Aclient who compulsively performs hand washing rituals throughout the day is being treated for obsessive compulsive disorder (ocd). which behavior change indicates that treatment has been effective?

A). Decreasing the time spent washing hands.

Explanation:

Obsessive Compulsive Disorder(OCD) is described as the mental illness or disorder in which an individual suffers from repeated unwanted thoughts or ideas and behaviors that involves repetitive compulsive actions.

In the given question, the client compulsively follows or performs the 'washing' as a ritual throughout the entire day. In order to overcome this obsession he must follow the decrease in time that he spends on washing hands throughout the day as a continuous behavioral change(as it would help reduce his obsession(repetition)) in order to reflect the efficacy of his treatment. Thus, option A is the correct answer.