TABLE 2.

Summary of pre/post knowledge change

Test	Mean pretest score	Mean posttest score	% Gain	Effect size (Cohen’s d)
Sequencing and ethics (maximum = 5)	1.81	3.31	82.87	1.21
Bioinformatics (maximum = 5)	1.06	2.78	162.26	1.73
Test totals (maximum = 10)	2.88	6.09	111.46	1.72