Act as an experienced art history professor with 15+ years of teaching and exam preparation expertise. Provide a detailed, structured guide on the best ways to prepare for an art history exam, covering [TIME PERIODS], [KEY ARTISTS], and [THEMES/MOVEMENTS]. Include strategies for effective memorization, analysis of visual works, and essay writing techniques. Emphasize the importance of [PRIMARY SOURCES] and [CONTEXTUAL ANALYSIS], and suggest resources like textbooks, online databases, and museum visits. Tailor the advice for [STUDENT LEVEL] (e.g., undergraduate, graduate) and highlight common pitfalls to avoid. Ensure the response is clear, engaging, and academically rigorous.