I know it may seem like we use Explain Everything for a number of learning opportunities, but it truly provides audio, video, and annotating options for students to demonstrate what they know.
Impact On Students:
Critical Thinking: Students must not only write the solutions to problems found on the math problems, but must verbally express how the "step-by-step" process worked to find the answer. Thinking through these steps and providing detailed information will force students to "know their stuff".