Does a large effect size (such as d = 1.0) guarantee that the majority of patients are symptom-free by the end of treatment or that they remain symptom-free for years after treatment.

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Effect size (d) is a statistical measure of the magnitude of the difference between two groups. It does not guarantee clinical significance or long-term benefits of a treatment. A large effect size indicates a significant difference between groups, but it does not necessarily mean that the majority of patients are symptom-free or remain symptom-free after treatment. Clinical significance and long-term benefits of a treatment depend on many factors, including the type and severity of the condition, individual characteristics of the patients, and the duration and quality of the treatment.

Does a Large Effect Size (Such as D = 1