There are many good tutorials, articles, and books available to assist you in this process. Please check out the links below for more detailed explanations of this process.
Introduction to Evidence Based Medicine
Duke University Medical Center Library &
Health Sciences Library at UNC-Chapel Hill
Answering questions about each question type can help you appraise the value of the article. The most common question types are Therapy, Diagnosis, Etiology/Harm, and Prognosis. Work through these clinical scenarios to gain a broader understanding of the process.