Statistical Procedures Used in Pretest-Posttest Control Group Design: A Review of Papers in Five Iranian Journals - Dehghan Nayeri, Nahid; Alazmani Noodeh, Farshid; Sharif Nia, Hamid; Yaghoobzadeh, Ameneh; Goudarzian, Amir Hossein (Acta Medica Iranica, 2024)