Why Higher Confidence and Smaller Margin of Error Require Larger Samples Updated: March 10, 2026Author: Arpita Goyal The Cost of Certainty in Statistics is a short comic that explains the relationship between confidence level, margin of error, and sample size. I chose this topic because these ideas are usually introduced through formulas in introductory statistics classes, but…

Accessibility in learning design is often misunderstood as a set of accommodations made for students with learning disabilities. Through this module, I came to understand accessibility instead as a proactive design approach that reduces barriers for everyone by creating multiple pathways for engagement, representation, and expression. Rather than locating disability within the learner, accessibility reframes the problem…

This module helped me understand that active learning is not just about adding group work or projects; it is about designing learning experiences that push students to actively engage with ideas, apply them, and reflect on their understanding. This became especially clear to me when I thought about a data sampling course I took, where…

Learning about theories of multimedia learning in this module has changed how I think about educational design. Before this, I mainly focused on tools like slides, videos, diagrams, or interactive platforms and assumed that using more media automatically led to better learning. Mayer’s Cognitive Theory of Multimedia Learning (CTML) challenged this assumption by showing that…

Current Coordinates My experience with multimedia and interactive learning comes primarily from my roles as a student and a tutor. Through tutoring young children, I worked with pre-designed curriculum that included videos, worksheets, and structured learning materials. While I did not design instructional resources from scratch, I regularly adapted existing materials to meet individual learners’…