: Procedural variations• Inclusion of preferred items • Shorter session length
Drawback: Limited sensitivity with low frequency bx - ANS-BFA Benefits and Drawback
Contingency reversal procedure to hypothesis test the results of a BFA
Taught a mand and provided the contingency for the mand and not the bx
Returned to the analog BFA condition and then back to the contingency reversal - ANS-Northup
& Colleagues (1991):
-Summarized first 3yrs of data obtained from an outpatient clinic conducting BFAs of problem bx
-Described a 4-step process of determining problem bx functions, when results were
undifferentiated - ANS-Derby & Colleagues (1992):
• BFAs can have limitations
• False positives• Discrimination issues• Requires high frequency bx • Extinction bursts
• Looked at within-session responding - ANS-Kahng & Iwata (1999)
Vollmer et al. (1992) Used a reversal design to evaluate the effect of various FA conditions on
problem behavior.
Iwata et al. (1994) Used a test-control comparison strategy to evaluate the effect of various FA
conditions on problem behavior.
Each approach addresses a limitation of the multi-element design. - ANS-FA Variations:
• BFA may have undifferentiated due to
• Lack of discrimination between conditions• Short duration may not allow for significant
reinforcement effect • Carry-over effects
• Used a four-phase procedure to determine function of behavior - ANS-Vollmer et al. (1995):
Phase 1: Use when clinical constraints preclude extended analyses or when more extended
treatment evaluations can further confirm results.
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