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FAQs

What is Hooked on Evidence?
What articles are eligible for Hooked on Evidence?
What types of study designs are included in Hooked on Evidence?
How can I contribute an extraction of an article to Hooked on Evidence?
How are extractions approved?
What can I do if I find an error in an extraction of an article?
What measures of treatment effectiveness are displayed by Hooked on Evidence?
What are the formulas used by Hooked on Evidence to calculate measures of treatment effectiveness?
How can an APTA member earn continuing education units by contributing to Hooked on Evidence?
What is Hooked on Evidence?
Hooked on Evidence is APTA's "grassroots" effort to develop a database containing current research evidence on the effectiveness of physical therapy interventions. The Hooked on Evidence project was motivated by a concern that clinicians lacked access to the knowledge available from current research, thus hindering evidence-based practice.
 
 
What articles are eligible for Hooked on Evidence?
All studies of the effectiveness of physical therapy that meet the following criteria are eligible for inclusion in the database: 1) includes human subjects with the target condition, 2) includes at least one physical therapy intervention, 3) includes an outcome of the intervention, and 4) published in English in a peer-reviewed journal that is indexed.
 
 
What types of study designs are included in Hooked on Evidence?
Hooked on Evidence does not restrict itself to the inclusion of randomized controlled trials. Hooked on Evidence includes clinical trials, cohort studies, case-control studies, case reports, single-subject experimental designs and cross-sectional studies. For definitions of the studies used in Hooked on Evidence please click here.
 
 
How can I contribute an extraction of an article to Hooked on Evidence?
To contribute an extraction of an article one must be a member of a group. Groups can range in size from 1 person to more than 100 and may consist of coworkers, a course, a Chapter, a Section, or individuals with a similar interest. Groups can investigate a sign up to investigate the literature related to a specific condition, intervention and outcome or groups can be more general and enter articles from a variety of topics. You can start your own group by signing up as a group leader and activating the group from the Create My Group section of the website or you may contact APTA's Research Services Department to join an existing group.
 
 
How are extractions approved?
Each submitted extraction is checked by the staff of APTA's Research Services Department for completeness and is proofread. The submission is also checked to ensure that it does not already appear in the database.
 
 
What can I do if I find an error in an extraction of an article?
Please send an email to hookedonevidence@apta.org
 
 
What measures of treatment effectiveness are displayed by Hooked on Evidence?
The measures of treatment effectiveness displayed by Hooked on Evidence depend if the outcome is continuous or dichotomous. The measures are calculated by Hooked on Evidence using available data from the original article. Measures of treatment effect size for continuous outcomes are the Absolute Mean Difference and the Standardized Mean Difference. Measures of treatment effect size for dichotomous outcomes are the Odds Ratio, Risk Ratio, and the Number Needed to Treat. For definitions of these measures of treatment effectiveness please click here.
 
 
How can an APTA member earn continuing education units by contributing to Hooked on Evidence?
APTA members who complete an extraction of an article for Hooked on Evidence can now earn .2 CEUs for each published extraction of an article. For eligibility to earn CEUs the participant must:
  • Be an APTA member.
  • Locate a peer-reviewed article on the effectiveness of a physical therapy intervention that is not currently in the database.
  • Satisfactorily complete an online submission of an extraction of the article, including any requested edits.
APTA members (with the exception of student members) will receive a certificate of completion 4-6 weeks after final acceptance of the entry. Only one person is eligible to receive the CEU certificate per published extraction and we are not eligible to award CEUs for those published before January 1, 2004.

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