Navigation Links
Study update: Cancer information on Wikipedia is accurate, but not very readable
Date:9/15/2011

PHILADELPHIA--It is a commonly held that information on Wikipedia should not be trusted, since it is written and edited by non-experts without professional oversight. But researchers from the Kimmel Cancer Center at Jefferson have found differently, according to a study published online Sept. 15 in the Journal of Oncology Practice.

Reassuringly, they found that cancer information found on a wiki was actually similar in accuracy and depth to the information on a peer-reviewed, patient-oriented cancer web site. There is one caveat, however: they found that the information on the peer-reviewed site was written in plainer English.

Data from this study was presented at the 2010 ASCO Annual Meeting in Chicago, but the full study, with some new details, was published online Sept. 15.

New data revealed that Wikipedia ranks higher in search engine results and updates faster. It also shed light on those hyperlinks embedded into content: Wikipedia takes you to more dense information, the researchers found, whereas a peer-reviewed site offer up a simplified, shorter explanations.

For the study, researchers led by Yaacov Lawrence M.D., adjunct assistant professor of Radiation Oncology at Jefferson Medical College of Thomas Jefferson University, and currently Director of the Center for Translational Research in Radiation Oncology at the Sheba Medical Center in Israel, compared the cancer information found on Wikipedia with the information found on the patient-oriented section of the National Cancer Institute's Physician Data Query (PDQ), a comprehensive peer-reviewed cancer database.

"There are a vast number of web sites where patients can obtain cancer information," Dr. Lawrence said. "The purpose of this study was to answer one question: Is the cancer information on Wikipedia correct? Reassuringly, we found that errors were extremely rare on Wikipedia. But the way information was presented on PDQ is more patient-friendly."

Dr. Lawrence and his colleague Malolan Rajagopalan, M.D.,from the University of Pittsburgh, started by choosing ten cancer types and selecting key factual statements for each cancer from standard oncology textbooks. The material covered epidemiology, etiology, symptoms, diagnosis, treatment and controversial topics in cancer care.

Medical student volunteers examined the PDQ and Wikipedia articles against the prepared statements. The web pages were printed out to ensure that each individual looked at the same version of the articles. Standard algorithms were used to calculate readability based upon word and sentence length.

For both web sites, inaccuracies were extremely rare: less than two percent of the information on either site was discordant with that presented in the textbooks. There was no difference between the sites in depth of coverage. Both sites poorly discussed controversial aspects of cancer care.

For example, they both scored poorly for coverage of options for prostate cancer, including watchful waiting versus radiation treatments. "The issues were not really dealt with in depth," said Dr. Lawrence.

But the PDQ site was notably more readable: whereas PDQ was written at a level suitable for a 9th grader, Wikipedia was written at a level suitable for a college student. This difference was highly statistically significant.

Researchers also found that Wikipedia ranked among the first 10 results for most search engines, including Google, for various medical terms and diseases tested, surpassing professionally maintained, government Web sites.

The research revealed that Wikipedia updates faster than PDQ; however, the hyperlinks embedded within Wikipedia take the user to more dense information. PDQ takes you to more simplified explanations on the content a user clicks on for more information.

"PDQ's readability is doubtless due to the site's professional editing, whereas Wikipedia's lack of readability may reflect its varied origins and haphazard editing," Dr. Lawrence said. "Overall our results are reassuring: on the one hand Wikipedia appears to be extremely accurate, on the other, the resources invested in the creation and upkeep of the PDQ are clearly justified.

"The sites appear to be complementary but I recommend to my patients that they start with PDQ where they are less likely to get lost in jargon and hyperlinks."

The next step is to repeat the study with cancer patients to truly determine how this difference in readability impacts upon patients' understanding and retention of information, Dr. Lawrence said.


'/>"/>

Contact: Steve Graff
stephen.graff@jefferson.edu
215-955-5291
Thomas Jefferson University
Source:Eurekalert

Related medicine news :

1. Wikipedia Accurate on Cancer Facts, But Hard to Read: Study
2. Study finds protein critical to breast cancer cell proliferation, migration
3. Cleveland Clinic researchers awarded NIH grant to study concussion-identifying blood test
4. Breast Cancer Rates Jump Worldwide, Study Finds
5. Not Enough Kids Drink Low-Fat Milk, U.S. Study Finds
6. ADHD Doubles a Childs Risk of Injury: Study
7. Shorter treatment with hepatitis C drug combination may be more beneficial, study shows
8. Study to examine direct-to-consumer drug ads on TV
9. Drinking Patterns Affect Heart Health, Mouse Study Finds
10. Quitting Smoking May Improve Personality, Study Suggests
11. More Mammograms Equal More Mastectomies: Study
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:2/14/2016)... ... February 14, 2016 , ... Many eating ... professionals near their residence. The nature of the illnesses requires ongoing supervision, therapy ... time allotted at work to make traditional appointments. These people struggle to maintain ...
(Date:2/13/2016)... ... February 13, 2016 , ... Good news for retinal patients ... area to offer AngioPlex™ Optical Coherence Tomography (OCT) Angiography, imaging technology used to ... diabetic retinopathy, and other vascular conditions. , In just a few seconds, OCT ...
(Date:2/13/2016)... Angeles, California (PRWEB) , ... February 13, 2016 , ... ... help landing a date for the big day. A great outfit, flawless hair, and ... ashtray, they might as well resign themselves to a night at home with Rover. ...
(Date:2/13/2016)... ... ... individuals looking to lead a healthy lifestyle have decreased carbohydrate consumption and increased their ... delved into this niche allowing those giving up their beloved pasta a chance to ... of protein and only 7 grams of carbohydrates per 50 gram serving--a ratio that ...
(Date:2/13/2016)... FL (PRWEB) , ... February 13, 2016 , ... The ... environmental impact of American businesses. , The increasingly modern world of instantaneous consumption ... often on non-renewable energy sources such as oil and coal, which pollutes our air, ...
Breaking Medicine News(10 mins):
(Date:2/12/2016)... 2016  Aralez Pharmaceuticals Inc. (Nasdaq: ARLZ ) ... will ring the Nasdaq Closing Bell at the Nasdaq ... at 4:00 p.m. ET on Tuesday, February 16, ... Adrian Adams , will perform the honorary bell ... p.m. ET.  A live webcast will be available at: ...
(Date:2/12/2016)... , Maharashtra, February 12, 2016 ... research report titled Chronic Inflammation Global Clinical Trials ... snapshot of the global clinical trials landscape along ... trials by Region, Country (G7 & E7), Trial ... status and reviews top companies involved and enlists ...
(Date:2/11/2016)... Laboratory glassware and plasticware include ... may range from microscope slides to large storage boxes ... borosilicate glass because of its low weight and resistance ... started gaining popularity over the past decade when it ... with plastic in several applications due to its resistance ...
Breaking Medicine Technology: