https://www.selleckchem.com/pr....oducts/diphenhydrami
753, P less then .05. The average discrimination power = 47.27, average Item Difficulty Index = 0.557. The fit indices were acceptable in a range that established its factorial validity and average factor loading was ≥0.7 which established convergent validity. A significant association (χ2 = 33.074, P less then .01) between score interpretation and previous counseling by pharmacists established its construct validity. A significant association (χ2 = 19.113, P less then .05) between score interpretation and patient occupation est