Quizzes activate students and make micro lectures much more effective. Quizzes can be multiple choice, open text entry, true or false are great to activate students, e.g. with self-tests.
MINI (You can use this tip quickly and with little effort in your current teaching.)
Student assistants need ~ 15-30 minutes to create 1-2 self-tests from the idea to VIPS implementation.
An easy way to create VIPS is to take a sentence from the lecture and make it a cloze text.
If student assistants create the quizzes, they usually use only the lecture materials but sometimes also additional material (e.g. research papers or other websites) to verify the answers.
Brame, Cynthia J. (2016). Effective Educational Videos: Principles and Guidelines for Maximizing Student Learning from Video Content. CBE life sciences education, 15 (4). doi: 10.1187/cbe.16-03-0125.