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Comparing the Efficacy of Video Versus Live Delivery of an EMT Training Course in India
Peter C Acker, MD, MPH Aditya Mantha, MS Elizabeth Pirrotta, PHD Matthew Strehlow, MD Swaminatha V. Mahadevan, MD*
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Financial Disclosures
None
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EMS Development in India: 2005
GVK EMRI: 1 state 14 ambulances GVK EMRI began in 2005 -1 state and 14 ambulances
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Educational Collaboration: 2007
In 2007 GVK EMRI partnered with Stanford Since then Stanford has had the opportunity to provide technical expertise in the creation of educational materials, curriculum, and training pedagogy for GVK EMRI’s growing cohort of providers.
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EMS Development in India: 2015
GVK EMRI: 15 states 2 union territories 10,000 ambulances 20,000 EMTs Rapid growth, driven by recognition (by both public and gov’t) of the essential nature of quality prehospital care By 2015: 15 states + 2 union territories >10,000 ambulances and EMT’s
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Knowledge Dissemination
As new content was created, knowledge dissemination often occurred using a TOT model. Trainers from a number of states would gather, receive new knowledge from a content expert (often from the US). Updated trainers would then return to their home states and teach their EMT’s.
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Barriers to Knowledge Dissemination
Cost Geography Distribution logistics Regional teaching + practice variations This style has many challenges, particularly as the size and spread of the service increased.
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Barriers to Knowledge Dissemination
Overcoming Barriers Video-based lectures One potential means of overcoming these barrier would be use of video based lectures The hope being that video based lectures would increase the fidelity of the teaching material, and enhance the speed with which dissemination and updates could occur.
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Objective Compare the impact on knowledge of two EMT training presentation formats: Traditional live lectures Video-based lectures
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Methods Participants EMT’s attending two-day Basic EMT training course
-Convenience sample of EMT’s attending a two day EMT refresher training course in one of three states -Gujarat -Andhra Pradesh -Tamil Nadu
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Methods 30 MCQ Pre-Test Quasi-randomization
Video Lecture Presentations Live Lecture Presentations -All participants took a 30 MCQ pre-test -At each site, participants were quasi-randomized by alternate allocation to video-based lecture lectures or traditional live lectures group. -content focused on basic EMT skills and was identical for both groups. -Video-based lecture group was shown video’s of lecture content, pre-recorded by three Stanford faculty in English, with facilitation by local instructors in the preferred local language -Live Participant group viewed the same lecture slides, in English, but taught by local trainers in the preferred local language. -All participants took a 60-multiple choice question post-test. -Data was analyzed using analysis of variance (ANOVA). 60 MCQ Post-Test
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Demographics 191 Participants Video: 99 Live: 92 AP: 42 GJ: 47 TN: 102
Break down of participants AP=Andhra Pradesh GJ=Gujarat TN=Tamil Nadu LOE=length of employment No statistically significant differences between groups when comparing gender, age, or LOE Female: 29% Female: 23% p=0.158 Age: yrs Age: p=0.235 LOE: mo LOE: mo p=0.310
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Observations Pre-Test Results Video= 63.3 +/- 11.1%
Live= /- 11.5% p= 0.086 Video Live No statistically significant difference between pre-test scores when comparing exposure groups
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Observations Score Change Video= +9.4 +/- 8.4% p= < 0.001
Live= /- 9.8% p= < 0.001 Video Live Video When comparing each exposure group to itself, significant changes in score were noted between pre and post test Live
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Observations Score Change Video= +9.4 +/- 8.4% Live= +12.2 +/- 9.8%
p= < 0.013 Video Live Video When comparing score change between group, there was a statistically significant difference in score improvement favoring the live presentation method Live
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Observations Post-Test Results Video= 72.6 +/- 7.2%
Live= /- 7.0% p= 0.58 Video Live Video Live No statistically significant difference between post-test scores when comparing exposure groups
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Limitations Incomplete randomization
Regional variation in teaching format
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Conclusions Both methods demonstrated positive impact on immediate knowledge of EMTs Live > Video Both methods had a positive impact on scores with scores improving to a greater degree in the live groups
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Conclusions Video based EMT trainings may be an effective alternative to live trainings May offer others benefits not measured in this study Although live training may have had a larger impact on scores, both groups had a positive impact, and perhaps there may be other benefits of video based trainings, not measured in this study (time, cost, ease of dissemination, etc) that may make it an effective alternative
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Conclusions Identifying optimal teaching method will require further investigation into alternate factors influencing EMT training effectiveness in this context
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Thank You
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