TABLE 5.

Pre-/post-content test scores.

Test Subcategory	d̄	1-sample t-test p value Pre-Test vs. Post-Test	2-sample t-test p value Male vs. Female	2-sample t-test p value White vs. Non-White	2-sample t-test p value Well-Represented vs. Underrepresented
Full Test	7.17	<1.0×10−12*	0.030*	0.589	0.156
Cell Culture	2.02	<1.0×10−12*	0.266	0.146	0.682
Microscopy	4.38	<1.0×10−12*	0.089	0.789	0.086
Content	1.71	<1.0×10−12*	0.867	0.042*	0.991
Lab Tools	0.78	<1.0×10−12*	0.119	0.462	0.229
Technique	2.79	<1.0×10−12*	0.426	0.922	0.273
Application	1.90	<1.0×10−12*	0.015*	0.629	0.474

Comparison by Gender (male vs. female), Race/Ethnicity (white [non-Hispanic] vs. non-white and/or Hispanic) and Representation in STEM (well-represented [non-Hispanic, white, or Asian] vs. Underrepresented [African-American/Black and/or Hispanic/Latinx and/or American Indian and/or Alaskan Native]).

^*p < 0.05