Table 3. Four-factor solution of the CRAI-19 after principal components analysis^a, n=131.

	CRAI-19 Factorsb
	Factor 1c	Factor 2c	Factor 3c	Factor 4c
1. Choose an appropriate research design that will answer a set of research questions and/or test a set of hypotheses	.774b	.329	.268	.149
2. State the purpose, strengths and limitations of each study design	.760 b	.307	.317	.203
3. Determine an adequate number of subjects for your research project	.809 b	.346	.109	.083
4. Design the best data analysis strategy for your study	.880 b	.217	.201	.089
5. Evaluate the reliability and validity of a given measurement	.714 b	.313	.350	.259
6. Ensure data collection is reliable across trials, raters, or equipment	.707 b	.174	.311	.356
7. Avoid the violation of statistical assumptions	.816 b	.142	.352	.051
8. Prepare a research proposal suitable for submission in one’s research area	.373	.707 b	.290	.189
9. Locate appropriate forms for a grant application	.300	.667 b	.206	.328
10. Prepare a project budget for a grant application	.241	.654 b	.142	.430
11. Identify faculty collaborators from within and outside the discipline who can offer guidance to the project	.239	.776 b	.255	.118
12. Sustain effective collaborations	.207	.789 b	.318	.157
13. Terminate a collaboration that isn’t working	.206	.765 b	.164	.032
14. Write a literature review that critically synthesizes the literature relevant to your own research question	.251	.392	.746 b	.229
15. Write a methods section that conveys sufficient methodological detail to permit subsequent replication of your work by others	.411	.284	.758 b	.229
16. Write the results section of a research paper that clearly summarizes and describes the results, free of interpretative comments	.391	.225	.836 b	.132
17. Write a discussion section for a research paper that articulates the importance of your findings relative to other studies in the field	.338	.353	.805 b	.117
18. Apply the appropriate process for obtaining informed consent from research subjects	.175	.228	.164	.913 b
19. Write a human subjects consent form containing the appropriate elements	.179	.206	.187	.910 b

CRAI, Clinical Research Appraisal Inventory.

a. Cronbach’s alphas: CRAI-19, .960; Factor 1, writing, .955; Factor 2, Study design/data analysis, .907; Factor 3, Collaboration/grants, .948; Factor 4, Consent process, .953.

b. Denotes items included in computation of each subscale’s scores.

c. Percentage of variance explained: Factor 1=27.7%; Factor 2=22.1%; Factor 3=18.1%; Factor 4=12.9%; overall CRAI-19=80.9%.