What aspect is manipulated to adjust task difficulty in constraint-induced language therapy?

• A. Environment
• B. Time of Day
• C. Stimuli
• D. Therapist's Pace

Answer: (C)

In constraint-induced language therapy, task difficulty is adjusted by changing the stimuli. The approach requires the person to use the impaired language while the non-target language is restricted, so the challenge comes from what is being prompted or asked to name or produce. Therapists tailor this by selecting stimuli that vary in demand: word length, frequency, concreteness, semantic category, and overall complexity; using pictures or prompts with different cues; and adjusting how many items or how much linguistic processing is required. Start with simpler, more familiar stimuli and gradually move to more complex or less familiar ones to ramp up difficulty while maintaining the constraint. While environment, time of day, or the therapist’s pace can affect overall engagement, the core method for modulating difficulty in this therapy is the manipulation of stimuli.