The two things this lesson is separating
One reference for telling scrupulosity apart from dryness, and one on whether therapy that takes a person's religion seriously does anything. The second is the study that justifies a platform like this one existing, so its weaknesses are published rather than buried.
What the research says
Abramowitz JS, Jacoby RJ (2014). Scrupulosity: a cognitive-behavioral analysis and implications for treatment. Journal of Obsessive-Compulsive and Related Disorders, 3(2), 140 to 149 doi
Sets out scrupulosity as a pattern of unwanted religious doubt and repeated checking, and separates it from ordinary religious carefulness. The distinction is what tells you whether a person needs a clinician or a teacher.
Captari LE, Hook JN, Hoyt W, Davis DE, McElroy-Heltzel SE, Worthington EL Jr (2018). Integrating clients religion and spirituality within psychotherapy: a comprehensive meta-analysis. Journal of Clinical Psychology, 74(11), 1938 to 1951 doi
Therapies adapted to a person's religion did better than no treatment, and were broadly comparable to ordinary therapy on psychological outcomes while doing better on spiritual ones. The limits are real: the adaptations pooled were very different from each other, the samples were mostly Christian, and the people building the adaptations were often the people testing them.