Khan Academy
Khan Academy: Picking Fairly
Sal determines if a few different methods of a magician choosing a volunteer are fair.
Khan Academy
Khan Academy: Example of Undercoverage Introducing Bias
Example of undercoverage introducing bias.
Khan Academy
Khan Academy: Worked Example Identifying Sample Study
Worked example identifying sample study.
Sophia Learning
Sophia: Evaluating Within Group Designs: Lesson 5
In this lesson, students will learn how to assess the validity of a within group design. It is 5 of 6 in the series titled "Evaluating Within Group Designs."
Sophia Learning
Sophia: Experimental Design: Lesson 3
This lesson will explain the three principles of experimental design. It is 3 of 4 in the series titled "Experimental Design."
Sophia Learning
Sophia: Within Group Design Challenges
In this lesson, students will learn about advantages and disadvantages to within group experimental designs.