Final answer:
False, showcasing a variety of mediums can illustrate versatility in your portfolio, and it should be well-organized, reflecting your best work.
Step-by-step explanation:
The statement 'You should only showcase one medium of artwork in a portfolio, to demonstrate your proficiency in the relevant programs.' is false. A portfolio should be a reflection of your abilities and skills, showcasing your proficiency across various mediums and programs can demonstrate your versatility and adaptability in the arts. It's essential for your portfolio to be well-organized and clean, reflecting the best of your work and creativity.
Whether digital or printed, the presentation of your portfolio can set you apart in your field. In creative fields, a portfolio rich in diversity of work can show a broad skill set, which may be more appealing to potential employers or academic programs. Remember to include exactly what is asked for and to maintain high quality in all submissions.