Table 5.

Significant Correlations to Step 2 CK Score

Category	Preparation or Resource	Correlation to Step 2 CK Score (Pearson)	n
Academic performance (Actual scores confirmed by an IRB approved honest broker)	USMLE Step 1 Score	.844**	51
	Pediatrics	.811**	44
	Surgery	.797**	41
	Internal medicine	.780**	45
	Ob-Gyn	.756**	41
	Psychiatry	.684**	42
	Comprehensive Clinical Skills Exam (first)	.784**	49
	Comprehensive Clinical Skills Exam (second)	.817**	46
Practice tests (Self-reported scores)	UWorld Self Assessment-1	.764**	34
	UWorld Self Assessment-2	.895**	32
	CCSSA 6	.460*	29
	CCSSA 7	.676**	29
	CCSSA 8	.642**	24
Prematriculation	MCAT Score	.374*	51
	Entry pathway	−.290*	51
Question bank	Average correct questions in question bank before Step 2 CK	.550**	48
	Percent of question bank completed before Step 2 CK	.290*	48
Resources	Step 2 Secrets	−.380*	31
	Online Medical Education	−.438**	43
	Master the Boards	−.367*	37
	First Aid for the USMLE Step 2 CK	−.335*	38

Abbreviations: CK, Clinical Knowledge; IRB, institutional review board; USMLE, United States Medical Licensing Examination; CCSA, Comprehensive Clinical Science Self-Assessment; MCAT, Medical College Admission Test.

^*Correlation is significant at the .05 level (2-tailed).

^**Correlation is significant at the .01 level (2-tailed). Negative correlations are shaded above.