You are trying to reduce or eliminate nail biting. You will use habit reversal, but what other strategy is used in conjunction (Hint - it relates to the function of the competing response in habit reversal)? You are trying to reduce or eliminate nail biting. You will use habit reversal, but what other strategy is used in conjunction (Hint - it relates to the function of the competing response in habit reversal)? DRI Social support Shaping Presenting cue for desirable behavior