Functionally Equivalent Replacement Behaviors

Hypothesized Function: Escape

FERB: Teacher will reduce number of problems the student completes.

• Example

• Nonexample

Answer explanation

This is considered an antecedent intervention. This will reduce the likelihood of the challenging behavior occurring to escape "work." This does not meet the criteria of a FERB because this NOT a behavior the student does themselves.

Hypothesized: Escape

FERB: Student will complete work at their desk.

• Example

• Nonexample

Answer explanation

This is considered a behavior which could be targeted but does not demonstrate a functional equivalence.

Hypothesized Function: Escape

FERB: Student will request using his break card to stop doing the work/assignment or to leave the work area.

• Example

• Nonexample

Answer explanation

This meets the criteria of a FERB. The replacement behavior results in the same outcome of the problem behavior.

Hypothesized Function: Attention

FERB: Staff will provide non-provide attention to the student.

• Example

• Nonexample

Answer explanation

This is considered an antecedent intervention. This is not a behavior the student would perform.

Hypothesized Function: Attention

FERB: Student will request a break.

• Example

• Nonexample

Answer explanation

There is no functional equivalence. By the student requesting a break, they will not receive the attention they desire.

Hypothesized Function: Attention

FERB: Student will request for the adult to play a game with him.

• Example

• Nonexample

Answer explanation

This is considered a FERB. By appropriately asking to play a game with the adult, the outcome of the appropriate behavior results in attention.