This video begins with the use of the Chi-square test of independence, followed by some suggestions (Yate's continuity correction and Fisher's exact test) when there are expected counts less than 5 (in more than 20% of the total number of cells).
Link of research article by Kim (2017): https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5426219/pdf/rde-42-152.pdf
Data sets and handout (in pdf format) may be downloaded at:
https://drive.google.com/drive/folders/1rh5jBaWfldoA62eVyluxghZQ-jrUFdkJ
Video Chapters:
0:00 Intro
0:10 Overview of the chi-square test of independence
3:01 Example 1 (using chi-square test of independence)
6:43 Example 2 (using chi-square test of independence when combining rows and columns are needed)
10:43 Suggestions when cross tabulations have expected counts less than 5? (part 1)
24:26 Suggestions when 2x2 cross tabulations have expected counts less than 5? (part 2)
25:48 Using Fisher's exact test (in example 2)
27:19 Example 3 (using chi-square test with Yate's continuity correction and Fisher's exact test)
35:26 Recommendations