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. Author manuscript; available in PMC: 2010 Jul 15.
Published in final edited form as: Cancer. 2009 Jul 15;115(14):3283–3292. doi: 10.1002/cncr.24377

Table 3.

Clinical Trials Items, percent of interpreters who correctly identified each item as true or false

Clinical Trials Item (correct answer) Pretest Posttest P-values
1. Cancer clinical trials are only for those with the most advanced disease
(False)
89% 82% .22
2. Anyone with cancer is eligible to go on a cancer clinical trial (False) 56% 76% .01*
3. Phase I trials are the first time a treatment is used in people (True) 44% 78% .00*
4. The purpose of cancer clinical trials is to find better ways to prevent,
diagnose, and treat cancer (True)
93% 91% .65
5. Many people who join cancer treatment clinical trials get a placebo or
sugar pill (False)
49% 62% .11
6. Once a patient consents to trial and starts participating, they have to
remain in it until the end (False)
78% 97% .00*
7. Patients in clinical trials get better care than those who don't participate
(False)
93% 53% .00*
8. A trial will be stopped if the investigators or review board have concerns
for the participants' safety (True)
95% 100% .05*
9. All research for treatments begins with a Phase I clinical trial (False) 24% 51% .00*
10. Persons are never put into clinical trials without their knowledge (True) 96% 94% .57
Overall Score (all items) 72% 78% .39
Overall Score (exclude item 7) 65% 79% .06
*

Significant difference, p < .05